Crystal structure of (Al,V)(4)(P4O12)(3), archetype of double cubic ring tetraphosphateстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:The crystal structure of the (Al,V)(4)(P4O12)(3) solid solution, obtained in the single-crystal form by hydrothermal synthesis in the Al(OH)(3)-VO2-NaCl-H3PO4-H2O system, has been solved by X-ray diffraction analysis (Xcalibur-S-CCD diffractometer, R = 0.0257): a = 13.7477(2) , sp. gr. I (4) over bar 3d, Z = 4, and rho(calcd) = 2.736 g/cm(3). It is shown that the crystal structure of the parent cubic Al-4(P4O12)(3) modification can formally be considered an archetype for the formation of double isosymmetric tetraphosphates on its basis.