Arsenic
Schiferl D, Barrett CS
Journal of Applied Crystallography 2 (1969) 30-36
The crystal structure of arsenic at 4.2, 78 and 299 K
Sample: T = 78 K
_database_code_amcsd 0012834
3.7595 3.7595 10.4573 90 90 120 R-3m
atom x y      z Biso
As   0 0 .22754 .321