USC.edu

Ralf Haiges

Adjunct Professor (Research) of Chemistry
Email haiges@usc.edu Office LHI 106 Office Phone (213) 740-3197

Research & Practice Areas

Polynitrogen, Energetic Materials, Fluorine Chemistry, Superacid Chemistry, Crystallography, Inorganic Chemistry, HEDM, high oxidation states, NMR spectroscopy

Education

  • Ph.D. Inorganic Chemistry, Bergische University of Wuppertal, 10/2000
  • M.S. Chemistry, Bergische University of Wuppertal, 8/1997
  • B.S. Chemistry, Bergische University of Wuppertal, 8/1994

  • PostDoctoral Appointments

    • Postdoctoral Fellow, Bergische University of Wuppertal, 2000-2001

  • Summary Statement of Research Interests

    My specific interests can broadly be broken down into three main areas: Energy-related Materials, Fluorine Chemistry and Crystallography.
    I am very interested in the synthesis of environmentally benign and non-toxic energetic materials for storage and controlled release of energy. Green Energetic Materials are energetic materials that are virtually free of environmental hazards and toxicity issues during the course of their production, storage, use, and disposal.
    In Fluorine Chemistry, we are interested in the preparation, stabilization and characterization of highly reactive species and intermediates. We prepare compounds with elements at their limits of oxidation and coordination. This research also involves superacid chemistry.
    As crystallographer, I am interested in the structural aspect of materials. I am also looking for structure-reactivity and structure-property correlations of materials.
    I am are also very interested in X-ray crystallography, NMR spectroscopy, vibrational spectroscopy, and quantum mechanical calculations.

    Research Keywords

    Inorganic Chemistry, Superacid Chemistry, Fluorine Chemistry, Energetic Materials, HEDM, Energy Storage, Polynitrogen, Polyazides, Crystallography

  • Book Chapters

    • Haiges, R. (2013). Preparation of Transition Metal Fluorides using ClF3. pp. 10 pages. John Wiley & Sons.

    Journal Article

    • Christe, K. O., Haiges, R., Rahm, M., Dixon, D. A., Vasiliu, M. (2017). Misconceptions on fluoronium ions and hypervalent fluorine cations. Journal of Fluorine Chemistry.
    • Belanger-Chabot, G., Kaplan, S. M., Deokar, P., Szimhardt, N., Haiges, R., Christe, K. O. (2017). Synthesis and Characterization of Nitro-, Trinitromethyl-, and Fluorodinitromethyl-Substituted Triazolyl- and Tetrazolyltrihydridoborate Anions. Chemistry – A European Journal. Vol. 23 (53), pp. 13087.
    • Saal, T., Rahm, M., Christe, K. O., Haiges, R. (2017). Protonation of Nitramines: Where Does the Proton Go?. Angewandte Chemie-International Edition. Vol. 56 (32), pp. 9587-9591.
    • Haiges, R., Vasiliu, M., Dixon, D. A., Christe, K. O. (2017). The Uranium(VI) Oxoazides [UO2(N-3)(2)center dot CH3CN], [(bipy)(2)(UO2)(2)(N-3)(4)], [(bipy)UO2(N-3)(3)](-), [UO2(N-3)(4)](2-), and [(UO2)(2)(N-3)(8)](4-). Chemistry-a European Journal. Vol. 23 (3), pp. 652-664.
    • Haiges, R., Deokar, P., Vasiliu, M., Stein, T. H., Dixon, D. A., Christe, K. O. (2017). Preparation and Characterization of Group 13 Cyanides. Chemistry-a European Journal. Vol. 23 (38), pp. 9054-9066.
    • Downes, C. A., Yoo, J. W., Orchanian, N. M., Haiges, R., Marinescu, S. C. (2017). H-2 evolution by a cobalt selenolate electrocatalyst and related mechanistic studies. Chemical Communications. Vol. 53 (53), pp. 7306-7309.
    • Christe, K. O., Haiges, R., Vasiliu, M., Dixon, D. A. (2017). Formation Mechanism of NF4+ Salts and Extraordinary Enhancement of the Oxidizing Power of Fluorine by Strong Lewis Acids. Angewandte Chemie-International Edition. Vol. 56 (27), pp. 7924-7929.
    • Chapovetsky, A., Haiges, R., Marinescu, S. C. (2017). Synthesis and characterization of a tetranickel complex supported by a dithiolate framework with pendant ether moieties. Polyhedron. Vol. 123, pp. 9-13.
    • Belanger-Chabot, G., Rahm, M., Haiges, R., Christe, K. O. (2017). Dinitramidoborates: A Fascinating Case of Competing Oxygen and Nitrogen Donors and Tautomerism. Angewandte Chemie-International Edition. Vol. 56 (36), pp. 10881-10885.
    • Baxter, A. F., Christe, K. O., Haiges, R. (2017). The crystal structure of carbamoyl fluoride, NH2COF. Structural Chemistry. Vol. 28 (2), pp. 303-307.
    • Deokar, P., Vasiliu, M., Dixon, D. A., Christe, K. O., Haiges, R. (2016). The Binary Group 4 Azides [PPh4]2[Zr(N3)6] and [PPh4]2[Hf(N3)6]. Angewandte Chemie International Edition. Vol. 55 (46), pp. 14348.
    • Rodriguez, E. E., Cao, H., Haiges, R., Melot, B. C. (2016). Single crystal magnetic structure and susceptibility of CoSe2O5. Journal of Solid State Chemistry. Vol. 236, pp. 39-44.
    • Surya Prakash, G. K., Wang, F., Zhang, Z., Haiges, R., Rahm, M., Christe, K. O., Mathew, T., Olah, G. A., Becker, S., Müller, P. (2016). The Trifluoromethyl Anion. Angewandte Chemie International Edition. Vol. accepted
    • Korovina, N. V., Das, S., Nett, Z., Feng, X., Joy, J., Haiges, R., Krylov, A. I., Bradforth, S. E., Thompson, M. E. (2016). Singlet Fission in a Covalently Linked Cofacial Alkynyltetracene Dimer. Journal of the American Chemical Society. Vol. 138 (2), pp. 617-627.
    • Haiges, R., Vasiliu, M., Dixon, D. A., Christe, K. O. (2016). The niobium oxoazides [NbO(N-3)(3)], [NbO(N-3)(3)center dot 2CH(3)CN], [(bipy)NbO(N-3)(3)], Cs-2[NbO(N-3)(5)] and [PPh4](2)[NbO(N-3)(5)]. Dalton Transactions. Vol. 45 (26), pp. 10523-10529.
    • Haiges, R., Baxter, A. F., Goetz, N. R., Axhausen, J. A., Soltner, T., Kornath, A., Christe, K. O. (2016). Protonation of nitriles: isolation and characterization of alkyl- and arylnitrilium ions. Dalton Transactions. Vol. 45 (20), pp. 8494-8499.
    • Diev, V. V., Femia, D., Zhong, Q., Djurovich, P. I., Haiges, R., Thompson, M. E. (2016). A quinoidal bis-phenalenyl-fused porphyrin with supramolecular organization and broad near-infrared absorption. Chemical Communications. Vol. 52 (9), pp. 1949-1952.
    • Deokar, P., Leitz, D., Stein, T. H., Vasiliu, M., Dixon, D. A., Christe, K. O., Haiges, R. (2016). Preparation and Characterization of Antimony and Arsenic Tricyanide and Their 2,2′-Bipyridine Adducts. Chemistry – A European Journal. Vol. 22 (37), pp. 13251-13257.
    • Chapovetsky, A., Do, T. H., Haiges, R., Takase, M. K., Marinescu, S. C. (2016). Proton-Assisted Reduction of CO2 by Cobalt Aminopyridine Macrocycles. Journal of the American Chemical Society. Vol. 138 (18), pp. 5765-5768.
    • Baxter, A. F., Christe, K. O., Haiges, R. (2015). Convenient Access to a-Fluorinated Alkylammonium Salts. Angewandte Chemie International Edition. Vol. 54 (48), pp. 14535-14538. DOI: 10.1002/anie.201507177R1
    • B.-Chabot, G., Rahm, M., Haiges, R., Christe, K. O. (2015). Ammonia–(Dinitramido)boranes: High-Energy-Density Materials. Angewandte Chemie International Edition. Vol. 54, pp. 11730. DOI: 10.1002/anie.201505684
    • Haiges, R., Skotnitzki, J., Fang, Z., Dixon, D. A., Christe, K. O. (2015). The First Molybdenum(VI) and Tungsten(VI) Oxoazides MO2(N3)2, MO2(N3)2·2 CH3CN, (bipy)MO2(N3)2, and [MO2(N3)4]2?? (M = Mo, W). Angewandte Chemie International Edition. Vol. 54, pp. 9581. DOI: 10.1002/anie.201504629
    • Haiges, R., Vasiliu, M., Dixon, D. A., Christe, K. O. (2015). The Vanadium(V) Oxoazides [VO(N3)3], [(bipy)VO(N3)3], and [VO(N3)5]2??. Angewandte Chemie International Edition. Vol. 54, pp. 9101. DOI: 10.1002/anie.201503985
    • Prakash, G., Papp, A., Munoz, S. B., May, N., Jones, J., Haiges, R., Esteves, P. M., Mathew, T. (2015). Lewis Acid Catalyzed Condensation–Cyclization Cascade: Direct Synthesis of Di/Trifluoromethyl-1,2,3,4-tetrahydroquinazolines. Chemistry – A European Journal. Vol. 21, pp. 10170. http ://dx.doi.org/10.1002/chem.201500744
    • Christe, K. O., Dixon, D. A., Vasiliu, M., Wagner, R. I., Haiges, R., Boatz, J. A., Ammon, H. L. (2015). Are DTTO and iso-DTTO Worthwhile Targets for Synthesis?. Propellants, Explosives, Pyrotechnics. Vol. 40, pp. 463. DOI: 10.1002/prep.201400259
    • Kothandaraman, J., Czaun, M., Goeppert, A., Haiges, R., Jones, J., May, R. B., Prakash, G., Olah, G. A. (2015). Amine-Free Reversible Hydrogen Storage in Formate Salts Catalyzed by Ruthenium Pincer Complex without pH Control or Solvent Change. ChemSusChem. Vol. 8, pp. 1442. http ://dx.doi.org/10.1002/cssc.201403458.
    • Haiges, R., Christe, K. O. (2015). Cover Page: Energetic high-nitrogen compounds: preparation and characterization of 5-(fluorodinitromethyl)-2H-tetrazole and –tetrazolates. Dalton Transactions. DOI: 10.1039/C5DT00291E
    • Haiges, R., Bélanger-Chabot, G., Kaplan, S. M., Christe, K. O. (2015). Preparation and characterization of 3,5-dinitro-1H-1,2,4-triazole. Dalton Transactions. Dalton Transactions, 2015, DOI: 10.1039/C5DT00888C
    • Haiges, R., Belanger-Chabot, G., Kaplan, M., Christe, K. O. (2015). Synthesis and structural characterization of several salts of 3,5-dinitro-1H-1,2,4-triazole. Dalton Transactions. Vol. 44, pp. 2978-2988. Dalton Transactions, 2015, DOI: 10.1039/C4DT03583F
    • Wilson, W. W., Clough, A. J., Haiges, R., Rahm, M., Christe, K. O. (2015). Syntheses of Diphenylaminodiazidophosphane and Diphenylaminofluoroazidophosphane. Inorganic Chemistry. Vol. 54 (24), pp. 11859-11867.
    • Haiges, R., Skotnitzki, J., Fang, Z., Dixon, D. A., Christe, K. O. (2015). The Molybdenum(V) and Tungsten(VI) Oxoazides [MoO(N-3)(3)], [MoO(N-3)(3)center dot 2CH(3)CN], [(bipy) MoO(N-3)(3)], [MoO(N-3)(5)](2-), [WO(N-3)(4)], and [WO(N-3)(4)center dot CH3CN]. Angewandte Chemie-International Edition. Vol. 54 (51), pp. 15550-15555.
    • Christe, K. O., Wilson, W. W., Belanger-Chabot, G., Haiges, R., Boatz, J. A., Rahm, M., Prakash, G. K., Saal, T., Hopfinger, M. (2015). Synthesis and Characterization of Fluorodinitroamine, FN(NO2)(2). Angewandte Chemie-International Edition. Vol. 54 (4), pp. 1316-1320.
    • Belanger-Chabot, G., Rahm, M., Haiges, R., Christe, K. O. (2015). Ammonia-(Dinitramido)boranes: High-Energy-Density Materials. Angewandte Chemie-International Edition. Vol. 54 (40), pp. 11730-11734.
    • Christe, K. O., Haiges, R., Wilson, W. W., Belanger-Chabot, G., Boatz, J. A., Rahm, M., Prakash, G., Saal, T., Hopfinger, M. (2014). Synthesis and Characterization of Fluorodinitroamine, FN(NO2)2. Angewandte Chemie International Edition. Vol. 54, pp. 1316. DOI: 10.1002/anie.201410507
    • Prakash, S., Wang, F., Zhang, Z., Haiges, R., Rahm, M., Mathew, T., Christe, K., Olah, G. (2014). Cover page: The Long-Lived Trifluoromethide Anion: A Key Intermediate in Nucleophilic Trifluoromethylations. Angewandte Chemie International Edition. DOI: 10.1002/anie.201406505
    • Haiges, R., Buszek, R. J., Boatz, J. A., Christe, K. O. (2014). Preparation of the first Manganese(III) and Manganese(IV) Azides Mn(N3)3·CH3CN, (bipy)Mn(N3)4, and [Mn(N3)6]2-, as well as Mn(N3)2, [Mn(N3)4]2-, and (bipy)2Mn(N3)2. Angewandte Chemie International Edition.
    • Yu, T., Liu, Y., Haiges, R., Christe, K. O., Lai, W., Wu, B. (2014). 4-Oxo- or 1-Oxo-N7O+? A Computational and Experimental Study. RSC Advances. Vol. 4 (54), pp. 28377. DOI 10.1039/C4RA02140A
    • Haiges, R., Deokar, P., Christe, K. (2014). Structures of Tantalum(V)- and Niobium(V) fluoride Complexes with Neutral Group 15 Donor Ligands. Zeitschift fur Anorganische und Allgemeine Chemie.
    • Krylova, V., Djurovich, P., Conley, B., Haiges, R., Matthew, W., Williams, T., Thompson, M. (2014). Control of emission colour with N-heterocyclic carbene (NHC) ligands in phosphorescent three-coordinate Cu(I) complexes. Chem, Commun.. Vol. 50 (54), pp. 7176-7179.
    • Rahm, M., Belanger-Chabot, G., Haiges, R., Christe, K. (2014). Back cover: Nitryl Cyanide, NCNO2. Angewandte Chemie International Edition.
    • Haiges, R., Deokar, P., Christe, K. (2014). Coordination Adducts of Niobium(V) and Tantalum(V) azide M(N3)5 (M = Nb, Ta) with Neutral Donor Ligands and their Self-Ionization. Angewandte Chemie.
    • Czaun, M., Goeppert, A., Kothandaraman, J., May, R., Haiges, R., Prakash, G., Olah, G. (2014). Formic acid as a hydrogen storage medium: Ruthenium-catalyzed generation of hydrogen from formic acid in emulsions. ACS Catalysis. Vol. 4 (1), pp. 311-320. DOI
    • Liu, Y., Djurovich, P. I., Haiges, R., Thompson, M. E. (2014). Synthesis and photophysical characterization of a bis-pincer osmium complex. Polyhedron. Vol. 84 (0), pp. 136-143.
    • Prakash, S., Zhang, Z., Wang, F., Rahm, M., Ni, C., Iuliucci, M., Haiges, R., Olah, G. (2013). Stereoselective Synthesis of Fluoroalkenoates and Fluorinated Isoxazolidinones: N-Substituents Governing the Dual Reactivity of Nitrones. Chemistry – A European Journal. DOI
    • Prakash, G., Krishnamoorthy, S., Ganesh, S., Kulkarni, A., Haiges, R., Olah, G. (2013). N-Difluoromethylation of Imidazoles and Benzimidazoles Using Ruppert-Prakash Reagent under Neutral Conditions. Organic Letters.
    • Bélanger-Chabot, G., Rahm, M., Haiges, R., Christe, K. O. (2013). [BH3C(NO2)3]-: The First Room-Temperature Stable (Trinitromethyl)borate. Angewandte Chemie International Edition/WILEY-VCH Verlag. Vol. 52 (42), pp. 11002-11006.
    • Nikolaev, V. A., Supurgibekov, M. B., Haiges, R., Linden, A., Prakash, G. S. (2013). Thermolysis of trifluoromethyl-containing vinyldiazocarbonyl compounds and X-ray crystal structure analysis of unexpected reaction products. Journal of Fluorine Chemistry. Vol. 156, pp. 322. DOI
    • Prakash, G. S., Ni, C., Fang, W., Zhe, Z., Haiges, R., Olah, G. A. (2013). Difluoro(sulfinato)methylation of N-Sulfinyl Imines Facilitated by 2-Pyridyl Sulfone: Stereoselective Synthesis of Difluorinated ß-Amino Sulfonic Acids and Peptidosulfonamides. Angewandte Chemie International Edition.
    • Haiges, R., Christe, K. O. (2013). Energetic High-Nitrogen Compounds. 5-(Trinitromethyl)-2H-tetrazole and –tetrazolates: Preparation, Characterization and Conversion into 5-(Dinitromethyl)tetrazoles. Inorganic Chemistry. Vol. 52 (12), pp. 7249–7260. DOI
    • Haiges, R., Jones, C. B., Christe, K. O. (2013). Energetic Bis(3,5-dinitro-1H-1,2,4-triazolyl)dihydro- and dichloroborates and Bis(5-nitro-2H-tetrazolyl)-, Bis(5-(trinitromethyl)-2H-tetrazolyl)-, and Bis(5-(fluorodinitromethyl)-2H-tetrazolyl)dihydroborate. Inorganic Chemistry/American Chemical Society. Vol. 52 (9), pp. 5551-5558. DOI
    • Haiges, R., Rahm, M., Christe, K. O. (2013). Unprecedented Conformational Variability in Main Group Inorganic Chemistry: the Tetraazidoarsenite and -Antimonite Salts A(+)[M(N-3)(4)](-) (A = NMe4, PPh4, (Ph3P)(2)N; M = As, Sb), Five Similar Salts, Five Different Anion Structures. Inorganic Chemistry. Vol. 52 (1), pp. 402-414.
    • Prakash, G. K., Gurung, L., Jog, P. V., Tanaka, S., Thomas, T. E., Ganesh, N., Haiges, R., Mathew, T., Olah, G. A. (2013). Direct Synthesis of Diverse a-Fluoroethylamines by a Multicomponent Protocol. Chemistry ??? A European Journal/WILEY-VCH Verlag. Vol. 19 (11), pp. 3579-3583.
    • Taylor, H. S., Haiges, R., Kershaw, A. (2013). Increasing Sensitivity in Determining Chemical Shifts in One Dimensional Lorentzian NMR Spectra. The Journal of Physical Chemistry A/American Chemical Society. Vol. 117 (16), pp. 3319-3331.
    • Nieboer, J., Haiges, R., Hillary, W., Yu, X., Richardet, T., Mercier, H. P., Gerken, M. (2012). Fluoride-Ion Acceptor Properties of WSF4: Synthesis, Characterization, and Computational Study of the WSF5- and W2S2F9- Anions and 19F NMR Spectroscopic Characterization of the W2OSF9- Anion. Inorganic Chemistry/American Chemical Society. Vol. 51 (11), pp. 6350-6359.
    • Prakash, G. K., Shao, N., Zhang, Z., Ni, C., Wang, F., Haiges, R., Olah, G. A. (2012). Facile synthesis of monofluoromethyl alcohols: Nucleophilic monofluoromethylation of aldehydes using TMSCF(SO2Ph)2. Journal of Fluorine Chemistry. Vol. 133 (0), pp. 27-32.
    • Krylov, I. S., Zakharova, V. M., Serpi, M., Haiges, R., Kashemirov, B. A., McKenna, C. E. (2012). Structure of Cyclic Nucleoside Phosphonate Ester Prodrugs: An Inquiry. Journal of Organic Chemistry/American Chemical Society. Vol. 77 (1), pp. 684-689.
    • Haiges, R., Rahm, M., Dixon, D. A., Garner, E. B., Christe, K. O. (2012). Binary Group 15 Polyazides. Structural Characterization of [Bi(N3)4]-, [Bi(N3)5]2-, [bipy*Bi(N3)5]2-, [Bi(N3)6]3-, bipy*As(N3)3, bipy*Sb(N3)3, and [(bipy)2*Bi(N3)3]2 and on the Lone Pair Activation of Valence Electrons. Inorganic Chemistry/American Chemical Society. Vol. 51 (2), pp. 1127-1141.
    • Prakash, G. K., Wang, F., Zhang, Z., Ni, C., Haiges, R., Olah, G. A. (2012). Enantioselective Synthesis of ??-Stereogenic ??-Keto Esters via Formal Umpolung. Organic Letters/American Chemical Society. Vol. 14 (13), pp. 3260-3263.
    • Krylova, V. A., Djurovich, P. I., Aronson, J. W., Haiges, R., Whited, M. T., Thompson, M. E. (2012). Structural and Photophysical Studies of Phosphorescent Three-Coordinate Copper(I) Complexes Supported by an N-Heterocyclic Carbene Ligand. Organometallics. Vol. 31 (22), pp. 7983-7993.
    • Wang, S., Hall, L., Diev, V., Haiges, R., Wei, G., Xiao, X., Djurovich, P., Forrester, S., Thompson, M. (2011). N,N-Diarylanilinosquaraines and their application to organic photovoltaics. Chemistry of Materials. Vol. 23, pp. 4789-4798.
    • Haiges, R., Boatz, J. A., Williams, J. M., Christe, K. O. (2011). Frontispiece: Preparation and Characterization of the Binary Group 13 Azides M(N3)3 and M(N3)3*CH3CN (M=Ga, In, Tl), [Ga(N3)5]2-, and [M(N3)6]3- (M=In, Tl). Angewandte Chemie International Edition/WILEY-VCH Verlag. Vol. 50 (38), pp. 8828-8833.
    • Christe, K. O., Haiges, R., Boatz, J. A., Brooke Jenkins, H. D., Garner, E. B., Dixon, D. A. (2011). Why Are [P(C6H5)4]+N3- and [As(C6H5)4]+N3- Ionic Salts and Sb(C6H5)4N3 and Bi(C6H5)4N3 Covalent Solids? A Theoretical Study Provides an Unexpected Answer. Inorganic Chemistry/American Chemical Society. Vol. 50 (8), pp. 3752-3756.
    • Christe, K. O., Dixon, D. A., Haiges, R., Hopfinger, M., Jackson, V. E., Klapoetke, T. M., Krumm, B., Scherr, M. (2011). Corrigendum to “Selenium(IV) fluoride and oxofluoride anions” [J. Fluorine Chem. 131 (2010) 791-799]. Journal of Fluorine Chemistry. Vol. 132 (5), pp. 373.
    • Prakash, G. K., Wang, F., Ni, C., Shen, J., Haiges, R., Yudin, A. K., Mathew, T., Olah, G. A. (2011). Conformational Study of 9-Dehydro-9-Trifluoromethyl Cinchona Alkaloids via 19F NMR Spectroscopy: Emergence of Trifluoromethyl Moiety as a Conformational Stabilizer and a Probe. Journal of the American Chemical Society/American Chemical Society. Vol. 133 (26), pp. 9992-9995.
    • Czaun, M., Goeppert, A., May, R., Haiges, R., Prakash, G. K., Olah, G. A. (2011). Hydrogen Generation from Formic Acid Decomposition by Ruthenium Carbonyl Complexes. Tetraruthenium Dodecacarbonyl Tetrahydride as an Active Intermediate. ChemSusChem/WILEY-VCH Verlag. Vol. 4 (9), pp. 1241-1248.
    • B??a??ewska, K. M., Ni, F., Haiges, R., Kashemirov, B. A., Coxon, F. P., Stewart, C. A., Baron, R., Rogers, M. J., Seabra, M. C., Ebetino, F. H., McKenna, C. E. (2011). Synthesis, stereochemistry and SAR of a series of minodronate analogues as RGGT inhibitors. European Journal of Medicinal Chemistry. Vol. 46 (10), pp. 4820-4826.
    • Haiges, R., Boatz, J. A., Christe, K. O. (2010). The Syntheses and Structure of the First Vanadium(IV) and Vanadium(V) Binary Azides, V(N3)4, [V(N3)6]2-, and [V(N3)6]-. Angewandte Chemie International Edition. Vol. 49 (43), pp. 8008-8012. http://onlinelibrary.wiley.com/doi/10.1002/anie.200906537/abstract
    • Christe, K. O., Dixon, D. A., Grant, D. J., Haiges, R., Tham, F. S., Vij, A., Vij, V., Wang, T. H., Wilson, W. W. (2010). Coverpage: Dinitrogen Difluoride Chemistry. Improved Syntheses of cis- and trans-N2F2, Synthesis and Characterization of N2F+Sn2F9-, Ordered Crystal Structure of N2F+Sb2F11-, High-Level Electronic Structure Calculations of cis-N2F2, trans-N2F2, F2N = N, and N2F+, and Mechanism of the trans-cis Isomerization of N2F2. Inorganic Chemistry. Vol. 49 (15), pp. 6823-6833.
    • Christe, K. O., Dixon, D. A., Haiges, R., Hopfinger, M., Jackson, V. E., Klap??tke, T. M., Krumm, B., Scherr, M. (2010). Selenium(IV) fluoride and oxofluoride anions. Journal of Fluorine Chemistry. Vol. 131 (7), pp. 791-799.
    • Christe, K. O., Haiges, R., Wilson, W. W., Boatz, J. A. (2010). Synthesis and Properties of N7O+. Inorganic Chemistry. Vol. 49 (3), pp. 1245-1251.
    • West, W. C., Shevade, A., Soler, J., Kulleck, J., Smart, M. C., Ratnakumar, B. V., Moran, M., Haiges, R., Christe, K. O., Prakash, G. K. (2010). Sulfuryl and Thionyl Halide-Based Ultralow Temperature Primary Batteries. Journal of the Electrochemical Society/ECS. Vol. 157 (5), pp. A571-A577.
    • Prakash, G. K., Wang, F., Shao, N., Mathew, T., Rasul, G., Haiges, R., Stewart, T., Olah, G. A. (2009). A persistent alpha-fluorocarbanion and its analogues: preparation, characterization, and computational study. Angew.Chem.Int.Ed Engl.. Vol. 48 (29), pp. 5358-5362.
    • Nguyen, M. T., Matus, M. H., Ngan, V. T., Haiges, R., Christe, K. O., Dixon, D. A. (2008). Energetics and mechanism of the decomposition of trifluoromethanol. Journal of Physical Chemistry A. Vol. 112 (6), pp. 1298-1312.
    • Christe, K. O., Hegge, J., Hoge, B., Haiges, R. (2007). Convenient access to trifluoromethanol. Angewandte Chemie-International Edition. Vol. 46 (32), pp. 6155-6158.
    • Haiges, R., Boatz, J. A., Yousufuddin, M., Christe, K. O. (2007). Monocapped trigonal-prismatic transition-metal heptaazides: Syntheses, properties, and structures of [Nb(N-3)(7)](2-) and [Ta(N-3)(7)](2-). Angewandte Chemie-International Edition. Vol. 46 (16), pp. 2869-2874.
    • Klapotke, T. M., Krumm, B., Scherr, M., Haiges, R., Christe, K. O. (2007). The binary selenium(IV) azides Se(N-3)(4), [Se(N-3)(5)](-), and [Se(N-3)(6)](2-). Angewandte Chemie-International Edition. Vol. 46 (45), pp. 8686-8690.
    • Schneider, S., Gerken, M., Haiges, R., Schroer, T., Boatz, J. A., Dixon, D. A., Grant, D. J., Christe, K. O. (2007). Synthesis and characterization of silyldichloramines, their reactions with F- ions, instability of N2Cl2 and NCl2-, and formation of NCl3. Inorganic Chemistry. Vol. 46 (1), pp. 93-102.
    • Wilson, W. W., Haiges, R., Boatz, J. A., Christe, K. O. (2007). Synthesis and characterization of (Z)-[N3NFO](+) and (E)-[N3NFO](+). Angewandte Chemie-International Edition. Vol. 46 (17), pp. 3023-3027.
    • Haiges, R., Boatz, J. A., Schroer, T., Yousufuddin, M., Christe, K. O. (2006). Experimental evidence for linear metal-azido coordination: The binary Group 5 azides [Nb(N-3)(5)], [Ta(N-3)(5)], [Nb(N-3)(6)](-), and [Ta(N-3)(6)](-) and 1 : 1 acetonitrile adducts [Nb(N-3)(5)(CH3CN)] and [Ta(N-3)(5)(CH3CN)]. Angewandte Chemie-International Edition. Vol. 45 (29), pp. 4830-4835.
    • Haiges, R., Gerken, M., Iuga, A., Bau, R., Christe, K. O. (2006). Are the NF4+ cations in NF4BF4 really nontetrahedral?. Inorganic Chemistry. Vol. 45 (19), pp. 7981-7984.
    • Haiges, R., Wagner, R., Boatz, J. A., Yousufuddin, M., Etzkorn, M., Prakash, G. K., Christe, K. O., Chapman, R. D., Welker, M. E., Kreutzberger, C. B. (2006). Preparation, characterization, and crystal structures of the SO3NHF- and SO3NF2- ions. Angewandte Chemie-International Edition. Vol. 45 (31), pp. 5179-5184.
    • Jones, C. B., Haiges, R., Schroer, T., Christe, K. O. (2006). Oxygen-balanced energetic ionic liquid. Angewandte Chemie-International Edition. Vol. 45 (30), pp. 4981-4984.
    • Kunikeev, S. D., Taylor, H. S., Schroer, T., Haiges, R., Jones, C. J., Christe, K. O. (2006). New signal processing method for the faster observation of natural-abundance N-15 NMR spectra and its application to N-5(+). Inorganic Chemistry. Vol. 45 (1), pp. 437-442.
    • Haiges, R., Boatz, J. A., Bau, R., Schneider, S., Schroer, T., Yousufuddin, M., Christe, K. O. (2005). Polyazide chemistry: The first binary group 6 azides, Mo(N-3)(6), W(N-3)(6), [Mo(N-3)(7)](-), and [W(N-3)(7)](-), and the [NW(N-3)(4)](-) and [NMo(N-3)(4)](-) ions. Angewandte Chemie-International Edition. Vol. 44 (12), pp. 1860-1865.
    • Haiges, R., Schroer, T., Yousufuddin, M., Christe, K. O. (2005). The syntheses and structures of Ph4EN3 (E = P, As, Sb), an example for the transition from ionic to covalent azides within the same main group. Zeitschrift fur Anorganische und Allgemeine Chemie. Vol. 631 (13-14), pp. 2691-2695.
    • Schroer, T., Haiges, R., Schneider, S., Christe, K. O. (2005). The race for the first generation of the pentazolate anion in solution is far from over. Chemical Communications. (12), pp. 1607-1609.
    • Haiges, R., Boatz, J. A., Schneider, S., Schroer, T., Yousufuddin, M., Christe, K. O. (2004). The binary group 4 azides [Ti(N-3)(4)] [P(C6H5)(4)][Ti(N-3)(5)], and IP(C6H5)(4)](2)[Ti(N-3)(6)] and on linear Ti-N-NN coordination. Angewandte Chemie-International Edition. Vol. 43 (24), pp. 3148-3152.
    • Haiges, R., Boatz, J. A., Vij, A., Vij, V., Gerken, M., Schneider, S., Schroer, T., Yousufuddin, M., Christe, K. O. (2004). Polyazide chemistry: Preparation and characterization of As(N-3)(5), Sb(N-3)(5), and IP(C6H5)(4)] [Sb(N-3)(6)]. Angewandte Chemie-International Edition. Vol. 43 (48), pp. 6676-6680.
    • Haiges, R., Schneider, S., Schroer, T., Christe, K. O. (2004). High-energy-density materials: Synthesis and characterization of N-5(+)[P(N-3)(6)](-), N-5(+)[B(N-3)(4)](-), N-5(+)[HF2](-)center dot nHF,N-5(+)[BF4](-), N-5(+)[PF6](-), and N-5(+)[SO3F](-). Angewandte Chemie-International Edition. Vol. 43 (37), pp. 4919-4924.
    • Haiges, R., Vij, A., Boatz, J. A., Schneider, S., Schroer, T., Gerken, M., Christe, K. O. (2004). First structural characterization of binary As-III and Sb-III azides. Chemistry-A European Journal. Vol. 10 (2), pp. 508-517.
    • Schneider, S., Haiges, R., Schroer, T., Boatz, J., Christe, K. O. (2004). The [NH3Cl](+). Angewandte Chemie-International Edition. Vol. 43 (39), pp. 5213-5217.
    • Vij, A., Wilson, W. W., Vij, V., Corley, R. C., Tham, F. S., Gerken, M., Haiges, R., Schneider, S., Schroer, T., Wagner, R. I. (2004). Methyl tin(IV) derivatives of HOTeF5 and HN(SO2CF3)(2): A solution multinuclear NMR study and the X-ray crystal structures of (CH3)(2)SnCl(OTeF5) and [(CH3)(3)Sn(H2O)(2)][N(SO2CF3)(2)]. Inorganic Chemistry. Vol. 43 (10), pp. 3189-3199.
    • Christe, K. O., Gerken, M., Haiges, R., Schneider, S., Schroer, T., Tsyba, I., Bau, R. (2003). The (SO2)(2)N-3(-) anion. Inorganic Chemistry. Vol. 42 (2), pp. 416-419.
    • Haiges, R., Boatz, J. A., Vij, A., Gerken, M., Schneider, S., Schroer, T., Christe, K. O. (2003). Polyazide chemistry: Preparation and characterization of Te(N-3)(4) and [P(C6H5)(4)](2)[Te(N-3)(6)] nd evidence for [N(CH3)(4)]Te(N-3)(5)]. Angewandte Chemie-International Edition. Vol. 42 (47), pp. 5847-5851.
    • Christe, K. O., Boatz, J. A., Gerken, M., Haiges, R., Schneider, S., Schroer, T., Tham, F. S., Vij, A., Vij, V., Wagner, R. I., Wilson, W. W. (2002). Synthesis and characterization of the SO2N3-, (SO2)(2)N-3(-), and SO3N3- anions. Inorganic Chemistry. Vol. 41 (16), pp. 4275-4285.
    • Christe, K. O., Gerken, M., Haiges, R., Schneider, S., Schroer, T., Tham, F. S., Vij, A. (2002). Tritylsulfinylamine: a new member in the family of sulfinylamines. Solid State Sciences. Vol. 4 (11-12), pp. 1529-1534.
    • Gerken, M., Boatz, J. A., Kornath, A., Haiges, R., Schneider, S., Schroer, T., Christe, K. O. (2002). The F-19 NMR shifts are not a measure for the nakedness of the fluoride anion. Journal of Fluorine Chemistry. Vol. 116 (1), pp. 49-58.
    • Gerken, M., Schneider, S., Schroer, T., Haiges, R., Christe, K. O. (2002). Improved synthesis of CsN3. Zeitschrift fur Anorganische und Allgemeine Chemie. Vol. 628 (5), pp. 909-910.
    • Haiges, R., Christe, K. O. (2002). An improved method for product separation in metathetical reactions and its demonstration for the synthesis of anhydrous cesium salts. Zeitschrift fur Anorganische und Allgemeine Chemie. Vol. 628 (8), pp. 1717-1718.
    • Eujen, R., Haiges, R. (1998). Reactions of donor-free (CF3)(2)Cd with phosphorus(V) halides: Insertion of difluorocarbene and direct synthesis of (CF3)(3)PF2. Zeitschrift fur Naturforschung Section B-A Journal of Chemical Sciences. Vol. 53 (12), pp. 1455-1460.

    Other

    • Gupta, V., Wieman, S., Didkovsky, L., Haiges, R., Yao, Y., Wu, W., Gruntman, M., Erwin, D., Fineschi, S., Fennelly, J. (2015). Investigation of Contamination of Thin-Film Aluminum Filters by MMH-NTO Plumes Exposed to UV Radiation. Solar Physics and Space Weather Instrumentation Vi.
    • The Robert Bau Award, USC, Spring 2011
    • Arthur Adamson Award 2004, USC, 2003-2004
    • Research Stipend of the DFG, Bonn, 2001-2002
    • Award for Excellence in Master’s Thesis, University of Wuppertal, 1998-1999

  • Editorships and Editorial Boards

    • Associate Editor, RSC Advances, 04/2016 –
    • Guest Editor, Crystals, 03/2017 – 12/2017

    Professional Offices

    • Alternate Councilor, ACS Southern California Section, 01/2017 –
    • Chair, ACS Division of Fluorine Chemistry, 01/2016 – 12/2017
    • Vice-Chair/Secretary, ACS Division of Fluorine Chemistry, 01/2013 – 12/2015

    Professional Memberships

    • American Crystallographic Association, 2009 –
    • American Chemical Society, 2001 –
    • Gesellschaft Deutscher Chemiker (GdCh), 1996 –