data_global
_chemical_name_mineral 'Rasvumite'
loop_
_publ_author_name
'Clark J R'
'Brown G E'
_journal_name_full 'American Mineralogist'
_journal_volume 65 
_journal_year 1980
_journal_page_first 477
_journal_page_last 482
_publ_section_title
;
 Crystal structure of rasvumite, KFe2S3
;
_database_code_amcsd 0000782
_chemical_formula_sum 'K Fe2 S3'
_cell_length_a 9.049
_cell_length_b 11.019
_cell_length_c 5.431
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 541.530
_exptl_crystal_density_diffrn      3.029
_symmetry_space_group_name_H-M 'C m c m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  'x,-y,1/2+z'
  '1/2+x,1/2-y,1/2+z'
  '-x,y,1/2-z'
  '1/2-x,1/2+y,1/2-z'
  '-x,y,z'
  '1/2-x,1/2+y,z'
  'x,-y,-z'
  '1/2+x,1/2-y,-z'
  'x,y,1/2-z'
  '1/2+x,1/2+y,1/2-z'
  '-x,-y,1/2+z'
  '1/2-x,1/2-y,1/2+z'
  '-x,-y,-z'
  '1/2-x,1/2-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
K   0.50000   0.16990   0.25000   0.02951
Fe   0.35020   0.50000   0.00000   0.01494
S1   0.50000   0.61910   0.25000   0.01469
S2   0.21740   0.38590   0.25000   0.02204