data_global
_chemical_name_mineral 'Sulfur'
loop_
_publ_author_name
'Debaerdemaeker T'
'Kutoglu A'
_journal_name_full 'Crystal Structure Communications'
_journal_volume 3 
_journal_year 1974
_journal_page_first 611
_journal_page_last 613
_publ_section_title
;
 Cyclooctadecasulfur, S18 (beta)
 Note: beta phase
;
_database_code_amcsd 0012330
_chemical_compound_source 'Synthetic'
_chemical_formula_sum 'S'
_cell_length_a 10.75
_cell_length_b 7.25
_cell_length_c 12.25
_cell_angle_alpha 90
_cell_angle_beta 92.3
_cell_angle_gamma 90
_cell_volume 953.965
_exptl_crystal_density_diffrn      2.009
_symmetry_space_group_name_H-M 'P 1 21/n 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2-y,1/2+z'
  '1/2-x,1/2+y,1/2-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
S1   0.80710   0.08340   0.09470   0.04091
S2   0.21010   0.01890   0.06450   0.03724
S3   0.10260   0.25360   0.06690   0.04357
S4   0.21370   0.45910   0.00890   0.04420
S5   0.31500   0.56380   0.14570   0.04737
S6   0.49320   0.45130   0.15100   0.05028
S7   0.48530   0.22650   0.25820   0.04255
S8   0.51090  -0.00140   0.15980   0.04597
S9   0.69580  -0.07770   0.19060   0.04129