The structure described by PrAgSi2 crystallizes in the orthorhombic Cmcm space group. Pr(1) is bonded in a 14-coordinate geometry to four equivalent Ag(1), four equivalent Si(2), and six equivalent Si(1) atoms. Ag(1) is bonded in a 12-coordinate geometry to four equivalent Pr(1), four equivalent Ag(1), and four equivalent Si(2) atoms. There are two inequivalent Si sites. In the first Si site, Si(1) is bonded in a 9-coordinate geometry to six equivalent Pr(1), one Si(2), and two equivalent Si(1) atoms. In the second Si site, Si(2) is bonded in a 9-coordinate geometry to four equivalent Pr(1), four equivalent Ag(1), and one Si(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_PrSi2Ag
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.257
_cell_length_b   4.282
_cell_length_c   8.998
_cell_angle_alpha   103.766
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   159.346
_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
  Pr  Pr0  1  0.250  0.402  0.805  1.0
  Pr  Pr1  1  0.750  0.598  0.195  1.0
  Si  Si2  1  0.250  0.032  0.064  1.0
  Si  Si3  1  0.750  0.968  0.936  1.0
  Si  Si4  1  0.250  0.165  0.330  1.0
  Si  Si5  1  0.750  0.835  0.670  1.0
  Ag  Ag6  1  0.250  0.748  0.496  1.0
  Ag  Ag7  1  0.750  0.252  0.504  1.0
[/CIF]
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The structure described by PrAgSi2 crystallizes in the orthorhombic Cmcm space group. Pr(1) is bonded in a 14-coordinate geometry to four equivalent Ag(1), four equivalent Si(2), and six equivalent Si(1) atoms. Ag(1) is bonded in a 12-coordinate geometry to four equivalent Pr(1), four equivalent Ag(1), and four equivalent Si(2) atoms. There are two inequivalent Si sites. In the first Si site, Si(1) is bonded in a 9-coordinate geometry to six equivalent Pr(1), one Si(2), and two equivalent Si(1) atoms. In the second Si site, Si(2) is bonded in a 9-coordinate geometry to four equivalent Pr(1), four equivalent Ag(1), and one Si(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_PrSi2Ag
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.257
_cell_length_b   4.282
_cell_length_c   8.998
_cell_angle_alpha   103.766
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   159.346
_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
  Pr  Pr0  1  0.250  0.402  0.805  1.0
  Pr  Pr1  1  0.750  0.598  0.195  1.0
  Si  Si2  1  0.250  0.032  0.064  1.0
  Si  Si3  1  0.750  0.968  0.936  1.0
  Si  Si4  1  0.250  0.165  0.330  1.0
  Si  Si5  1  0.750  0.835  0.670  1.0
  Ag  Ag6  1  0.250  0.748  0.496  1.0
  Ag  Ag7  1  0.750  0.252  0.504  1.0
[/CIF]
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