The crystal structure of U2Ni12As7 has been solved from the single-crystal
X-roy data (KM-4 diffractometer, Mo K alpha radiation) and refined to R=0.0
39 for 781 unique reflections and 44 variables. The compound crystallizes i
n a hexagonal system, space group P-6, with the Zr2Fe12P7-type unit cell an
d the lattice parameters: a=9.378(1) Angstrom and c=3.838(1) Angstrom. (C)
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