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Synthesis and crystal structure of novel complex phosphate Li 5 Cu 2 Al(PO 4 ) 4

Synthesis and crystal structure of novel complex phosphate Li 5 Cu 2 Al(PO 4 ) 4 Abstract A new complex phosphate Li5Cu2Al(PO4)4 has been obtained by the flux method in the Cs-Li-Cu-V-P-O system. Its crystal structure has been determined by X-ray diffraction (R 1 = 2.74%) to be as follows: sp. gr. \(P\bar 1\), a = 4.860(5) Å, b = 7.788(5) Å, c = 8.324(5) Å, α = 69.542(5)°, β = 90.016(5)°, γ = 75.318(5)°, Z = 1, and V = 284.2(4) Å3. The compound under study has a dense structure and a three-dimensional framework build up of [LiO5], [AlO6], [Cu/LiO5], and [CuO4] polyhedra and [PO4] tetrahedra. A comparative crystal-chemical analysis of two isotypic compounds with a general formula Li5Cu2 M(PO4)4 (M = Fe, Al) has been performed. Topological relations between the Na2Mg5(PO4)4 and Li5Cu2 M(PO4)4 crystal structures, which are characterized by different cationic compositions, are revealed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Crystallography Reports Springer Journals

Synthesis and crystal structure of novel complex phosphate Li 5 Cu 2 Al(PO 4 ) 4

Crystallography Reports , Volume 59 (2): 8 – Mar 1, 2014

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References (20)

Publisher
Springer Journals
Copyright
2014 Pleiades Publishing, Inc.
ISSN
1063-7745
eISSN
1562-689X
DOI
10.1134/s1063774514020230
Publisher site
See Article on Publisher Site

Abstract

Abstract A new complex phosphate Li5Cu2Al(PO4)4 has been obtained by the flux method in the Cs-Li-Cu-V-P-O system. Its crystal structure has been determined by X-ray diffraction (R 1 = 2.74%) to be as follows: sp. gr. \(P\bar 1\), a = 4.860(5) Å, b = 7.788(5) Å, c = 8.324(5) Å, α = 69.542(5)°, β = 90.016(5)°, γ = 75.318(5)°, Z = 1, and V = 284.2(4) Å3. The compound under study has a dense structure and a three-dimensional framework build up of [LiO5], [AlO6], [Cu/LiO5], and [CuO4] polyhedra and [PO4] tetrahedra. A comparative crystal-chemical analysis of two isotypic compounds with a general formula Li5Cu2 M(PO4)4 (M = Fe, Al) has been performed. Topological relations between the Na2Mg5(PO4)4 and Li5Cu2 M(PO4)4 crystal structures, which are characterized by different cationic compositions, are revealed.

Journal

Crystallography ReportsSpringer Journals

Published: Mar 1, 2014

Keywords: Crystallography and Scattering Methods

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