Synthesis and structure of zirconium and 3d-transition metal phosphates M
0.5Zr2(PO4)3(M = Mn, Co, Ni, Cu, Zn) |
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| Authors: | V I Pet’kov A I Orlova G I Dorokhova Ya V Fedotova |
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| Institution: | (1) Niznii Novgorod State University, pr. Gagarina, 23, Niznii Novgorod, 603600, Russia;(2) Moscow State University, Vorob’evy gory, Moscow, 117349, Russia |
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| Abstract: | Double zirconium and 3d-transition metal phosphates of the compositions M 0.5Zr2(PO4)3M = Mn (I), Co (II), Ni (III), Cu (IV), Zn (V)] have been synthesized and the types of their structures have been refined. Compounds I, II, III, IV, and V are all monoclinic (sp. gr. P21/n, Z = 4) and have the unit cell parameters a = 12.390(3), 12.389(3), 12.385(3), 12.389(3), 12.389(2) Å; b = 8.931(4), 8.928(3), 8.924(4), 8.925(4), 8.929(3) Å; c = 8.843(3), 8.840(2), 8.840(3), 8.841(3), 8.842(2) Å, β = 90.55(1), 90.54(1), 90.53(1), 90.53(1), 90.54(1)°; V = 978.5, 977.7, 977.0, 977.4, 978.1 Å3, respectively. All the structures have the {Zr2(PO4)3]?}3∞-type frameworks. The crystallographic data for 3d-transition and alkali earth metal phosphates described by the general formula M 0.5Zr2(PO4)3 are compared. |
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