AM_Selenium_6
Formula: Se
Name: Selenium
Unit cell: 4.052 4.052 5.038 90.0 90.0 120.0 , V=71.64
Space group: P3121 (152)

Keller R , Holzapfel W B , Schulz H , Physical Review B , 16 (1977) p.4404-4412, Effect of pressure on the atom positions in Se and Te, Locality: synthetic, Sample: at P = 2.58 GPa, Note: known as alpha phase with trigonal structure