AM_Chlorine_3 Formula: Cl Name: Chlorine Unit cell: 6.2235 4.4561 8.1785 90.0 90.0 90.0 , V=226.81 Space group: CMCA (64)

Powell B M , Heal K M , Torrie B H , Molecular Physics , 53 (1984) p.929-939, The temperature dependence of the crystal structures of the solid halogens,, bromine and chlorine, Locality: synthetic, Sample: at T = 100 K