Ba2 Ca Cr2 Cu F14 Qiang X, Darriet J, Tressaud A, Soubeyroux J, Hagenmuller P Materials Research Bulletin 23 (1988) 637-645 New heteronuclear trimers in fluorides with Usovite-type structure _cod_database_code 1008380 _database_code_amcsd 0016289 13.724 5.314 14.702 90 91.47 90 C2/c atom x y z Ba1 .192 -.064 .118 Cr1 .372 .480 .125 Ca1 0 .436 .25 Cu1 0 .5 0 F1 .158 .198 .272 F2 .413 .292 .021 F3 .378 .200 .209 F4 .369 .227 .547 F5 .504 .417 .652 F6 .243 .418 .091 F7 .444 .049 .384