data_1008978
_chemical_name_systematic          'Chromium nickel arsenide (1/1/1)'
_chemical_formula_structural       'Cr Ni As'
_chemical_formula_sum              'As Cr Ni'
_publ_section_title
;
Evolution structurale des phosphures, arseniures et arseniophophures M2
P, M2 As et M2 (P1-x Asx)
;
loop_
_publ_author_name
  'Nylund, M A'
  'Roger, A'
  'Senateur, J P'
  'Fruchart, R'
_journal_name_full                 'Journal of Solid State Chemistry'
_journal_coden_ASTM                JSSCBI
_journal_volume                    4
_journal_year                      1972
_journal_page_first                115
_journal_page_last                 122
_cell_length_a                     6.102(2)
_cell_length_b                     6.102
_cell_length_c                     3.654(1)
_cell_angle_alpha                  90
_cell_angle_beta                   90
_cell_angle_gamma                  120
_cell_volume                       117.8
_cell_formula_units_Z              3
_symmetry_space_group_name_H-M     'P -6 2 m'
_symmetry_Int_Tables_number        189
_symmetry_cell_setting             hexagonal
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  '-y,x-y,z'
  'y-x,-x,z'
  'x,y,-z'
  '-y,x-y,-z'
  'y-x,-x,-z'
  'y,x,z'
  'x-y,-y,z'
  '-x,y-x,z'
  'y,x,-z'
  'x-y,-y,-z'
  '-x,y-x,-z'
loop_
_atom_type_symbol
_atom_type_oxidation_number
  Ni0    0.000
  Cr0    0.000
  As0    0.000
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_symmetry_multiplicity
_atom_site_Wyckoff_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_attached_hydrogens
_atom_site_calc_flag
  Ni1   Ni0    3 f 0.2515 0. 0. 1.  0 d
  Cr1   Cr0    3 g 0.5729 0. 0.5 1.  0 d
  As1   As0    1 b 0. 0. 0.5 1.  0 d
  As2   As0    2 c 0.3333 0.6667 0. 1.  0 d