MnBi Wyckoff R W G Crystal Structures 1 (1963) 85-237 Second edition. Interscience Publishers, New York, New York Note: ideal nickel arsenide structure _database_code_amcsd 0011577 4.30 4.30 6.12 90 90 120 P6_3mc atom x y z Mn 0 0 0 Bi 1/3 2/3 .25