Nantokite 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 = 5.52 GPa Note: known as CuCl-IV _database_code_amcsd 0015186 6.4162 6.4162 6.4162 90 90 90 Pa3 atom x y z Biso Cu .6297 .6297 .6297 2.11 Cl .1527 .1527 .1527 1.21