AM_Na2Se
Formula: Na2 Se
Name: Na2Se
Unit cell: 6.809 6.809 6.809 90.0 90.0 90.0 , V=315.68
Space group: FM3M (225)

Wyckoff R W G , Crystal Structures , 1 (1963) p.239-444, Second edition. Interscience Publishers, New York, New York, Anti-fluorite structure