Song JL, Lu WX, Guo TS, Zhou YH. Syntheses, crystal structures and optical properties of two one-dimensional germanophosphates: HRb
3Ge
2(HPO
4)
6 and CsGe(HPO
4)
2(OH).
ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY 2018;
74:1146-1152. [PMID:
30284981 DOI:
10.1107/s2053229618012792]
[Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2018] [Accepted: 09/10/2018] [Indexed: 11/11/2022]
Abstract
Germanophosphates, as a young class of metal phosphates, have been less reported but might possess more diverse structural types and potential applications. Here, two one-dimensional (1D) alkali-metal germanophosphates (GePOs), namely, hydrogen hexakis(μ-hydrogen phosphato)digermaniumtrirubidium, HRb3Ge2(HPO4)6 (1), and caesium bis(μ-hydrogen phosphato)(μ-hydroxido)germanium, CsGe(HPO4)2(OH) (2), have been prepared by the solvothermal method. Compound 1 shows 1D [Ge(HPO4)6]∞ chains along the c axis formed by GeO6 octahedra and PO4 tetrahedra, with Rb+ cations dissociated between the chains. Compound 2 also exhibits 1D [Ge(HPO4)4(OH)2]∞ chains constructed from adjacent Ge(HPO4)4(OH)2 octahedra, with Cs+ cations dissociated between the chains. XRD, TGA, IR and UV-Vis-NIR absorption spectra are presented and discussed for both compounds.
Collapse