Graphite Fayos J Journal of Solid State Chemistry 148 (1999) 278-285 Possible 3D carbon structures as progressive intermediates in graphite to diamond phase transition Note: mathematical model, phase: gra_crbl33_bo _database_code_amcsd 0013980 4.525 5.334 5.925 90 90 90 Cmmm atom x y z C1 0 .1382 .2303 C2 .25 0 .1230