Ce2 Ni15.11 Si1.89 Isnard O, Buschow K Journal of Alloys and Compounds 267 (1998) 50-53 Crystal structure and magnetic properties of the compound Ce2 Ni15 Si2 _cod_database_code 1008884 _database_code_amcsd 0016751 8.275 8.275 12.0643 90 90 120 R-3m atom x y z occ Ce1 0 0 .3396 Ni1 0 0 .0993 Ni2 .5 0 .5 .37 Si1 .5 0 .5 .63 Ni3 .2968 0 0 Ni4 .5027 .4973 .1533