Synthesis and crystal structures of lithium polyphosphates, LiPO3, Li4H(PO3)(5), and LiMn(PO3)(3)статья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:Polyphosphates of the compositions LiPO3, Li4H(PO3)(5), and LiMn(PO3)(3) were prepared by the reactions of Li2CO3 and MnO2 with melts of polyphosphoric acids at 240-350 degreesC, and their crystal structures were established. The unit-cell parameters are a = 13.074 Angstrom, b = 5.4068 Angstrom, c = 16.452 Angstrom, beta = 99.00 degrees, sp. gr. P2/n; a = 6.6434 Angstrom, b = 7.253 Angstrom, c = 11.399 Angstrom, alpha = 72.60 degrees, beta = 83.361, gamma = 85.32 degrees, sp. gr. P (1) over bar; a = 8.364 Angstrom, b = 8.561 Angstrom, c = 8.6600 Angstrom, sp. gr. P2(1)2(1)2(1), respectively. The influence of cations on the structures of the com pounds is discussed. (C) 2001 MAIK ''Nauka/Interperiodica".