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Tris[tris-(1,10-phenanthroline-?N,N')iron(II)] dodeca-tungstoferrate dihydrate.

ABSTRACT: The title compound, [Fe(C(12)H(8)N(2))(3)](3)[FeW(12)O(40)]·2H(2)O, was prepared under hydro-thermal conditions. The discrete Keggin-type [FeW(12)O(40)](6-) heteropolyoxoanion has threefold symmetry, with the Fe(II) atom located on the threefold rotation axis. The central FeO(4) tetra-hedron in the anion shares its O atoms with four W(3)O(13) trinuclear units, each of which is made up of three edge-shared WO(6) octa-hedral units. The Fe(II) atom in the complex cation, viz [Fe(phen)(3)](2+) (phen is 1,10-phen-anthroline), shows a slightly distorted octa-hedral geometry defined by six N atoms from three phen ligands. The polyoxoanions pack together with the cations, with the disordered water mol-ecules located in voids; the site occupancy factor for each water O atom is 0.33.

SUBMITTER: Ma FX

PROVIDER: S-EPMC2961299 | biostudies-literature | 2008 Apr

REPOSITORIES: biostudies-literature

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Tris[tris-(1,10-phenanthroline-κN,N')iron(II)] dodeca-tungstoferrate dihydrate.

Ma Feng-Xia FX Chen Ya-Guang YG Shi Dong-Mei DM

Acta crystallographica. Section E, Structure reports online 20080416 Pt 5

The title compound, [Fe(C(12)H(8)N(2))(3)](3)[FeW(12)O(40)]·2H(2)O, was prepared under hydro-thermal conditions. The discrete Keggin-type [FeW(12)O(40)](6-) heteropolyoxoanion has threefold symmetry, with the Fe(II) atom located on the threefold rotation axis. The central FeO(4) tetra-hedron in the anion shares its O atoms with four W(3)O(13) trinuclear units, each of which is made up of three edge-shared WO(6) octa-hedral units. The Fe(II) atom in the complex cation, viz [Fe(phen)(3)](2+) (phen ...[more]

PMID: 21202212

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