The present volume continues the aim of Structure Reports to present critical accounts of all crystallographic structure determinations. The increase in the number of crystal structure papers (now about 2000 per year in the Organic Section) has prompted a minor change in format, which increases the information density per page, hopefully without any loss of clarity. Details of the arrangement in the volumes, symbols used etc. are given in previous volumes (e.g. 41B or 42A, pages vi-viii). University of British Columbia 1. TROTIER Vancouver, Canada 15 July 1978 [VI] STRUCTURE REPORTS SECTION I METALS Edited by L. D. Calvert (National Research Council of Canada) with the assistance 0/ J.K.Byron F.L.Lee YuWang [1] 2 ARRANGEMENT As in previous volumes the arrangement in the Metals section is approximately, but not strictly, alphabetical, and to find particular substances the subject index or formula index should be used. 3 ALKALINE-EARTH ANTIMONIDES and BISMUTHIDES A B. A B (A = Ba. Sr; B = Bi. Sb) 2 5 3 B. EISENMANN and K. DELLER. 1975. Z. Naturf .* 30B. 66-72. A2B. Tetragonal. La2Sb type (1). I4/mmm. Z = 4. Mo radiation. photographic data. Atoms are placed A(l) in 4(c):-0.1/2.0; A(2) and B in 4(e): O.O.z. ASB3. Hexagonal. MnSSi3 type (2). P63/mcm. Z = 2. Mo radiation. diffractometer data. Atoms are placed A(l) in-4(d): 1/3.2/3.0; A(2) and B in 6(g): x.0.l/4.
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