BN Brager A Acta Physicochimica 7 (1937) 699-706 An X-ray examination of the structure of boron nitride _cod_database_code 1010602 _database_code_amcsd 0017485 2.51 2.51 6.69 90 90 120 P-6 atom x y z B1 0 0 .5 B2 1/3 2/3 0 N1 0 0 0 N2 2/3 1/3 .5