data_[Sr1Ac1Mg1Zn1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Ac  1.1000  1.9500  1.2600
  Mg  1.3100  1.5000  0.8600
  Zn  1.6500  1.3500  0.8800
]
_symmetry_space_group_name_H-M [P4mm]
_cell_length_a [4.0042]
_cell_length_b [4.0042]
_cell_length_c [8.1857]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [99]
_chemical_formula_structural [SrAcMgZn]
_chemical_formula_sum '[Sr1 Ac1 Mg1 Zn1]'
_cell_volume [131.2474]
_cell_formula_units_Z [1]
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  1  0.0000  0.0000  0.8738  1
  Ac  Ac1  1  0.0000  0.0000  0.3364  1
  Mg  Mg2  1  0.5000  0.5000  0.6022  1
  Zn  Zn3  1  0.5000  0.5000  0.1157  1
]