H:
K:
L:
Thickness of slab parallel to HKL plane:
0 Å
10 Å
CIF file
#(C) 2022 by FIZ Karlsruhe - Leibniz Institute for Information Infrastructure. All rights reserved. data_30606-ICSD _database_code_ICSD 30606 _audit_creation_date 1980-01-01 _audit_update_record 2006-04-01 _chemical_name_common 'Selenium - alpha' _chemical_formula_structural Se _chemical_formula_sum Se1 _chemical_name_structure_type β−Se _exptl_crystal_density_diffrn 4.4 _citation_title 'The crystal structure of alpha-monoclinic selenium' loop_ _citation_id _citation_journal_full _citation_year _citation_journal_volume _citation_page_first _citation_page_last _citation_journal_id_ASTM primary 'Acta Crystallographica' 1951 4 140 148 ACCRA9 loop_ _citation_author_citation_id _citation_author_name primary 'Burbank, R.D.' _cell_length_a 9.05(1) _cell_length_b 9.07(1) _cell_length_c 11.61(1) _cell_angle_alpha 90. _cell_angle_beta 90.77(8) _cell_angle_gamma 90. _cell_volume 952.9 _cell_formula_units_Z 32 _space_group_name_H-M_alt 'P 1 21/n 1' _space_group_IT_number 14 loop_ _space_group_symop_id _space_group_symop_operation_xyz 1 '-x+1/2, y+1/2, -z+1/2' 2 '-x, -y, -z' 3 'x+1/2, -y+1/2, z+1/2' 4 'x, y, z' loop_ _atom_type_symbol _atom_type_oxidation_number Se0+ 0 loop_ _atom_site_label _atom_site_type_symbol _atom_site_symmetry_multiplicity _atom_site_Wyckoff_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_B_iso_or_equiv _atom_site_occupancy Se1 Se0+ 4 e 0.321 0.486 0.237 2.1 1. Se2 Se0+ 4 e 0.427 0.664 0.357 2.1 1. Se3 Se0+ 4 e 0.317 0.637 0.535 2.1 1. Se4 Se0+ 4 e 0.134 0.82 0.556 2.1 1. Se5 Se0+ 4 e -.081 0.686 0.521 2.1 1. Se6 Se0+ 4 e -.156 0.733 0.328 2.1 1. Se7 Se0+ 4 e -.084 0.52 0.229 2.1 1. Se8 Se0+ 4 e 0.131 0.597 0.134 2.1 1. #End of TTdata_30606-ICSD