The material structure described by Pm3Zn is Uranium Silicide-like structured and crystallizes in the tetragonal I4/mmm space group. There are two inequivalent Pm sites. In the first Pm site, Pm(1) is bonded to four equivalent Pm(1), four equivalent Pm(2), and four equivalent Zn(1) atoms to form distorted PmPm8Zn4 cuboctahedra that share corners with twelve equivalent Pm(1)Pm8Zn4 cuboctahedra, edges with eight equivalent Pm(1)Pm8Zn4 cuboctahedra, edges with eight equivalent Zn(1)Pm12 cuboctahedra, faces with four equivalent Zn(1)Pm12 cuboctahedra, and faces with ten equivalent Pm(1)Pm8Zn4 cuboctahedra. In the second Pm site, Pm(2) is bonded in a distorted square co-planar geometry to eight equivalent Pm(1) and four equivalent Zn(1) atoms. Zn(1) is bonded to four equivalent Pm(2) and eight equivalent Pm(1) atoms to form ZnPm12 cuboctahedra that share corners with four equivalent Zn(1)Pm12 cuboctahedra, edges with eight equivalent Zn(1)Pm12 cuboctahedra, edges with sixteen equivalent Pm(1)Pm8Zn4 cuboctahedra, faces with four equivalent Zn(1)Pm12 cuboctahedra, and faces with eight equivalent Pm(1)Pm8Zn4 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_Pm3Zn
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.039
_cell_length_b   6.039
_cell_length_c   6.039
_cell_angle_alpha   133.395
_cell_angle_beta   133.395
_cell_angle_gamma   68.035
_symmetry_Int_Tables_number   1
_cell_volume   114.247
_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
  Pm  Pm0  1  0.750  0.250  0.500  1.0
  Pm  Pm1  1  0.250  0.750  0.500  1.0
  Pm  Pm2  1  0.500  0.500  0.000  1.0
  Zn  Zn3  1  0.000  0.000  0.000  1.0
[/CIF]
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The material structure described by Pm3Zn is Uranium Silicide-like structured and crystallizes in the tetragonal I4/mmm space group. There are two inequivalent Pm sites. In the first Pm site, Pm(1) is bonded to four equivalent Pm(1), four equivalent Pm(2), and four equivalent Zn(1) atoms to form distorted PmPm8Zn4 cuboctahedra that share corners with twelve equivalent Pm(1)Pm8Zn4 cuboctahedra, edges with eight equivalent Pm(1)Pm8Zn4 cuboctahedra, edges with eight equivalent Zn(1)Pm12 cuboctahedra, faces with four equivalent Zn(1)Pm12 cuboctahedra, and faces with ten equivalent Pm(1)Pm8Zn4 cuboctahedra. In the second Pm site, Pm(2) is bonded in a distorted square co-planar geometry to eight equivalent Pm(1) and four equivalent Zn(1) atoms. Zn(1) is bonded to four equivalent Pm(2) and eight equivalent Pm(1) atoms to form ZnPm12 cuboctahedra that share corners with four equivalent Zn(1)Pm12 cuboctahedra, edges with eight equivalent Zn(1)Pm12 cuboctahedra, edges with sixteen equivalent Pm(1)Pm8Zn4 cuboctahedra, faces with four equivalent Zn(1)Pm12 cuboctahedra, and faces with eight equivalent Pm(1)Pm8Zn4 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_Pm3Zn
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.039
_cell_length_b   6.039
_cell_length_c   6.039
_cell_angle_alpha   133.395
_cell_angle_beta   133.395
_cell_angle_gamma   68.035
_symmetry_Int_Tables_number   1
_cell_volume   114.247
_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
  Pm  Pm0  1  0.750  0.250  0.500  1.0
  Pm  Pm1  1  0.250  0.750  0.500  1.0
  Pm  Pm2  1  0.500  0.500  0.000  1.0
  Zn  Zn3  1  0.000  0.000  0.000  1.0
[/CIF]
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