The crystal structure of PbFe[AsO4][AsO3(OH)]

被引：4
|
作者：
Effenberger, H
Hejny, C
Pertlik, F
机构：
[1] Inst. F. Mineral. und Kristal., Universität Wien
来源：
MONATSHEFTE FUR CHEMIE | 1996年 / 127卷 / 02期
关键词：
PbFe[AsO4][AsO3(OH); synthesis; hydrothermal; crystal structure; crystal chemistry;
D O I：
10.1007/BF00807393
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Light green to nearly colourless crystals of PbFe[AsO4] [AsO3(OH)] were synthesized under moderate hydrothermal conditions (a = 4.846(2), b = 8.482(4), c = 15.560(6)Angstrom beta = 92.82(3)degrees, space group P2(1)/n, Z = 4). For a single-crystal structure determination, 110 variable parameters were refined to R = 0.042, R(w) = 0.031 (1545 X-ray reflections with F-0 > 3 sigma(F-0) and sin theta/lambda less than or equal to 70 degrees). The crystal structure is characterized by a three-dimensional corner-connection of the FeO6 octahedra with the arsenate tetrahedra and the protonated arsenate groups. Each two PbO7 polyhedra are edge-connectedto Pb2O12 dimers which are located within interstitial holes.
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页码：127 / 133
页数：7
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