GaN Wyckoff R W G Crystal Structures 1 (1963) 85-237 Second edition. Interscience Publishers, New York, New York Note: wurtzite structure _database_code_amcsd 0011546 3.180 3.180 5.166 90 90 120 P6_3mc atom x y z Ga 1/3 2/3 0 N 1/3 2/3 .385