AM_Calcite_10 Formula: Ca C O3 Name: Calcite Unit cell: 5.0492 5.0492 17.343 90.0 90.0 120.0 , V=382.91 Space group: R-3C (167)

Prencipe M , Pascale F , Zicovich-Wilson C M , Saunders V R , Orlando R , Dovesi R , Physics and Chemistry of Minerals , 31 (2004) p.559-564, The vibrational spectrum of calcite (CaCO3): an ab initio, quantum-mechanical calculation, Note: Theoretically derived structure