Crystal structure of tetra-guanidinium [hexa-hydrogen hexa-arsenato(V)tetra-vanadate(V)] tetra-hydrate

William T. A. Harrison

doi:10.1107/S1600536814011349

Crystal structure of tetra-guanidinium [hexa-hydrogen hexa-arsenato(V)tetra-vanadate(V)] tetra-hydrate

William T. A. Harrison

Chemistry

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Abstract

The complete polyoxidometallate anion in the title compound, (CH6N3)4[H6V4As6O30]·4H2O, is generated by crystallographic inversion symmetry. The polyhedral building units are distorted VO6 octahedra and AsO3OH tetrahedra. The VO6 units feature a short formal V=O double bond and are linked by a common edge. Two such V2O6 double octahedral units are linked by four isolated AsO3OH tetrahedra to complete the anion, which features two internal O-H⋯O hydrogen bonds. In the crystal, O-H⋯O hydrogen bonds between the polyoxidometallate anions generate (01-1) sheets. The sheets are connected by cation-to-cluster N-H⋯O hydrogen bonds, and cation-to-water N-H⋯O links also occur. The O atom of one of the water molecules is disordered over two sites in a 0.703 (17):0.297 (17) ratio.

Original language	English
Pages (from-to)	m305-m306
Number of pages	2
Journal	Acta Crystallographica Section E: Structure Reports Online
Volume	70
Issue number	9
Early online date	1 Aug 2014
DOIs	https://doi.org/10.1107/S1600536814011349
Publication status	Published - 1 Sept 2014

Keywords

Crystal structure
Polyoxidometallate anion
vanadium
arsenic

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Crystal structure of tetraguanidinium [hexahydrogen hexaarsenato(V)tetravanadate(V)] tetrahydrate
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title = "Crystal structure of tetra-guanidinium [hexa-hydrogen hexa-arsenato(V)tetra-vanadate(V)] tetra-hydrate",

abstract = "The complete polyoxidometallate anion in the title compound, (CH6N3)4[H6V4As6O30]·4H2O, is generated by crystallographic inversion symmetry. The polyhedral building units are distorted VO6 octahedra and AsO3OH tetrahedra. The VO6 units feature a short formal V=O double bond and are linked by a common edge. Two such V2O6 double octahedral units are linked by four isolated AsO3OH tetrahedra to complete the anion, which features two internal O-H⋯O hydrogen bonds. In the crystal, O-H⋯O hydrogen bonds between the polyoxidometallate anions generate (01-1) sheets. The sheets are connected by cation-to-cluster N-H⋯O hydrogen bonds, and cation-to-water N-H⋯O links also occur. The O atom of one of the water molecules is disordered over two sites in a 0.703 (17):0.297 (17) ratio.",

keywords = "Crystal structure, Polyoxidometallate anion, vanadium, arsenic",

author = "Harrison, {William T. A.}",

year = "2014",

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doi = "10.1107/S1600536814011349",

language = "English",

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journal = "Acta Crystallographica Section E: Structure Reports Online",

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publisher = "International Union of Crystallography",

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TY - JOUR

T1 - Crystal structure of tetra-guanidinium [hexa-hydrogen hexa-arsenato(V)tetra-vanadate(V)] tetra-hydrate

AU - Harrison, William T. A.

PY - 2014/9/1

Y1 - 2014/9/1

N2 - The complete polyoxidometallate anion in the title compound, (CH6N3)4[H6V4As6O30]·4H2O, is generated by crystallographic inversion symmetry. The polyhedral building units are distorted VO6 octahedra and AsO3OH tetrahedra. The VO6 units feature a short formal V=O double bond and are linked by a common edge. Two such V2O6 double octahedral units are linked by four isolated AsO3OH tetrahedra to complete the anion, which features two internal O-H⋯O hydrogen bonds. In the crystal, O-H⋯O hydrogen bonds between the polyoxidometallate anions generate (01-1) sheets. The sheets are connected by cation-to-cluster N-H⋯O hydrogen bonds, and cation-to-water N-H⋯O links also occur. The O atom of one of the water molecules is disordered over two sites in a 0.703 (17):0.297 (17) ratio.

AB - The complete polyoxidometallate anion in the title compound, (CH6N3)4[H6V4As6O30]·4H2O, is generated by crystallographic inversion symmetry. The polyhedral building units are distorted VO6 octahedra and AsO3OH tetrahedra. The VO6 units feature a short formal V=O double bond and are linked by a common edge. Two such V2O6 double octahedral units are linked by four isolated AsO3OH tetrahedra to complete the anion, which features two internal O-H⋯O hydrogen bonds. In the crystal, O-H⋯O hydrogen bonds between the polyoxidometallate anions generate (01-1) sheets. The sheets are connected by cation-to-cluster N-H⋯O hydrogen bonds, and cation-to-water N-H⋯O links also occur. The O atom of one of the water molecules is disordered over two sites in a 0.703 (17):0.297 (17) ratio.

KW - Crystal structure

KW - Polyoxidometallate anion

KW - vanadium

KW - arsenic

U2 - 10.1107/S1600536814011349

DO - 10.1107/S1600536814011349

M3 - Article

C2 - 25309172

SN - 1600-5368

VL - 70

SP - m305-m306

JO - Acta Crystallographica Section E: Structure Reports Online

JF - Acta Crystallographica Section E: Structure Reports Online

IS - 9

ER -

Crystal structure of tetra-guanidinium [hexa-hydrogen hexa-arsenato(V)tetra-vanadate(V)] tetra-hydrate

Abstract

Keywords

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