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
_database_code_amcsd 0013978
2.461 2.461 6.708 90 90 120 P6_3mc
atom   x   y     z
C1     0   0     0
C2   1/3 2/3 .0050