The material structure described by Pr2ZnAs4 crystallizes in the tetragonal P-4m2 space group. Pr(1) is bonded in a 10-coordinate geometry to two equivalent Zn(1), two equivalent As(2), two equivalent As(3), and four equivalent As(1) atoms. Zn(1) is bonded to four equivalent Pr(1) and four equivalent As(1) atoms to form distorted edge-sharing ZnPr4As4 tetrahedra. There are three inequivalent As sites. In the first As site, As(1) is bonded in a 6-coordinate geometry to four equivalent Pr(1) and two equivalent Zn(1) atoms. In the second As site, As(2) is bonded in a 8-coordinate geometry to four equivalent Pr(1) and four equivalent As(3) atoms. In the third As site, As(3) is bonded in a 8-coordinate geometry to four equivalent Pr(1) and four equivalent As(2) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Pr2ZnAs4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.991
_cell_length_b   3.991
_cell_length_c   10.365
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   165.067
_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
  Pr  Pr0  1  0.500  0.000  0.741  1.0
  Pr  Pr1  1  0.000  0.500  0.259  1.0
  Zn  Zn2  1  0.500  0.500  0.000  1.0
  As  As3  1  0.500  0.000  0.150  1.0
  As  As4  1  0.000  0.500  0.850  1.0
  As  As5  1  0.500  0.500  0.500  1.0
  As  As6  1  0.000  0.000  0.500  1.0
[/CIF]
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The material structure described by Pr2ZnAs4 crystallizes in the tetragonal P-4m2 space group. Pr(1) is bonded in a 10-coordinate geometry to two equivalent Zn(1), two equivalent As(2), two equivalent As(3), and four equivalent As(1) atoms. Zn(1) is bonded to four equivalent Pr(1) and four equivalent As(1) atoms to form distorted edge-sharing ZnPr4As4 tetrahedra. There are three inequivalent As sites. In the first As site, As(1) is bonded in a 6-coordinate geometry to four equivalent Pr(1) and two equivalent Zn(1) atoms. In the second As site, As(2) is bonded in a 8-coordinate geometry to four equivalent Pr(1) and four equivalent As(3) atoms. In the third As site, As(3) is bonded in a 8-coordinate geometry to four equivalent Pr(1) and four equivalent As(2) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Pr2ZnAs4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.991
_cell_length_b   3.991
_cell_length_c   10.365
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   165.067
_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
  Pr  Pr0  1  0.500  0.000  0.741  1.0
  Pr  Pr1  1  0.000  0.500  0.259  1.0
  Zn  Zn2  1  0.500  0.500  0.000  1.0
  As  As3  1  0.500  0.000  0.150  1.0
  As  As4  1  0.000  0.500  0.850  1.0
  As  As5  1  0.500  0.500  0.500  1.0
  As  As6  1  0.000  0.000  0.500  1.0
[/CIF]
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