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ChemInform Abstract: A New Unifying Structural Model of Heteropolymolybdate Salts: Microstructure and Thermal Stability of a Series of Molecular Oxides.

✍ Scribed by S. BERNDT; D. HEREIN; F. ZEMLIN; E. BECKMANN; G. WEINBERG; J. SCHUETZE; G. MESTL; R. SCHLOEGL


Publisher
John Wiley and Sons
Year
2010
Weight
37 KB
Volume
29
Category
Article
ISSN
0931-7597

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✦ Synopsis


Microstructure and Thermal Stability of a Series of Molecular Oxides. -Heteropolymolybdate salts of composition CsxH 4-x PVMo 11 O 40 β€’nH 2 O (0 ≀ x ≀ 4) precipitate from aqueous solutions of Cs 2 CO 3 and H 4 PVMo 11 O 40 . The Cs salts (2 ≀ x ≀ 4) have a simple cubic structure, space group Pn3m, as determined by powder XRD. The free acid exhibits a triclinic lattice (space group P-1) for the majority of all crystals and a simple cubic lattice (Pn3m) for a minor fraction of thin crystals. Computer simulation of the XRD pattern suggest that the structure of Cs 2 H 2 PVMo 11 O 40 β€’5H 2 O contains defects in the cation lattice.


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