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Chemical preparation and crystal data for two new cyclotriphosphates MIIK4(P3O9)2 (MII=Co2+ and Mn2+)

Published online by Cambridge University Press:  06 March 2012

Kacem Sbai ,
Malika Tridane ,
Ali Abouimrane ,
Saïd Belaaouad  and
Abdelouahed Cherqaoui
Kacem Sbai*
Affiliation:
Laboratoire de Recherches de Chimie-Physique Générale, Faculté des Sciences Ben M’Sik, BP 7955, Casablanca, Morocco
Malika Tridane
Affiliation:
Laboratoire de Recherches de Chimie-Physique Générale, Faculté des Sciences Ben M’Sik, BP 7955, Casablanca, Morocco
Ali Abouimrane
Affiliation:
Laboratoire de Recherches de Chimie-Physique Générale, Faculté des Sciences Ben M’Sik, BP 7955, Casablanca, Morocco
Saïd Belaaouad
Affiliation:
Laboratoire de Recherches de Chimie-Physique Générale, Faculté des Sciences Ben M’Sik, BP 7955, Casablanca, Morocco
Abdelouahed Cherqaoui
Affiliation:
Laboratoire de Recherches de Chimie-Physique Générale, Faculté des Sciences Ben M’Sik, BP 7955, Casablanca, Morocco
*
a)Electronic mail: [email protected]
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Abstract

Methods of chemical preparation and crystal data are reported for two new anhydrous cyclotriphosphates MIIK4(P3O9)2 (MII=Co2+ and Mn2+). These anhydrous cyclotriphosphates CoK4(P3O9)2 and MnK4(P3O9)2 were obtained by total dehydration of corresponding hydrated cyclotriphosphates CoK4(P3O9)2.7H2O and MnK4(P3O9)2.2H2O. CoK4(P3O9)2 is triclinic, space group P−1, Z=1 with the following unit-cell dimensions: a=6.29(3) Å, b=8.00(1)Å, c=13.05(8)Å, α=86.03(5)°, β=98.00(1)°, γ=68.11(2)°. MnK4(P3O9)2 crystallizes in the rhombohedral system, space group P−31c, Z=2 with the following unit-cell dimensions: a=b=7.337(3)Å, c=19.920(1)Å.

Keywords

CoK4(P3O9)2MnK4(P3O9)2chemical preparationcrystal datacyclotriphosphateanhydrouspowder diffraction
Type
New Diffraction Data
Information
Powder Diffraction , Volume 18 , Issue 3 , September 2003 , pp. 224 - 226
Copyright
Copyright © Cambridge University Press 2005

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