A novel polyoxochromium borophosphate with new 6-membered ring crown-shaped clusters

A novel chromium borophosphate with anionic clusters has been synthesized using boric acid as flux. X-ray diffraction analysis on a single crystal reveals that its structure comprises of crown-shaped 6-membered ring clusters [NaCr(8)B(4)P(12)O(60)H(8)](15-), which are built from [Cr(4)O(18)] groups,...

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Bibliographic Details
Published in:Dalton transactions : an international journal of inorganic chemistry 2010-08, Vol.39 (31), p.7262-7265
Main Authors: Liu, Wei, Zhang, Lan, Su, Ge, Cao, Li-Xin, Wang, Yong-Gang
Format: Article
Language:English
Subjects:
Boric Acids - chemistry
Chromium - chemistry
Crystallography, X-Ray
Magnetics
Molecular Conformation
Phosphates - chemistry
Temperature
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Summary:A novel chromium borophosphate with anionic clusters has been synthesized using boric acid as flux. X-ray diffraction analysis on a single crystal reveals that its structure comprises of crown-shaped 6-membered ring clusters [NaCr(8)B(4)P(12)O(60)H(8)](15-), which are built from [Cr(4)O(18)] groups, [BP(2)O(10)] anions and PO(4) tetrahedra with Na(+) cations encapsulated in the clusters. Magnetic investigation showed strong antiferromagnetic interactions between Cr(3+)-Cr(3+) dimers at low temperature.
ISSN:1477-9226
1477-9234
DOI:10.1039/c000515k