data_[Sr2Co2Ni2As4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Co  1.8800  1.3500  0.7683
  Ni  1.9100  1.3500  0.7400
  As  2.1800  1.1500  0.6600
]
_symmetry_space_group_name_H-M [I-4m2]
_cell_length_a [4.0404]
_cell_length_b [4.0404]
_cell_length_c [11.3306]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [119]
_chemical_formula_structural [SrCoNiAs2]
_chemical_formula_sum '[Sr2 Co2 Ni2 As4]'
_cell_volume [184.9729]
_cell_formula_units_Z [2]
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
[
  Sr  Sr0  2  0.0000  0.0000  0.0000  1.0
  Co  Co1  2  0.0000  0.5000  0.2500  1.0
  Ni  Ni2  2  0.0000  0.5000  0.7500  1.0
  As  As3  4  0.0000  0.0000  0.3561  1.0
]