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A Novel Framework Antimony (III) Phosphate: Synthesis and Structure of NaSb3O2(PO4)2

✍ Scribed by Brian A. Adair; Graciela Dı́az de Delgado; J. Miguel Delgado; Anthony K. Cheetham

Publisher
Elsevier Science
Year
2000
Tongue
English
Weight
285 KB
Volume
151
Category
Article
ISSN
0022-4596

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✦ Synopsis

The antimony (III) phosphate, NaSb 3 O 2 (PO 4 ) 2 , is a framework structure built from Sb III and P V centers; orthorhombic, space group Pca2 1 (No. 29), a ‫؍‬ 13.944( 3), b ‫؍‬ 6.6822( 13), c ‫؍‬ 20.886(4) A > , V ‫؍‬ 1946.1(7) A > 3 , Z ‫؍‬ 8. Stereochemically active lone pairs of electrons associated with Sb III O 5 and Sb III O 4 polyhedra point into eight-ring channels, approximately 5؋7 A > 2 , which dominate the architecture of the title compound. Chargecompensating sodium cations occupy the remaining space in the channels.

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