Bis{tris[3-(2-pyridyl)-1H-pyrazole]nickel(II)} dodecamolybdosilicate tetrahydrate

The asymmetric unit of the title compound, [Ni(C8H7N3)3]2[SiMo12O40]·4H2O, consists of a complex [Ni(C8H7N3)3]2+ cation, half of a Keggin-type heteropolyanion [SiMo12O40]4− and two uncoordinated water molecules. The Ni2+ cation is surrounded in a slightly distorted octahed...

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Main Authors: Xiutang Zhang, Dong Yuan, Peihai Wei, Bin Li, Bo Hu
Format: Article
Language:English
Published: International Union of Crystallography 2010-02-01
Series:Acta Crystallographica Section E
Online Access:http://scripts.iucr.org/cgi-bin/paper?S1600536810000978
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author Xiutang Zhang
Dong Yuan
Peihai Wei
Bin Li
Bo Hu
author_facet Xiutang Zhang
Dong Yuan
Peihai Wei
Bin Li
Bo Hu
author_sort Xiutang Zhang
collection DOAJ
description The asymmetric unit of the title compound, [Ni(C8H7N3)3]2[SiMo12O40]·4H2O, consists of a complex [Ni(C8H7N3)3]2+ cation, half of a Keggin-type heteropolyanion [SiMo12O40]4− and two uncoordinated water molecules. The Ni2+ cation is surrounded in a slightly distorted octahedral coordination by six N atoms from three chelating 3-(2-pyridyl)-1H-pyrazole ligands. In the heteropolyanion, two O atoms of the central SiO4 group (overline{1} symmetry) are equally disordered about an inversion centre. N—H...O and O—H...O hydrogen bonding between the cations, anions and the uncoordinated water molecules leads to a consolidation of the structure.
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spelling doaj.art-f92d6cebf13b4e06886ce68f0880ee542022-12-21T16:43:14ZengInternational Union of CrystallographyActa Crystallographica Section E1600-53682010-02-01662m152m15310.1107/S1600536810000978Bis{tris[3-(2-pyridyl)-1H-pyrazole]nickel(II)} dodecamolybdosilicate tetrahydrateXiutang ZhangDong YuanPeihai WeiBin LiBo HuThe asymmetric unit of the title compound, [Ni(C8H7N3)3]2[SiMo12O40]·4H2O, consists of a complex [Ni(C8H7N3)3]2+ cation, half of a Keggin-type heteropolyanion [SiMo12O40]4− and two uncoordinated water molecules. The Ni2+ cation is surrounded in a slightly distorted octahedral coordination by six N atoms from three chelating 3-(2-pyridyl)-1H-pyrazole ligands. In the heteropolyanion, two O atoms of the central SiO4 group (overline{1} symmetry) are equally disordered about an inversion centre. N—H...O and O—H...O hydrogen bonding between the cations, anions and the uncoordinated water molecules leads to a consolidation of the structure.http://scripts.iucr.org/cgi-bin/paper?S1600536810000978
spellingShingle Xiutang Zhang
Dong Yuan
Peihai Wei
Bin Li
Bo Hu
Bis{tris[3-(2-pyridyl)-1H-pyrazole]nickel(II)} dodecamolybdosilicate tetrahydrate
Acta Crystallographica Section E
title Bis{tris[3-(2-pyridyl)-1H-pyrazole]nickel(II)} dodecamolybdosilicate tetrahydrate
title_full Bis{tris[3-(2-pyridyl)-1H-pyrazole]nickel(II)} dodecamolybdosilicate tetrahydrate
title_fullStr Bis{tris[3-(2-pyridyl)-1H-pyrazole]nickel(II)} dodecamolybdosilicate tetrahydrate
title_full_unstemmed Bis{tris[3-(2-pyridyl)-1H-pyrazole]nickel(II)} dodecamolybdosilicate tetrahydrate
title_short Bis{tris[3-(2-pyridyl)-1H-pyrazole]nickel(II)} dodecamolybdosilicate tetrahydrate
title_sort bis tris 3 2 pyridyl 1h pyrazole nickel ii dodecamolybdosilicate tetrahydrate
url http://scripts.iucr.org/cgi-bin/paper?S1600536810000978
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