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]
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乙镓烷不稳定,在室温分解为镓和氢气。
- Ga2H6 → 2 Ga+3 H2
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.
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.