AM_Selenium_4 Formula: Se Name: Selenium Unit cell: 12.85 8.07 9.31 90.0 93.133 90.0 , V=964.00 Space group: P121/A1 (14)

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