data_global
_amcsd_formula_title 'AgCrSe2'
loop_
_publ_author_name
'Engelsman F M R'
'Wiegers G A'
'Jellinek F'
'VanLaar B'
_journal_name_full 'Journal of Solid State Chemistry'
_journal_volume 6 
_journal_year 1973
_journal_page_first 574
_journal_page_last 582
_publ_section_title
;
 Crystal structures and magnetic structures of some metal chromium(III) sulfides and selenides
 Sample: T = 4.2 K
;
_database_code_amcsd 0013308
_chemical_compound_source 'Synthetic'
_chemical_formula_sum 'Ag Cr Se2'
_cell_length_a 3.6898
_cell_length_b 3.6898
_cell_length_c 21.0240
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 247.886
_exptl_crystal_density_diffrn      6.386
_symmetry_space_group_name_H-M 'R 3 m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '2/3+x,1/3+y,1/3+z'
  '1/3+x,2/3+y,2/3+z'
  'x,x-y,z'
  '2/3+x,1/3+x-y,1/3+z'
  '1/3+x,2/3+x-y,2/3+z'
  '-y,-x,z'
  '2/3-y,1/3-x,1/3+z'
  '1/3-y,2/3-x,2/3+z'
  '-x+y,y,z'
  '2/3-x+y,1/3+y,1/3+z'
  '1/3-x+y,2/3+y,2/3+z'
  '-y,x-y,z'
  '2/3-y,1/3+x-y,1/3+z'
  '1/3-y,2/3+x-y,2/3+z'
  '-x+y,-x,z'
  '2/3-x+y,1/3-x,1/3+z'
  '1/3-x+y,2/3-x,2/3+z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Ag   0.00000   0.00000   0.15180
Cr   0.00000   0.00000   0.00000
Se1   0.00000   0.00000   0.26940
Se2   0.00000   0.00000   0.73350