Lin Hsiu-Mei, Lii Kwang-Hwa
Institute of Chemistry, Academia Sinica, Taipei, Taiwan 115, ROC.
Inorg Chem. 1998 Aug 24;37(17):4220-4222. doi: 10.1021/ic980294d.
The first metal phosphate containing a chiral amine, [(1R,2R)-C(6)H(10)(NH(3))(2)][Ga(OH)(HPO(4))(2)].H(2)O, has been synthesized hydrothermally and characterized by single-crystal X-ray diffraction. It crystallizes in the monoclinic space group P2(1) with a = 8.7202(2) Å, b = 7.1276(2) Å, c = 11.1411(4) Å, beta = 96.129(1) degrees, and Z = 2. The structure consists of infinite chains of trans-corner-sharing GaO(5)(OH) octahedra with the adjacent octahedra being bridged by HPO(4) groups, which are H-bonded with amine groups of the organic cations and the lattice water. The Ga-O bond lengths along the backbone of the chain are alternately short and long. For comparison, the gallophosphate-containing racemic mix is also synthesized. [trans-1,2-C(6)H(10)(NH(3))(2)][Ga(OH)(HPO(4))(2)].H(2)O crystallizes in the centrosymmetric, orthorhombic space group Pbcm with a = 8.6993(2) Å, b = 21.8612(1) Å, c = 7.1557(2) Å, V = 1360.85(5) Å(3), and Z = 4.
首个含有手性胺的金属磷酸盐[(1R,2R)-C₆H₁₀(NH₃)₂][Ga(OH)(HPO₄)₂]·H₂O已通过水热法合成，并通过单晶X射线衍射进行了表征。它结晶于单斜空间群P2₁，a = 8.7202(2) Å，b = 7.1276(2) Å，c = 11.1411(4) Å，β = 96.129(1)°，Z = 2。其结构由反式角共享GaO₅(OH)八面体的无限链组成，相邻八面体由HPO₄基团桥连，这些基团与有机阳离子的胺基团和晶格水形成氢键。沿着链骨架的Ga - O键长交替出现长短变化。为作比较，还合成了含外消旋混合物的镓磷酸盐。[trans-1,2-C₆H₁₀(NH₃)₂][Ga(OH)(HPO₄)₂]·H₂O结晶于中心对称的正交空间群Pbcm，a = 8.6993(2) Å，b = 21.8612(1) Å，c = 7.1557(2) Å，V = 1360.85(5) ų，Z = 4。
