CuBr Hull S, Keen D A Physical Review B50 (1994) 5868-5885 High-pressure polymorphism of the copper(I) halides: A neutron-diffraction study to ~10 GPa Note: P = 5.08 GPa Note: known as CuBr-IV _database_code_amcsd 0015192 3.9397 3.9397 5.0033 90 90 90 P4/nmm atom x y z Biso Cu 0 0 0 2.78 Br 0 .5 .2927 1.05