Abstract

Chemical preparation and structural caracterization by X-ray diffraction are given for a new organic cyclohexaphosphate, [o-C7H10NO]4Li2P6O18·5H2O. This compound crystallizes in the orthorhombic space group Pna21, with unit-cell parameters a = 19.964(3)A, b = 9.417(4)A, c = 23.520(4)A, Z = 4, V = 4421.8(17)A3. Its crystal structure has been determined and refined to a final R = 0.068 and Rw = 0.070 for 5276 independent reflections. The atomic arrangement can be described as a layer organization built by P6O18 rings, lithium and water molecules. Between these layers, [o-C7H10NO]+ organic cations are located giving rise to a three-dimensional network.

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