Structure cristalline de Cu4(PO4)2O |
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Authors: | M Brunel-Laügt A Durif JC Guitel |
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Institution: | Laboratoire de Cristallographie, C.N.R.S. 166 X, 38042 Grenoble Cedex, France |
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Abstract: | Cu4(PO4)2O is a new copper-rich phosphate. The preparation is described. The unit cell is triclinic, , with a = 7.528 Å, b = 8.090 Å, c = 6.272 Å; α = 113.68°, β = 81.56°, γ = 105.77°. The structure was solved from 1526 independent reflections using Patterson and Fourier syntheses. The final R value is 0.041 for the 1217 strongest reflections. Copper sites form a three-dimensional framework. The structure consists of homogeneous layers of copper and oxygen atoms parallel to the (012) plane. Phosphorus atoms are inserted between copper and oxygen layers. |
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