The crystal structure described by PrAgAs2 crystallizes in the orthorhombic Pnma space group. Pr(1) is bonded in a 8-coordinate geometry to four equivalent As(1) and four equivalent As(2) atoms. Ag(1) is bonded to four equivalent As(1) atoms to form a mixture of distorted corner and edge-sharing AgAs4 cuboctahedra. There are two inequivalent As sites. In the first As site, As(1) is bonded in a 8-coordinate geometry to four equivalent Pr(1) and four equivalent Ag(1) atoms. In the second As site, As(2) is bonded in a 6-coordinate geometry to four equivalent Pr(1) and two equivalent As(2) atoms. is represented by the CIF file [CIF]
data_PrAgAs2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.047
_cell_length_b   4.104
_cell_length_c   21.462
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   356.489
_cell_formula_units_Z   4
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  0.250  0.775  0.615  1.0
  Pr  Pr1  1  0.750  0.225  0.385  1.0
  Pr  Pr2  1  0.750  0.275  0.885  1.0
  Pr  Pr3  1  0.250  0.725  0.115  1.0
  Ag  Ag4  1  0.250  0.224  0.250  1.0
  Ag  Ag5  1  0.750  0.724  0.250  1.0
  Ag  Ag6  1  0.750  0.776  0.750  1.0
  Ag  Ag7  1  0.250  0.276  0.750  1.0
  As  As8  1  0.250  0.776  0.837  1.0
  As  As9  1  0.750  0.224  0.163  1.0
  As  As10  1  0.750  0.276  0.663  1.0
  As  As11  1  0.250  0.724  0.337  1.0
  As  As12  1  0.250  0.304  0.502  1.0
  As  As13  1  0.250  0.196  0.002  1.0
  As  As14  1  0.750  0.804  0.998  1.0
  As  As15  1  0.750  0.696  0.498  1.0
[/CIF]
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The crystal structure described by PrAgAs2 crystallizes in the orthorhombic Pnma space group. Pr(1) is bonded in a 8-coordinate geometry to four equivalent As(1) and four equivalent As(2) atoms. Ag(1) is bonded to four equivalent As(1) atoms to form a mixture of distorted corner and edge-sharing AgAs4 cuboctahedra. There are two inequivalent As sites. In the first As site, As(1) is bonded in a 8-coordinate geometry to four equivalent Pr(1) and four equivalent Ag(1) atoms. In the second As site, As(2) is bonded in a 6-coordinate geometry to four equivalent Pr(1) and two equivalent As(2) atoms. is represented by the CIF file [CIF]
data_PrAgAs2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.047
_cell_length_b   4.104
_cell_length_c   21.462
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   356.489
_cell_formula_units_Z   4
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  0.250  0.775  0.615  1.0
  Pr  Pr1  1  0.750  0.225  0.385  1.0
  Pr  Pr2  1  0.750  0.275  0.885  1.0
  Pr  Pr3  1  0.250  0.725  0.115  1.0
  Ag  Ag4  1  0.250  0.224  0.250  1.0
  Ag  Ag5  1  0.750  0.724  0.250  1.0
  Ag  Ag6  1  0.750  0.776  0.750  1.0
  Ag  Ag7  1  0.250  0.276  0.750  1.0
  As  As8  1  0.250  0.776  0.837  1.0
  As  As9  1  0.750  0.224  0.163  1.0
  As  As10  1  0.750  0.276  0.663  1.0
  As  As11  1  0.250  0.724  0.337  1.0
  As  As12  1  0.250  0.304  0.502  1.0
  As  As13  1  0.250  0.196  0.002  1.0
  As  As14  1  0.750  0.804  0.998  1.0
  As  As15  1  0.750  0.696  0.498  1.0
[/CIF]
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