dimagnesium cobalt(I) pentahydride | 98586-77-7

• 英文名称: dimagnesium cobalt(I) pentahydride
• CAS: 98586-77-7
• 化学式: CoH₅*2Mg
• 分子量: 112.643
• InChiKey: GGYJINPQTLJOHT-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  -1.72
• 重原子数：
  2.0
• 可旋转键数：
  0.0
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  0.0
• 氢给体数：
  0.0
• 氢受体数：
  0.0

反应信息

• 作为反应物：
  描述：

  氢气 、 magnesium hydride 、 barium hydride 、 dimagnesium cobalt(I) pentahydride 559.84 ℃ 、7.0 MPa 条件下， 反应 18.0h， 生成
  参考文献：
  名称：

  Stabilization of 3d Transition Metal Hydrido Complexes in SrH₂Mg₂[Co(I)H₅], BaH₂Mg₅[Co(−I)H₄]₂, and RbH₂Mg₅[Co(−I)H₄ Ni(0)H₄] via Easily Polarizable Hydride Ligands

  摘要：

  A combined study using neutron diffraction, inelastic neutron scattering, and first-principles calculations describe cobalt with a very low formal oxidation state of (-I) in a slightly distorted tetrahedral Co(-I)H-4-complex in BaH2Mg5[Co(-I)H-4](2) and in the structurally related RbH2Mg5[Co(-I)H4Ni(0)H-4]. This indicates that the electron "back donating" effect via the polarizable hydride ions to the counterions in the solid state hydrides, can be compared to more conventional "back bonding" able to reduce the oxidation state down to -I. The hydrides were synthesized by hot sintering of transition metal powders with corresponding binary alkali- and alkaline earth hydrides. In the similarly synthesized SrH2Mg2[Co(I)H-5], cobalt is formally + I-valent, showing a high sensitivity to differences in the counterion framework, which can also influence electrical properties.

  DOI：

  10.1021/acs.inorgchem.6b00074
• 作为产物：
  描述：

  钴 、 氢气 、 magnesium hydride 499.84 ℃ 、7.0 MPa 条件下， 反应 18.0h， 生成 dimagnesium cobalt(I) pentahydride
  参考文献：
  名称：

  Stabilization of 3d Transition Metal Hydrido Complexes in SrH₂Mg₂[Co(I)H₅], BaH₂Mg₅[Co(−I)H₄]₂, and RbH₂Mg₅[Co(−I)H₄ Ni(0)H₄] via Easily Polarizable Hydride Ligands

  摘要：

  A combined study using neutron diffraction, inelastic neutron scattering, and first-principles calculations describe cobalt with a very low formal oxidation state of (-I) in a slightly distorted tetrahedral Co(-I)H-4-complex in BaH2Mg5[Co(-I)H-4](2) and in the structurally related RbH2Mg5[Co(-I)H4Ni(0)H-4]. This indicates that the electron "back donating" effect via the polarizable hydride ions to the counterions in the solid state hydrides, can be compared to more conventional "back bonding" able to reduce the oxidation state down to -I. The hydrides were synthesized by hot sintering of transition metal powders with corresponding binary alkali- and alkaline earth hydrides. In the similarly synthesized SrH2Mg2[Co(I)H-5], cobalt is formally + I-valent, showing a high sensitivity to differences in the counterion framework, which can also influence electrical properties.

  DOI：

  10.1021/acs.inorgchem.6b00074

文献信息

• Zolliker; Yvon; Fischer, Inorganic Chemistry, 1985, vol. 24, # 24, p. 4177 - 4180
  作者：Zolliker、Yvon、Fischer、Schefer

  DOI：——

  日期：——