Ni2Si Wyckoff R W G Crystal Structures 1 (1963) 298-306 Second edition. Interscience Publishers, New York, New York _database_code_amcsd 0011889 7.03 4.99 3.72 90 90 90 Pbnm atom x y z Si .614 .714 .25 Ni1 .203 .042 .25 Ni2 .563 .175 .25