About Hydrides

Hydride Ion Diagram

The hydride ion is the anion of hydrogen, H-. Hydrides are compounds in which one or more hydrogens have nucleophilic/reducing properties, and many are ionic compounds containing the hydride ion. Almost all the elements form binary compounds with hydrogen; these are the simplest hydrides.

Hydrides are divided into three basic types: saline, metallic, and covalent. Saline hydrides, such as sodium hydride and calcium hydride, are often used as portable sources of hydrogen gas. Metallic hydrides, such as titanium hydride, are alloy-like materials that share some properties with metals including luster and electrical conductivity. Covalent hydrides are mostly compounds of hydrogen and nonmetallic elements; they include water, ammonia, hydrogen sulfide, and methane. A fourth group of hydrides, dimeric or polymeric hydrides, give off large amounts of energy when burned and have been investigated for use in rocket fuels.

Hydrides like sodium and potassium hydride are commonly used as reducing agents in chemical synthesis, dessicants or drying agents in laboratory or industrial settings, catalysts, and as chemical means of hydrogen storage, as in nickel-metal hydride battery and hydrogen fuel cell technologies.

Recent Research & Development for Hydrides

Sodium Butylated Hydroxytoluene (NaBHT) as a New and Efficient Hydride Source for Pd-Catalysed Reduction Reactions., Sharif, Sepideh, Rodriguez Michael J., Lu Yu, Kopach Michael E., Mitchell David, Hunter Howard N., and Organ Michael G. , Chemistry, 2019 Sep 19, (2019)

CO hydrogenation by phosphorus-nitrogen PNP-pincer iridium hydride complexes: elucidation of the deactivation pathway., Pan, Yupeng, Guan Chao, Li Huaifeng, Chakraborty Priyanka, Zhou Chunhui, and Huang Kuo-Wei , Dalton Trans, 2019 Sep 14, Volume 48, Issue 34, p.12812-12816, (2019)

Sodium borohydride-assisted synthesis of strontium substituted lanthanum cobaltate with in-situ generated cobaltosic oxide: Towards enhanced oxygen evolution reaction in alkaline media., Liu, Heng, Tan Pengfei, Ma Quanyin, Dong Rui, Zhu Anquan, Qiao Lulu, Tang Meifang, Li Erping, and Pan Jun , J Colloid Interface Sci, 2019 Sep 07, Volume 557, p.103-111, (2019)

Ultratrace Pb determination in seawater by solution-cathode glow discharge-atomic emission spectrometry coupled with hydride generation., Cheng, Junqi, Li Qing, Zhao Mingyue, and Wang Zheng , Anal Chim Acta, 2019 Oct 24, Volume 1077, p.107-115, (2019)

Efficient and Selective Conversion of Phosphine-Protected (MAu) (M = Pd, Pt) Superatoms to Thiolate-Protected (MAu) or Alkynyl-Protected (MAu) Superatoms via Hydride Doping., Takano, Shinjiro, Ito Shun, and Tsukuda Tatsuya , J Am Chem Soc, 2019 Oct 09, Volume 141, Issue 40, p.15994-16002, (2019)

Erratum: Structural and Valence Changes of Europium Hydride Induced by Application of High-Pressure H_{2} [Phys. Rev. Lett. 107, 025501 (2011)]., Matsuoka, T, Fujihisa H, Hirao N, Ohishi Y, Mitsui T, Masuda R, Seto M, Yoda Y, Shimizu K, Machida A, et al. , Phys Rev Lett, 2019 May 03, Volume 122, Issue 17, p.179901, (2019)

(Diphenylphosphino)alkylaldehyde affords hydride- or alkyl-[(diphenylphosphino)alkylacyl]rhodium(iii) or (diphenylphosphino)alkylester complexes: theoretical and experimental diastereoselectivity., Azpeitia, Susan, Barquín Montserrat, Mendicute-Fierro Claudio, Huertos Miguel A., Rodríguez-Diéguez Antonio, Seco Jose M., San Sebastian Eider, Ibarlucea Lourdes, and Garralda María A. , Dalton Trans, 2019 Mar 05, Volume 48, Issue 10, p.3300-3313, (2019)

Non-Noble Cobalt Tungstate Catalyst for Effective Electrocatalytic Oxidation of Borohydride., Tiwari, Aarti, Singh Vikram, and Nagaiah Tharamani C. , ACS Appl Mater Interfaces, 2019 Jun 19, Volume 11, Issue 24, p.21465-21472, (2019)

Laser-cooling with an intermediate electronic state: Theoretical prediction on bismuth hydride., Yuan, Xiang, Guo Hui-Jie, Wang Yu-Min, Xue Jian-Lei, Xu Hai-Feng, and Yan Bing , J Chem Phys, 2019 Jun 14, Volume 150, Issue 22, p.224305, (2019)

A Benchmark of Density Functional Approximations For Thermochemistry and Kinetics of Hydride Reductions of Cyclohexanones., Deraet, Xavier, Woller Tatiana, Van Lommel Ruben, De Proft Frank, Verniest Guido, and Alonso Mercedes , ChemistryOpen, 2019 Jun, Volume 8, Issue 6, p.788-806, (2019)

Reduction of Benzonitriles via Osmium-Azavinylidene Intermediates Bearing Nucleophilic and Electrophilic Centers., Babón, Juan C., Esteruelas Miguel A., Fernández Israel, López Ana M., and Oñate Enrique , Inorg Chem, 2019 Jul 01, Volume 58, Issue 13, p.8673-8684, (2019)

Consecutive ligand-based PCET processes affording a doubly reduced nickel pyrazinedithiolate which transforms into a metal hydride required to evolve H., Koshiba, Keita, Yamauchi Kosei, and Sakai Ken , Dalton Trans, 2019 Jan 02, Volume 48, Issue 2, p.635-640, (2019)

Nucleophilic Aromatic Substitution at Benzene with Powerful Strontium Hydride and Alkyl Complexes., Rösch, Bastian, Gentner Thomas Xaver, Elsen Holger, Fischer Christian A., Langer Jens, Wiesinger Michael, and Harder Sjoerd , Angew Chem Int Ed Engl, 2019 Feb 21, (2019)