data_global
_chemical_name_mineral 'Heazlewoodite'
loop_
_publ_author_name
'Westgren A'
_journal_name_full 'Zeitschrift fur Anorganische und Allgemeine Chemie'
_journal_volume 239 
_journal_year 1938
_journal_page_first 82
_journal_page_last 84
_publ_section_title
;
 Die Kristallstruktur von Ni3 S2
 _cod_database_code 1011250
;
_database_code_amcsd 0018112
_chemical_formula_sum 'Ni3 S2'
_cell_length_a 4.049
_cell_length_b 4.049
_cell_length_c 4.049
_cell_angle_alpha 90.3
_cell_angle_beta 90.3
_cell_angle_gamma 90.3
_cell_volume 66.378
_exptl_crystal_density_diffrn      6.009
_symmetry_space_group_name_H-M 'R 3 2'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '-x,-z,-y'
  'z,x,y'
  '-y,-x,-z'
  'y,z,x'
  '-z,-y,-x'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Ni1   0.50000   0.25000  -0.25000
S1   0.25000   0.25000   0.25000