Selenium
Wyckoff R W G
Crystal Structures 1 (1963) 7-83
Second edition. Interscience Publishers, New York, New York
Sample is the alpha form of the monoclinic phase
_database_code_amcsd 0011259
9.05 9.07 11.61 90 90.767 90 P2_1/n
atom     x    y    z
Se1   .321 .486 .237
Se2   .427 .664 .357
Se3   .317 .637 .535
Se4   .134 .820 .556
Se5  -.081 .686 .521
Se6  -.156 .733 .328
Se7  -.084 .520 .229
Se8   .131 .597 .134