Marshite
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 = 0 GPa
Note: ZnS structure, sphalerite structure
Note: known as CuI-III
_database_code_amcsd 0015180
6.0545 6.0545 6.0545 90 90 90 F-43m
atom   x   y   z Biso
Cu     0   0   0 2.86
I    .25 .25 .25 1.77