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Synthesis and Crystal Structure of La2Cu(SeO3)4

✍ Scribed by William T.A. Harrison; Zhanghua Zhang

Publisher
Elsevier Science
Year
1997
Tongue
English
Weight
262 KB
Volume
133
Category
Article
ISSN
0022-4596

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✦ Synopsis

Synthetic La 2 Cu(SeO 3 ) 4 is built up from infinite anionic sheets of square-planar CuO 4 and pyramidal SeO 3 groups, connected ia Cu-O-Se bonds. Ten-coordinate La III species and a second selenite group complete the structure. La 2 Cu(SeO ) 4 is isostructural with Bi 2 Cu(SeO 3 ) 4 -II. Crystal data: La 2 Cu(SeO 3 ) 4 , M r ‫؍‬ 849.19, monoclinic, space group P2 1 /c (No. 14), a ‫؍‬ 10.512(1) A s , b ‫؍‬ 7.136(1) A s , c ‫؍‬ 8.431(1) A s , ‫؍‬ 110.610(8)Β°, V ‫؍‬ 591.9(2) A s , Z ‫؍‬ 2, R(F) ‫؍‬ 2.89%, R w (F) ‫؍‬ 2.89% [899 observed reflections with I > 3 (I)].

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