乙镓烷

乙镓烷
	IUPAC名; digallane(6)
别名	氢化镓二聚体
识别
CAS号	12140-58-8
SMILES	[GaH2]1[H][GaH2][H]1;
性质
化学式	Ga2H6
摩尔质量	145.494 g·mol⁻¹
沸点	−50 °C（升华）
	若非注明，所有数据均出自标准状态（25 ℃，100 kPa）下。

乙镓烷 (系统名digallane(6)或di-μ-hydrido-bis(dihydridogallium)) 是一种无机化合物，化学式GaH
2(H)
2GaH
2 (也可以写成[{GaH
2(μ-H)}
2]或[Ga
2H
6])。它是氢化镓的二聚体。这种化合物在1989年被报道。^[1]^[2]虽然在1941年就有人报告合成了乙镓烷^[3]，但之后未能重现这一结果。^[4]

乙镓烷不稳定，在室温分解为镓和氢气。

Ga₂H₆ → 2 Ga+3 H₂

参考资料

^ Anthony J. Downs; Michael J. Goode; Colin R. Pulham. Gallane at last!. Journal of the American Chemical Society. 1989, 111 (5): 1936–1937. doi:10.1021/ja00187a090.
^ Pulham C.R.; Downs A.J.; Goode M.J; Rankin D.W.H. Roberson H.E. Gallane: Synthesis, Physical and Chemical Properties, and Structure of the Gaseous Molecule Ga₂H₆ As Determined by Electron Diffraction. Journal of the American Chemical Society. 1991, 113 (14): 5149–5162. doi:10.1021/ja00014a003.
^ Wiberg E.; Johannsen T. Über einen flüchtigen Galliumwasserstoff der Formel Ga₂H₆ und sein Tetramethylderivat. Naturwissenschaften. 1941, 29 (21): 320. Bibcode:1941NW.....29..320W. S2CID 44840674. doi:10.1007/BF01479551.
^ Shriver, D. F.; Parry, R. W.; Greenwood, N. N.; Storr, A; Wallbridge, M. G. H. Some Observations Relative to Digallane. Inorg. Chem. 1963, 2 (4): 867–868. doi:10.1021/ic50008a053.

参见

[1] Anthony J. Downs; Michael J. Goode; Colin R. Pulham. Gallane at last!. Journal of the American Chemical Society. 1989, 111 (5): 1936–1937. doi:10.1021/ja00187a090.

[Pulham-2] Pulham C.R.; Downs A.J.; Goode M.J; Rankin D.W.H. Roberson H.E. Gallane: Synthesis, Physical and Chemical Properties, and Structure of the Gaseous Molecule Ga₂H₆ As Determined by Electron Diffraction. Journal of the American Chemical Society. 1991, 113 (14): 5149–5162. doi:10.1021/ja00014a003.

[3] Wiberg E.; Johannsen T. Über einen flüchtigen Galliumwasserstoff der Formel Ga₂H₆ und sein Tetramethylderivat. Naturwissenschaften. 1941, 29 (21): 320. Bibcode:1941NW.....29..320W. S2CID 44840674. doi:10.1007/BF01479551.

[4] Shriver, D. F.; Parry, R. W.; Greenwood, N. N.; Storr, A; Wallbridge, M. G. H. Some Observations Relative to Digallane. Inorg. Chem. 1963, 2 (4): 867–868. doi:10.1021/ic50008a053.

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