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Hydrothermal synthesis and structure of a new arsenic–vanadium cluster: [NH2(CH2CH2)2NH2]3[As8V14O42(SO4)]·6.5H2O

✍ Scribed by Shou-Tian Zheng; Jie Zhang; Guo-Yu Yang

Publisher
Elsevier Science
Year
2004
Tongue
English
Weight
270 KB
Volume
705
Category
Article
ISSN
0022-2860

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✦ Synopsis

A new arsenic-vanadium clusters, [NH 2 (CH 2 CH 2 ) 2 NH 2 ] 3 [As 8 V 14 O 42 (SO 4 )]$6.5H 2 O (1), have been hydrothermally synthesized and characterized by IR, elemental analysis, TGA, magnetic property, and single crystal X-ray diffraction analysis. Crystal data: Monoclinic, P2(1)/n, aZ21.963(2) A ˚, bZ14.508(1) A ˚, cZ23.054(3) A ˚, bZ118.316(3)8, ZZ4. X-ray crystallographic study showed that crystal 1 is composed of the discrete cluster anions [As 8 V 14 O 42 (SO 4 )] 6K , organic amine molecules providing charge-compensation, space-filling, and structure-directing roles, and lattice water molecules occupying in the structure. The study of the magnetic susceptibility of 1 demonstrates the presence of antiferromagnetic interaction between V IV cations in 1.

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