The structure described by Sr2CuMn2As2O2 crystallizes in the tetragonal I-4m2 space group. There are four inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 4-coordinate geometry to four equivalent As(1) and four equivalent O(1) atoms. In the second Sr site, Sr(1) is bonded in a 4-coordinate geometry to four equivalent As(1) and four equivalent O(1) atoms. In the third Sr site, Sr(1) is bonded in a 4-coordinate geometry to four equivalent As(1) and four equivalent O(1) atoms. In the fourth Sr site, Sr(1) is bonded in a 4-coordinate geometry to four equivalent As(1) and four equivalent O(1) atoms. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a rectangular see-saw-like geometry to two equivalent As(1) and four equivalent O(1) atoms. In the second Mn site, Mn(2) is bonded to four equivalent Cu(1) and four equivalent As(1) atoms to form a mixture of distorted face and corner-sharing MnCu4As4 tetrahedra. Cu(1) is bonded in a 8-coordinate geometry to four equivalent Mn(2) and four equivalent As(1) atoms. As(1) is bonded in a 9-coordinate geometry to four equivalent Sr(1), one Mn(1), two equivalent Mn(2), and two equivalent Cu(1) atoms. O(1) is bonded to four Sr(1,1) and two equivalent Mn(1) atoms to form a mixture of edge, face, and corner-sharing OSr4Mn2 octahedra. The corner-sharing octahedra are not tilted. is represented by the CIF card [CIF]
data_Sr2Mn2Cu(AsO)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.130
_cell_length_b   4.130
_cell_length_c   9.867
_cell_angle_alpha   77.920
_cell_angle_beta   77.920
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   160.747
_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
  Sr  Sr0  1  0.410  0.410  0.179  1.0
  Sr  Sr1  1  0.590  0.590  0.821  1.0
  Mn  Mn2  1  0.000  0.000  0.000  1.0
  Mn  Mn3  1  0.250  0.750  0.500  1.0
  Cu  Cu4  1  0.750  0.250  0.500  1.0
  As  As5  1  0.168  0.168  0.664  1.0
  As  As6  1  0.832  0.832  0.336  1.0
  O  O7  1  0.500  0.000  0.999  1.0
  O  O8  1  1.000  0.500  0.001  1.0
[/CIF]
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The structure described by Sr2CuMn2As2O2 crystallizes in the tetragonal I-4m2 space group. There are four inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 4-coordinate geometry to four equivalent As(1) and four equivalent O(1) atoms. In the second Sr site, Sr(1) is bonded in a 4-coordinate geometry to four equivalent As(1) and four equivalent O(1) atoms. In the third Sr site, Sr(1) is bonded in a 4-coordinate geometry to four equivalent As(1) and four equivalent O(1) atoms. In the fourth Sr site, Sr(1) is bonded in a 4-coordinate geometry to four equivalent As(1) and four equivalent O(1) atoms. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a rectangular see-saw-like geometry to two equivalent As(1) and four equivalent O(1) atoms. In the second Mn site, Mn(2) is bonded to four equivalent Cu(1) and four equivalent As(1) atoms to form a mixture of distorted face and corner-sharing MnCu4As4 tetrahedra. Cu(1) is bonded in a 8-coordinate geometry to four equivalent Mn(2) and four equivalent As(1) atoms. As(1) is bonded in a 9-coordinate geometry to four equivalent Sr(1), one Mn(1), two equivalent Mn(2), and two equivalent Cu(1) atoms. O(1) is bonded to four Sr(1,1) and two equivalent Mn(1) atoms to form a mixture of edge, face, and corner-sharing OSr4Mn2 octahedra. The corner-sharing octahedra are not tilted. is represented by the CIF card [CIF]
data_Sr2Mn2Cu(AsO)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.130
_cell_length_b   4.130
_cell_length_c   9.867
_cell_angle_alpha   77.920
_cell_angle_beta   77.920
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   160.747
_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
  Sr  Sr0  1  0.410  0.410  0.179  1.0
  Sr  Sr1  1  0.590  0.590  0.821  1.0
  Mn  Mn2  1  0.000  0.000  0.000  1.0
  Mn  Mn3  1  0.250  0.750  0.500  1.0
  Cu  Cu4  1  0.750  0.250  0.500  1.0
  As  As5  1  0.168  0.168  0.664  1.0
  As  As6  1  0.832  0.832  0.336  1.0
  O  O7  1  0.500  0.000  0.999  1.0
  O  O8  1  1.000  0.500  0.001  1.0
[/CIF]
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