AM_Carbon_5 Formula: C5 Name: Carbon Unit cell: 2.5221 2.5221 30.8893 90.0 90.0 120.0 , V=170.16 Space group: R-3M (166)

Ownby P D , Yang X , Liu J , Journal of the American Ceramic Society , 75 (1992) p.1876-1883, Calculated X-ray diffraction data for diamond polytypes, Note: rhombohedral, 15R structure, Note: theoretically calculated structure values