The material described by AgZnLaP2 crystallizes in the trigonal P3m1 space group. La(1) is bonded to three equivalent P(1) and three equivalent P(2) atoms to form distorted LaP6 octahedra that share corners with six equivalent Ag(1)P4 tetrahedra, corners with six equivalent Zn(1)P4 tetrahedra, edges with six equivalent La(1)P6 octahedra, edges with three equivalent Ag(1)P4 tetrahedra, and edges with three equivalent Zn(1)P4 tetrahedra. Ag(1) is bonded to one P(1) and three equivalent P(2) atoms to form distorted AgP4 tetrahedra that share corners with six equivalent La(1)P6 octahedra, corners with six equivalent Ag(1)P4 tetrahedra, edges with three equivalent La(1)P6 octahedra, and edges with three equivalent Zn(1)P4 tetrahedra. The corner-sharing octahedral tilt angles range from 17-53°. Zn(1) is bonded to one P(2) and three equivalent P(1) atoms to form distorted ZnP4 tetrahedra that share corners with six equivalent La(1)P6 octahedra, corners with six equivalent Zn(1)P4 tetrahedra, edges with three equivalent La(1)P6 octahedra, and edges with three equivalent Ag(1)P4 tetrahedra. The corner-sharing octahedral tilt angles range from 18-56°. There are two inequivalent P sites. In the first P site, P(1) is bonded to three equivalent La(1), one Ag(1), and three equivalent Zn(1) atoms to form distorted PLa3Zn3Ag pentagonal bipyramids that share corners with three equivalent P(2)La3ZnAg3 pentagonal bipyramids, edges with six equivalent P(1)La3Zn3Ag pentagonal bipyramids, and edges with six equivalent P(2)La3ZnAg3 pentagonal bipyramids. In the second P site, P(2) is bonded to three equivalent La(1), three equivalent Ag(1), and one Zn(1) atom to form distorted PLa3ZnAg3 pentagonal bipyramids that share corners with three equivalent P(1)La3Zn3Ag pentagonal bipyramids, edges with six equivalent P(1)La3Zn3Ag pentagonal bipyramids, and edges with six equivalent P(2)La3ZnAg3 pentagonal bipyramids. is represented by the CIF file [CIF]
data_LaZnAgP2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.229
_cell_length_b   4.229
_cell_length_c   6.865
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   106.346
_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
  La  La0  1  0.667  0.333  0.013  1.0
  Zn  Zn1  1  0.333  0.667  0.625  1.0
  Ag  Ag2  1  0.000  0.000  0.361  1.0
  P  P3  1  0.000  0.000  0.747  1.0
  P  P4  1  0.333  0.667  0.254  1.0
[/CIF]
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The material described by AgZnLaP2 crystallizes in the trigonal P3m1 space group. La(1) is bonded to three equivalent P(1) and three equivalent P(2) atoms to form distorted LaP6 octahedra that share corners with six equivalent Ag(1)P4 tetrahedra, corners with six equivalent Zn(1)P4 tetrahedra, edges with six equivalent La(1)P6 octahedra, edges with three equivalent Ag(1)P4 tetrahedra, and edges with three equivalent Zn(1)P4 tetrahedra. Ag(1) is bonded to one P(1) and three equivalent P(2) atoms to form distorted AgP4 tetrahedra that share corners with six equivalent La(1)P6 octahedra, corners with six equivalent Ag(1)P4 tetrahedra, edges with three equivalent La(1)P6 octahedra, and edges with three equivalent Zn(1)P4 tetrahedra. The corner-sharing octahedral tilt angles range from 17-53°. Zn(1) is bonded to one P(2) and three equivalent P(1) atoms to form distorted ZnP4 tetrahedra that share corners with six equivalent La(1)P6 octahedra, corners with six equivalent Zn(1)P4 tetrahedra, edges with three equivalent La(1)P6 octahedra, and edges with three equivalent Ag(1)P4 tetrahedra. The corner-sharing octahedral tilt angles range from 18-56°. There are two inequivalent P sites. In the first P site, P(1) is bonded to three equivalent La(1), one Ag(1), and three equivalent Zn(1) atoms to form distorted PLa3Zn3Ag pentagonal bipyramids that share corners with three equivalent P(2)La3ZnAg3 pentagonal bipyramids, edges with six equivalent P(1)La3Zn3Ag pentagonal bipyramids, and edges with six equivalent P(2)La3ZnAg3 pentagonal bipyramids. In the second P site, P(2) is bonded to three equivalent La(1), three equivalent Ag(1), and one Zn(1) atom to form distorted PLa3ZnAg3 pentagonal bipyramids that share corners with three equivalent P(1)La3Zn3Ag pentagonal bipyramids, edges with six equivalent P(1)La3Zn3Ag pentagonal bipyramids, and edges with six equivalent P(2)La3ZnAg3 pentagonal bipyramids. is represented by the CIF file [CIF]
data_LaZnAgP2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.229
_cell_length_b   4.229
_cell_length_c   6.865
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   106.346
_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
  La  La0  1  0.667  0.333  0.013  1.0
  Zn  Zn1  1  0.333  0.667  0.625  1.0
  Ag  Ag2  1  0.000  0.000  0.361  1.0
  P  P3  1  0.000  0.000  0.747  1.0
  P  P4  1  0.333  0.667  0.254  1.0
[/CIF]
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