AM_Manganese-delta
Formula: Mn
Name: Manganese-delta
Unit cell: 3.081 3.081 3.081 90.0 90.0 90.0 , V=29.25
Space group: IM3M (229)

Wyckoff R W G , Crystal Structures , 1 (1963) p.7-83, Second edition. Interscience Publishers, New York, New York, Sample at T = 1140 C, stable till melting point at 1245 C