Nierite Billy M, Labbe J, Selvaraj A, Roult G Materials Research Bulletin 18 (1983) 921-934 Modifications structurales du nitrure de silicium en fonction de la temperature _cod_database_code 1001240 _database_code_amcsd 0014303 7.7696 7.7696 5.6318 90 90 120 P31c atom x y z N1 0 0 .5 N2 1/3 2/3 .6402 N3 .657 .6128 .4648 N4 .3128 .3159 .7356 Si1 .0805 .5093 .6914 Si2 .2535 .1693 .4709