InSe Wyckoff R W G Crystal Structures 1 (1963) 85-237 Second edition. Interscience Publishers, New York, New York _database_code_amcsd 0011645 4.05 4.05 16.93 90 90 120 P6_3/mmc atom x y z In 1/3 2/3 .157 Se 1/3 2/3 .602