Ce Ir3 Si2 Verniere A, Lejay P, Bordet P, Chenavas J, Tholence J, Boucherle J, Keller N Journal of Alloys and Compounds 218 (1995) 197-203 Crystal structure and physical properties of new ternary silicides R4T13X9 (R, rare earth or uranium; T, rhodium or iridium; X, silicon or germanium) _cod_database_code 1008679 _database_code_amcsd 0016565 7.1838 9.7373 5.6018 90 90 90 Imma atom x y z U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Ce1 0 .25 .7201 .0071 .0104 .0052 .0015 0 0 Ir1 .2817 0 0 .0073 .0076 .0051 0 0 0 Ir2 .25 .25 .25 .0061 .0085 .0052 0 0 0 Si1 0 .0749 .1956 .0041 .0060 .0029 .0000 0 0