Selenium
Cherin P, Unger P
Acta Crystallographica B28 (1972) 313-317
Refinement of the crystal structure of alpha-monoclinic Se
Locality: synthetic
Sample: at T = 26 C
Note: structure known as alpha phase
_database_code_amcsd 0009424
9.054 9.083 11.601 90 90.81 90 P2_1/n
atom      x     y     z U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Se1   .3209 .4840 .2362  .0495  .0468  .0584  .0111 -.0077 -.0019
Se2   .4254 .6625 .3569  .0387  .0508  .0700 -.0101 -.0056 -.0041
Se3   .3178 .6376 .5378  .0436  .0497  .0508  .0022 -.0177  .0030
Se4   .1343 .8186 .5529  .0448  .0455  .0588 -.0032 -.0105 -.0016
Se5  -.0862 .6904 .5203  .0400  .0567  .0453 -.0035 -.0001  .0030
Se6  -.1565 .7322 .3294  .0341  .0527  .0576  .0104 -.0100  .0034
Se7  -.0814 .5217 .2290  .0481  .0402  .0487 -.0088 -.0089  .0029
Se8   .1301 .5990 .1337  .0486  .0463  .0456  .0026 -.0060  .0001