The material described by MgMn4(CuO4)3 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a 5-coordinate geometry to one O(11), one O(12), one O(5), one O(7), and one O(8) atom. There are four inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(11), one O(12), one O(2), one O(3), one O(4), and one O(8) atom to form corner-sharing MnO6 octahedra. The corner-sharing octahedral tilt angles range from 38-44°. In the second Mn site, Mn(2) is bonded to one O(10), one O(2), one O(3), one O(5), one O(6), and one O(7) atom to form corner-sharing MnO6 octahedra. The corner-sharing octahedral tilt angles range from 38-41°. In the third Mn site, Mn(3) is bonded to one O(1), one O(11), one O(4), one O(5), one O(6), and one O(9) atom to form corner-sharing MnO6 octahedra. The corner-sharing octahedral tilt angles range from 38-44°. In the fourth Mn site, Mn(4) is bonded in a 5-coordinate geometry to one O(1), one O(10), one O(12), one O(7), one O(8), and one O(9) atom. There are three inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a 4-coordinate geometry to one O(1), one O(10), one O(4), one O(6), and one O(8) atom. In the second Cu site, Cu(2) is bonded in a rectangular see-saw-like geometry to one O(10), one O(11), one O(4), and one O(7) atom. In the third Cu site, Cu(3) is bonded in a rectangular see-saw-like geometry to one O(1), one O(2), one O(3), and one O(9) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Mn(3), one Mn(4), one Cu(1), and one Cu(3) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Mn(1), one Mn(2), and one Cu(3) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Mn(1), one Mn(2), and one Cu(3) atom. In the fourth O site, O(4) is bonded to one Mn(1), one Mn(3), one Cu(1), and one Cu(2) atom to form distorted OMn2Cu2 trigonal pyramids that share  a cornercorner with one O(7)MgMn2Cu trigonal pyramid, corners with three equivalent O(11)MgMn2Cu trigonal pyramids, and  an edgeedge with one O(10)Mn2Cu2 trigonal pyramid. In the fifth O site, O(5) is bonded in a distorted T-shaped geometry to one Mg(1), one Mn(2), and one Mn(3) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Mn(2), one Mn(3), and one Cu(1) atom. In the seventh O site, O(7) is bonded to one Mg(1), one Mn(2), one Mn(4), and one Cu(2) atom to form OMgMn2Cu trigonal pyramids that share  a cornercorner with one O(4)Mn2Cu2 trigonal pyramid, corners with three equivalent O(10)Mn2Cu2 trigonal pyramids, and  an edgeedge with one O(11)MgMn2Cu trigonal pyramid. In the eighth O site, O(8) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1), one Mn(1), one Mn(4), and one Cu(1) atom. In the ninth O site, O(9) is bonded in a trigonal planar geometry to one Mn(3), one Mn(4), and one Cu(3) atom. In the tenth O site, O(10) is bonded to one Mn(2), one Mn(4), one Cu(1), and one Cu(2) atom to form distorted OMn2Cu2 trigonal pyramids that share  a cornercorner with one O(11)MgMn2Cu trigonal pyramid, corners with three equivalent O(7)MgMn2Cu trigonal pyramids, and  an edgeedge with one O(4)Mn2Cu2 trigonal pyramid. In the eleventh O site, O(11) is bonded to one Mg(1), one Mn(1), one Mn(3), and one Cu(2) atom to form OMgMn2Cu trigonal pyramids that share  a cornercorner with one O(10)Mn2Cu2 trigonal pyramid, corners with three equivalent O(4)Mn2Cu2 trigonal pyramids, and  an edgeedge with one O(7)MgMn2Cu trigonal pyramid. In the twelfth O site, O(12) is bonded in a distorted T-shaped geometry to one Mg(1), one Mn(1), and one Mn(4) atom. is represented by the CIF file [CIF]
data_MgMn4(CuO4)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.478
_cell_length_b   6.584
_cell_length_c   7.015
_cell_angle_alpha   110.206
_cell_angle_beta   114.331
_cell_angle_gamma   106.366
_symmetry_Int_Tables_number   1
_cell_volume   222.148
_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
  Mg  Mg0  1  0.570  0.471  0.136  1.0
  Mn  Mn1  1  0.012  0.993  0.524  1.0
  Mn  Mn2  1  0.003  0.485  0.020  1.0
  Mn  Mn3  1  0.500  0.485  0.495  1.0
  Mn  Mn4  1  0.491  0.011  0.035  1.0
  Cu  Cu5  1  0.470  0.601  0.856  1.0
  Cu  Cu6  1  0.997  0.490  0.509  1.0
  Cu  Cu7  1  0.503  0.988  0.510  1.0
  O  O8  1  0.529  0.805  0.667  1.0
  O  O9  1  0.137  0.805  0.329  1.0
  O  O10  1  0.868  0.176  0.690  1.0
  O  O11  1  0.206  0.338  0.528  1.0
  O  O12  1  0.293  0.449  0.190  1.0
  O  O13  1  0.697  0.506  0.817  1.0
  O  O14  1  0.800  0.314  0.169  1.0
  O  O15  1  0.680  0.846  0.191  1.0
  O  O16  1  0.476  0.163  0.339  1.0
  O  O17  1  0.206  0.667  0.857  1.0
  O  O18  1  0.809  0.654  0.505  1.0
  O  O19  1  0.325  0.125  0.831  1.0
[/CIF]
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The material described by MgMn4(CuO4)3 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a 5-coordinate geometry to one O(11), one O(12), one O(5), one O(7), and one O(8) atom. There are four inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(11), one O(12), one O(2), one O(3), one O(4), and one O(8) atom to form corner-sharing MnO6 octahedra. The corner-sharing octahedral tilt angles range from 38-44°. In the second Mn site, Mn(2) is bonded to one O(10), one O(2), one O(3), one O(5), one O(6), and one O(7) atom to form corner-sharing MnO6 octahedra. The corner-sharing octahedral tilt angles range from 38-41°. In the third Mn site, Mn(3) is bonded to one O(1), one O(11), one O(4), one O(5), one O(6), and one O(9) atom to form corner-sharing MnO6 octahedra. The corner-sharing octahedral tilt angles range from 38-44°. In the fourth Mn site, Mn(4) is bonded in a 5-coordinate geometry to one O(1), one O(10), one O(12), one O(7), one O(8), and one O(9) atom. There are three inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a 4-coordinate geometry to one O(1), one O(10), one O(4), one O(6), and one O(8) atom. In the second Cu site, Cu(2) is bonded in a rectangular see-saw-like geometry to one O(10), one O(11), one O(4), and one O(7) atom. In the third Cu site, Cu(3) is bonded in a rectangular see-saw-like geometry to one O(1), one O(2), one O(3), and one O(9) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Mn(3), one Mn(4), one Cu(1), and one Cu(3) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Mn(1), one Mn(2), and one Cu(3) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Mn(1), one Mn(2), and one Cu(3) atom. In the fourth O site, O(4) is bonded to one Mn(1), one Mn(3), one Cu(1), and one Cu(2) atom to form distorted OMn2Cu2 trigonal pyramids that share  a cornercorner with one O(7)MgMn2Cu trigonal pyramid, corners with three equivalent O(11)MgMn2Cu trigonal pyramids, and  an edgeedge with one O(10)Mn2Cu2 trigonal pyramid. In the fifth O site, O(5) is bonded in a distorted T-shaped geometry to one Mg(1), one Mn(2), and one Mn(3) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Mn(2), one Mn(3), and one Cu(1) atom. In the seventh O site, O(7) is bonded to one Mg(1), one Mn(2), one Mn(4), and one Cu(2) atom to form OMgMn2Cu trigonal pyramids that share  a cornercorner with one O(4)Mn2Cu2 trigonal pyramid, corners with three equivalent O(10)Mn2Cu2 trigonal pyramids, and  an edgeedge with one O(11)MgMn2Cu trigonal pyramid. In the eighth O site, O(8) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1), one Mn(1), one Mn(4), and one Cu(1) atom. In the ninth O site, O(9) is bonded in a trigonal planar geometry to one Mn(3), one Mn(4), and one Cu(3) atom. In the tenth O site, O(10) is bonded to one Mn(2), one Mn(4), one Cu(1), and one Cu(2) atom to form distorted OMn2Cu2 trigonal pyramids that share  a cornercorner with one O(11)MgMn2Cu trigonal pyramid, corners with three equivalent O(7)MgMn2Cu trigonal pyramids, and  an edgeedge with one O(4)Mn2Cu2 trigonal pyramid. In the eleventh O site, O(11) is bonded to one Mg(1), one Mn(1), one Mn(3), and one Cu(2) atom to form OMgMn2Cu trigonal pyramids that share  a cornercorner with one O(10)Mn2Cu2 trigonal pyramid, corners with three equivalent O(4)Mn2Cu2 trigonal pyramids, and  an edgeedge with one O(7)MgMn2Cu trigonal pyramid. In the twelfth O site, O(12) is bonded in a distorted T-shaped geometry to one Mg(1), one Mn(1), and one Mn(4) atom. is represented by the CIF file [CIF]
data_MgMn4(CuO4)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.478
_cell_length_b   6.584
_cell_length_c   7.015
_cell_angle_alpha   110.206
_cell_angle_beta   114.331
_cell_angle_gamma   106.366
_symmetry_Int_Tables_number   1
_cell_volume   222.148
_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
  Mg  Mg0  1  0.570  0.471  0.136  1.0
  Mn  Mn1  1  0.012  0.993  0.524  1.0
  Mn  Mn2  1  0.003  0.485  0.020  1.0
  Mn  Mn3  1  0.500  0.485  0.495  1.0
  Mn  Mn4  1  0.491  0.011  0.035  1.0
  Cu  Cu5  1  0.470  0.601  0.856  1.0
  Cu  Cu6  1  0.997  0.490  0.509  1.0
  Cu  Cu7  1  0.503  0.988  0.510  1.0
  O  O8  1  0.529  0.805  0.667  1.0
  O  O9  1  0.137  0.805  0.329  1.0
  O  O10  1  0.868  0.176  0.690  1.0
  O  O11  1  0.206  0.338  0.528  1.0
  O  O12  1  0.293  0.449  0.190  1.0
  O  O13  1  0.697  0.506  0.817  1.0
  O  O14  1  0.800  0.314  0.169  1.0
  O  O15  1  0.680  0.846  0.191  1.0
  O  O16  1  0.476  0.163  0.339  1.0
  O  O17  1  0.206  0.667  0.857  1.0
  O  O18  1  0.809  0.654  0.505  1.0
  O  O19  1  0.325  0.125  0.831  1.0
[/CIF]
.