The compound described by SrMnZn(PO4)2 crystallizes in the triclinic P-1 space group. Sr(1) is bonded in a 8-coordinate geometry to one O(2), one O(3), one O(4), one O(8), two equivalent O(1), and two equivalent O(6) atoms. Mn(1) is bonded to one O(3), one O(4), one O(5), one O(7), and two equivalent O(8) atoms to form distorted MnO6 octahedra that share corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, corners with three equivalent Zn(1)O4 tetrahedra,  an edgeedge with one Mn(1)O6 octahedra, and  an edgeedge with one P(2)O4 tetrahedra. Zn(1) is bonded to one O(2), one O(4), one O(5), and one O(7) atom to form ZnO4 tetrahedra that share corners with three equivalent Mn(1)O6 octahedra, corners with two equivalent P(1)O4 tetrahedra, and corners with two equivalent P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 58-79°. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(2), one O(3), and one O(7) atom to form PO4 tetrahedra that share corners with two equivalent Mn(1)O6 octahedra and corners with two equivalent Zn(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 52-62°. In the second P site, P(2) is bonded to one O(4), one O(5), one O(6), and one O(8) atom to form PO4 tetrahedra that share corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Zn(1)O4 tetrahedra, and  an edgeedge with one Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-61°. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to two equivalent Sr(1) and one P(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Sr(1), one Zn(1), and one P(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Sr(1), one Mn(1), and one P(1) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Sr(1), one Mn(1), one Zn(1), and one P(2) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Mn(1), one Zn(1), and one P(2) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to two equivalent Sr(1) and one P(2) atom. In the seventh O site, O(7) is bonded in a trigonal non-coplanar geometry to one Mn(1), one Zn(1), and one P(1) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Sr(1), two equivalent Mn(1), and one P(2) atom. is represented by the CIF card [CIF]
data_SrMnZn(PO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.535
_cell_length_b   7.039
_cell_length_c   9.542
_cell_angle_alpha   110.609
_cell_angle_beta   102.033
_cell_angle_gamma   97.907
_symmetry_Int_Tables_number   1
_cell_volume   331.190
_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
  Mn  Mn0  1  0.625  0.836  0.558  1.0
  Mn  Mn1  1  0.375  0.164  0.442  1.0
  O  O2  1  0.804  0.554  0.905  1.0
  O  O3  1  0.196  0.446  0.095  1.0
  O  O4  1  0.665  0.473  0.214  1.0
  O  O5  1  0.335  0.527  0.786  1.0
  O  O6  1  0.672  0.803  0.777  1.0
  O  O7  1  0.328  0.197  0.223  1.0
  O  O8  1  0.959  0.118  0.698  1.0
  O  O9  1  0.041  0.882  0.302  1.0
  O  O10  1  0.010  0.755  0.581  1.0
  O  O11  1  0.990  0.245  0.419  1.0
  O  O12  1  0.262  0.996  0.867  1.0
  O  O13  1  0.738  0.004  0.133  1.0
  O  O14  1  0.357  0.575  0.384  1.0
  O  O15  1  0.643  0.425  0.616  1.0
  O  O16  1  0.616  0.946  0.359  1.0
  O  O17  1  0.384  0.054  0.641  1.0
  P  P18  1  0.388  0.419  0.225  1.0
  P  P19  1  0.612  0.581  0.775  1.0
  P  P20  1  0.838  0.019  0.299  1.0
  P  P21  1  0.162  0.981  0.701  1.0
  Sr  Sr22  1  0.245  0.799  0.047  1.0
  Sr  Sr23  1  0.755  0.201  0.953  1.0
  Zn  Zn24  1  0.997  0.376  0.645  1.0
  Zn  Zn25  1  0.003  0.624  0.355  1.0
[/CIF]
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The compound described by SrMnZn(PO4)2 crystallizes in the triclinic P-1 space group. Sr(1) is bonded in a 8-coordinate geometry to one O(2), one O(3), one O(4), one O(8), two equivalent O(1), and two equivalent O(6) atoms. Mn(1) is bonded to one O(3), one O(4), one O(5), one O(7), and two equivalent O(8) atoms to form distorted MnO6 octahedra that share corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, corners with three equivalent Zn(1)O4 tetrahedra,  an edgeedge with one Mn(1)O6 octahedra, and  an edgeedge with one P(2)O4 tetrahedra. Zn(1) is bonded to one O(2), one O(4), one O(5), and one O(7) atom to form ZnO4 tetrahedra that share corners with three equivalent Mn(1)O6 octahedra, corners with two equivalent P(1)O4 tetrahedra, and corners with two equivalent P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 58-79°. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(2), one O(3), and one O(7) atom to form PO4 tetrahedra that share corners with two equivalent Mn(1)O6 octahedra and corners with two equivalent Zn(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 52-62°. In the second P site, P(2) is bonded to one O(4), one O(5), one O(6), and one O(8) atom to form PO4 tetrahedra that share corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Zn(1)O4 tetrahedra, and  an edgeedge with one Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-61°. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to two equivalent Sr(1) and one P(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Sr(1), one Zn(1), and one P(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Sr(1), one Mn(1), and one P(1) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Sr(1), one Mn(1), one Zn(1), and one P(2) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Mn(1), one Zn(1), and one P(2) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to two equivalent Sr(1) and one P(2) atom. In the seventh O site, O(7) is bonded in a trigonal non-coplanar geometry to one Mn(1), one Zn(1), and one P(1) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Sr(1), two equivalent Mn(1), and one P(2) atom. is represented by the CIF card [CIF]
data_SrMnZn(PO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.535
_cell_length_b   7.039
_cell_length_c   9.542
_cell_angle_alpha   110.609
_cell_angle_beta   102.033
_cell_angle_gamma   97.907
_symmetry_Int_Tables_number   1
_cell_volume   331.190
_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
  Mn  Mn0  1  0.625  0.836  0.558  1.0
  Mn  Mn1  1  0.375  0.164  0.442  1.0
  O  O2  1  0.804  0.554  0.905  1.0
  O  O3  1  0.196  0.446  0.095  1.0
  O  O4  1  0.665  0.473  0.214  1.0
  O  O5  1  0.335  0.527  0.786  1.0
  O  O6  1  0.672  0.803  0.777  1.0
  O  O7  1  0.328  0.197  0.223  1.0
  O  O8  1  0.959  0.118  0.698  1.0
  O  O9  1  0.041  0.882  0.302  1.0
  O  O10  1  0.010  0.755  0.581  1.0
  O  O11  1  0.990  0.245  0.419  1.0
  O  O12  1  0.262  0.996  0.867  1.0
  O  O13  1  0.738  0.004  0.133  1.0
  O  O14  1  0.357  0.575  0.384  1.0
  O  O15  1  0.643  0.425  0.616  1.0
  O  O16  1  0.616  0.946  0.359  1.0
  O  O17  1  0.384  0.054  0.641  1.0
  P  P18  1  0.388  0.419  0.225  1.0
  P  P19  1  0.612  0.581  0.775  1.0
  P  P20  1  0.838  0.019  0.299  1.0
  P  P21  1  0.162  0.981  0.701  1.0
  Sr  Sr22  1  0.245  0.799  0.047  1.0
  Sr  Sr23  1  0.755  0.201  0.953  1.0
  Zn  Zn24  1  0.997  0.376  0.645  1.0
  Zn  Zn25  1  0.003  0.624  0.355  1.0
[/CIF]
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