AM_Niggliite
Formula: Pt Sn
Name: Niggliite
Unit cell: 4.103 4.103 5.428 90.0 90.0 120.0 , V=79.14
Space group: P63MC (186)

Wyckoff R W G , Crystal Structures , 1 (1963) p.85-237, Second edition. Interscience Publishers, New York, New York, Note: ideal nickel arsenide structure