Hydrothermal synthesis and characterization of an unusual polyoxovanadium borate cluster: Structure of Rb4[(VO)6{ {B10O16(OH)6} }2] · 0.5H2O

Christopher J. Warren; Job T. Rijssenbeek; David J. Rose; Robert C. Haushalter; Jon Zubieta

doi:10.1016/S0277-5387(97)00395-1

Hydrothermal synthesis and characterization of an unusual polyoxovanadium borate cluster: Structure of Rb⁴[(VO)⁶{ {B¹⁰O¹⁶(OH)⁶} }²] · 0.5H²O

Christopher J. Warren, Job T. Rijssenbeek, David J. Rose, Robert C. Haushalter, Jon Zubieta

Research output: Contribution to journal › Article › peer-review

28 Scopus citations

Abstract

The hydrothermal reaction of RbVO₃, (NH₄)₂B₄O₇ · 4H₂O, ethylenediamine (en), and H₂O in a mole ratio of 1:8:2:135 heated at 170°C for 5 days produces pale green crystals of the novel polyoxovanadium borate cluster compound Rb₄[(VO)₆{B₁₀O₁₆(OH) ₆}₂] · 0.5H₂O (1) which contains [V₆B₂₀O₃₈(OH)₁₂]⁴- clusters, each cluster comprising a nearly hexagonal ring of six trans-edge-sharing VO₅ square pyramids capped on each side by a B₁₀O₁₆(OH)₆⁸- triangle. The [V₆B₂₀O₃₈(OH)₁₂]⁴- clusters are separated in the solid state by Rb⁺ cations. Magnetic susceptibility and valence sum calculations indicate that all six of the vanadium atoms in the cluster are in the 4+ oxidation state.

Original language	English (US)
Pages (from-to)	2599-2605
Number of pages	7
Journal	Polyhedron
Volume	17
Issue number	16
DOIs	https://doi.org/10.1016/S0277-5387(97)00395-1
State	Published - Jun 30 1998
Externally published	Yes

Keywords

Hydrothermal synthesis
Polyoxometalates
Polyoxovanadium borates
X-ray structures

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Inorganic Chemistry
Materials Chemistry

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10.1016/S0277-5387(97)00395-1

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Hydrothermal synthesis and characterization of an unusual polyoxovanadium borate cluster : Structure of Rb⁴[(VO)⁶{ {B¹⁰O¹⁶(OH)⁶} }²] · 0.5H²O. / Warren, Christopher J.; Rijssenbeek, Job T.; Rose, David J.; Haushalter, Robert C.; Zubieta, Jon.

In: Polyhedron, Vol. 17, No. 16, 30.06.1998, p. 2599-2605.

Research output: Contribution to journal › Article › peer-review

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abstract = "The hydrothermal reaction of RbVO3, (NH4)2B4O7 · 4H2O, ethylenediamine (en), and H2O in a mole ratio of 1:8:2:135 heated at 170°C for 5 days produces pale green crystals of the novel polyoxovanadium borate cluster compound Rb4[(VO)6{B10O16(OH) 6}2] · 0.5H2O (1) which contains [V6B20O38(OH)12]4- clusters, each cluster comprising a nearly hexagonal ring of six trans-edge-sharing VO5 square pyramids capped on each side by a B10O16(OH)68- triangle. The [V6B20O38(OH)12]4- clusters are separated in the solid state by Rb+ cations. Magnetic susceptibility and valence sum calculations indicate that all six of the vanadium atoms in the cluster are in the 4+ oxidation state.",

keywords = "Hydrothermal synthesis, Polyoxometalates, Polyoxovanadium borates, X-ray structures",

author = "Warren, {Christopher J.} and Rijssenbeek, {Job T.} and Rose, {David J.} and Haushalter, {Robert C.} and Jon Zubieta",

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AU - Zubieta, Jon

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AB - The hydrothermal reaction of RbVO3, (NH4)2B4O7 · 4H2O, ethylenediamine (en), and H2O in a mole ratio of 1:8:2:135 heated at 170°C for 5 days produces pale green crystals of the novel polyoxovanadium borate cluster compound Rb4[(VO)6{B10O16(OH) 6}2] · 0.5H2O (1) which contains [V6B20O38(OH)12]4- clusters, each cluster comprising a nearly hexagonal ring of six trans-edge-sharing VO5 square pyramids capped on each side by a B10O16(OH)68- triangle. The [V6B20O38(OH)12]4- clusters are separated in the solid state by Rb+ cations. Magnetic susceptibility and valence sum calculations indicate that all six of the vanadium atoms in the cluster are in the 4+ oxidation state.

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KW - X-ray structures

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