AM_Selenium_3 Formula: Se Name: Selenium Unit cell: 9.05 9.07 11.61 90.0 90.767 90.0 , V=952.90 Space group: P121/N1 (14)

Wyckoff R W G , Crystal Structures , 1 (1963) p.7-83, Second edition. Interscience Publishers, New York, New York, Sample is the alpha form of the monoclinic phase