[Ge9O14(OH)(12)](C6N2H16)(2)center dot H2O: A novel germanate with Ge-O helical chains formed by hydrothermal synthesis that can separate trans and cis isomers in situ

作者：Yan X^*; Wei F; Elangovan SP; Ogura M; Okubo T

来源：European Journal of Inorganic Chemistry, 2004, (23): 4547-4549.

DOI：10.1002/ejic.200400566

• germanium
• helical structures
• hydrothermal synthesis
• isomers

A novel germanate [Ge9O14(OH)(12)](C6N2H16)(2).H2O (1; UTM4-) has been synthesized under hydrothermal conditions and its structure characterized by X-ray crystallography [a 9.293(2), b = 12.164(2), c = 14.564(3) Angstrom, beta = 94.96(3)degrees, V = 1640.1(6) Angstrom(3), Z = 2, monoclinic, space group P2(1)/c]. The structure consists of Ge-O layers of helical chains, which are linked by hydrogen bonds to form a soft, open framework that exhibits a selectivity for cis-1,4-diaminocyclohexane during the synthesis.

• 出版日期2004-12-3