data_global
_chemical_name_mineral 'Langisite'
loop_
_publ_author_name
'Fjellvag H'
'Selte K'
'Stave F E'
_journal_name_full 'Acta Chemica Scandinavica'
_journal_volume A38 
_journal_year 1984
_journal_page_first 687
_journal_page_last 691
_publ_section_title
;
 On the structural and magnetic properties of Co1-tNitAs and CoAs1-xSbx
;
_database_code_amcsd 0011970
_chemical_compound_source 'Synthetic'
_chemical_formula_sum '(Co.9 Ni.1) As'
_cell_length_a 5.16
_cell_length_b 3.54
_cell_length_c 5.87
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 107.224
_exptl_crystal_density_diffrn      8.290
_symmetry_space_group_name_H-M 'P n m a'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,1/2-y,z'
  '-x,1/2+y,-z'
  '1/2-x,1/2+y,1/2+z'
  '1/2+x,1/2-y,1/2-z'
  '1/2+x,y,1/2-z'
  '1/2-x,-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_occupancy
Co   0.01110   0.25000   0.20490   0.90000
Ni   0.01110   0.25000   0.20490   0.10000
As   0.21170   0.25000   0.57000   1.00000