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Preparation and crystal data for two trimetaphosphate tellurates: Te(OH) 6 · 2Na 3 P 3 O 9 · 6H 2 O and Te(OH) 6 · K 3 P 3 O 9 · 2H 2 O
Author(s) -
Boudjada N.
Publication year - 1981
Publication title -
zeitschrift für anorganische und allgemeine chemie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.354
H-Index - 66
eISSN - 1521-3749
pISSN - 0044-2313
DOI - 10.1002/zaac.19814770631
Subject(s) - octahedron , crystallography , phosphate , ion , monoclinic crystal system , hexagonal crystal system , ring (chemistry) , crystal structure , chemistry , materials science , stereochemistry , organic chemistry
Te(OH) 6 · 2Na 3 P 3 O 9 · 6H 2 O, is hexagonal (P6 3 /m) with a = 11,67(1), c = 12,12(1) Å, Z = 2 and D x = 2,225 g/cm 3 . Te(OH) 6 · K 3 P 3 O 9 · 2H 2 O, is monoklin (P2 1 /c) with a = 19,61(5), b = 7,456(1), c = 14,84(6) Å, = 108,01(4), Z = 4 and D x = 2,506 g/cm 3 . Both compounds are the first examples of phosphate tellurates in which the anion phosphate is condensed to the ring anion P 3 O 9 . As in phosphate tellurates already described the phosphate groups are independent of the TeO 6 octahedra.