AM_Selenium_13
Formula: Se
Name: Selenium
Unit cell: 4.3662 4.3662 4.9536 90.0 90.0 120.0 , V=81.78
Space group: P3121 (152)

Cherin P , Unger P , Inorganic Chemistry , 6 (1967) p.1589-1591, The crystal structure of trigonal selenium, Locality: synthetic