The material structure described by Sr4MgMn4O10 is Pb (Zr_0.50 Ti_0.48) O_3-derived structured and crystallizes in the triclinic P1 space group. There are four inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 7-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(5), one O(7), and one O(9) atom. In the second Sr site, Sr(2) is bonded in a 7-coordinate geometry to one O(1), one O(10), one O(2), one O(3), one O(8), and two equivalent O(6) atoms. In the third Sr site, Sr(3) is bonded in a 7-coordinate geometry to one O(1), one O(10), one O(2), one O(3), one O(4), one O(5), and one O(7) atom. In the fourth Sr site, Sr(4) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one O(6), one O(8), and one O(9) atom. Mg(1) is bonded to one O(10), one O(4), one O(7), and one O(9) atom to form distorted MgO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(4)O4 tetrahedra,  a cornercorner with one Mn(2)O5 trigonal bipyramid, and  an edgeedge with one Mn(4)O4 tetrahedra. The corner-sharing octahedral tilt angles are 58°. There are four inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form distorted MnO6 octahedra that share  a cornercorner with one Mg(1)O4 tetrahedra,  a cornercorner with one Mn(4)O4 tetrahedra, and corners with four equivalent Mn(2)O5 trigonal bipyramids. In the second Mn site, Mn(2) is bonded to one O(1), one O(2), one O(3), one O(4), and one O(8) atom to form distorted MnO5 trigonal bipyramids that share corners with four equivalent Mn(1)O6 octahedra and  a cornercorner with one Mg(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 3-45°. In the third Mn site, Mn(3) is bonded in a distorted rectangular see-saw-like geometry to one O(10), one O(5), one O(8), and one O(9) atom. In the fourth Mn site, Mn(4) is bonded to one O(10), one O(6), one O(7), and one O(9) atom to form MnO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mg(1)O4 tetrahedra, and  an edgeedge with one Mg(1)O4 tetrahedra. The corner-sharing octahedral tilt angles are 31°. There are ten inequivalent O sites. In the first O site, O(1) is bonded to one Sr(1), one Sr(2), one Sr(3), one Sr(4), one Mn(1), and one Mn(2) atom to form distorted face-sharing OSr4Mn2 octahedra. In the second O site, O(2) is bonded to one Sr(1), one Sr(2), one Sr(3), one Sr(4), one Mn(1), and one Mn(2) atom to form a mixture of distorted edge, corner, and face-sharing OSr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 8-9°. In the third O site, O(3) is bonded to one Sr(1), one Sr(2), one Sr(3), one Sr(4), one Mn(1), and one Mn(2) atom to form a mixture of distorted edge, corner, and face-sharing OSr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 8-9°. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Sr(1), one Sr(3), one Mg(1), one Mn(1), and one Mn(2) atom. In the fifth O site, O(5) is bonded in a distorted rectangular see-saw-like geometry to one Sr(1), one Sr(3), one Mn(1), and one Mn(3) atom. In the sixth O site, O(6) is bonded in a 5-coordinate geometry to one Sr(4), two equivalent Sr(2), one Mn(1), and one Mn(4) atom. In the seventh O site, O(7) is bonded in a distorted rectangular see-saw-like geometry to one Sr(1), one Sr(3), one Mg(1), and one Mn(4) atom. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Sr(2), one Sr(4), one Mn(2), and one Mn(3) atom. In the ninth O site, O(9) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(4), one Mg(1), one Mn(3), and one Mn(4) atom. In the tenth O site, O(10) is bonded in a 5-coordinate geometry to one Sr(2), one Sr(3), one Mg(1), one Mn(3), and one Mn(4) atom. is represented by the CIF card [CIF]
data_Sr4MgMn4O10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.815
_cell_length_b   5.958
_cell_length_c   8.962
_cell_angle_alpha   105.232
_cell_angle_beta   110.229
_cell_angle_gamma   94.893
_symmetry_Int_Tables_number   1
_cell_volume   275.709
_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  0.602  0.158  0.206  1.0
  Sr  Sr1  1  0.358  0.893  0.775  1.0
  Sr  Sr2  1  0.194  0.550  0.183  1.0
  Sr  Sr3  1  0.894  0.406  0.762  1.0
  Mg  Mg4  1  0.912  0.821  0.332  1.0
  Mn  Mn5  1  0.005  0.002  0.004  1.0
  Mn  Mn6  1  0.522  0.497  0.969  1.0
  Mn  Mn7  1  0.238  0.228  0.492  1.0
  Mn  Mn8  1  0.651  0.831  0.530  1.0
  O  O9  1  0.245  0.231  0.961  1.0
  O  O10  1  0.301  0.725  0.991  1.0
  O  O11  1  0.742  0.264  0.978  1.0
  O  O12  1  0.824  0.777  0.084  1.0
  O  O13  1  0.180  0.173  0.248  1.0
  O  O14  1  0.855  0.832  0.762  1.0
  O  O15  1  0.656  0.584  0.323  1.0
  O  O16  1  0.422  0.447  0.718  1.0
  O  O17  1  0.857  0.109  0.482  1.0
  O  O18  1  0.275  0.854  0.471  1.0
[/CIF]
.
The material structure described by Sr4MgMn4O10 is Pb (Zr_0.50 Ti_0.48) O_3-derived structured and crystallizes in the triclinic P1 space group. There are four inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 7-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(5), one O(7), and one O(9) atom. In the second Sr site, Sr(2) is bonded in a 7-coordinate geometry to one O(1), one O(10), one O(2), one O(3), one O(8), and two equivalent O(6) atoms. In the third Sr site, Sr(3) is bonded in a 7-coordinate geometry to one O(1), one O(10), one O(2), one O(3), one O(4), one O(5), and one O(7) atom. In the fourth Sr site, Sr(4) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one O(6), one O(8), and one O(9) atom. Mg(1) is bonded to one O(10), one O(4), one O(7), and one O(9) atom to form distorted MgO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(4)O4 tetrahedra,  a cornercorner with one Mn(2)O5 trigonal bipyramid, and  an edgeedge with one Mn(4)O4 tetrahedra. The corner-sharing octahedral tilt angles are 58°. There are four inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form distorted MnO6 octahedra that share  a cornercorner with one Mg(1)O4 tetrahedra,  a cornercorner with one Mn(4)O4 tetrahedra, and corners with four equivalent Mn(2)O5 trigonal bipyramids. In the second Mn site, Mn(2) is bonded to one O(1), one O(2), one O(3), one O(4), and one O(8) atom to form distorted MnO5 trigonal bipyramids that share corners with four equivalent Mn(1)O6 octahedra and  a cornercorner with one Mg(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 3-45°. In the third Mn site, Mn(3) is bonded in a distorted rectangular see-saw-like geometry to one O(10), one O(5), one O(8), and one O(9) atom. In the fourth Mn site, Mn(4) is bonded to one O(10), one O(6), one O(7), and one O(9) atom to form MnO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mg(1)O4 tetrahedra, and  an edgeedge with one Mg(1)O4 tetrahedra. The corner-sharing octahedral tilt angles are 31°. There are ten inequivalent O sites. In the first O site, O(1) is bonded to one Sr(1), one Sr(2), one Sr(3), one Sr(4), one Mn(1), and one Mn(2) atom to form distorted face-sharing OSr4Mn2 octahedra. In the second O site, O(2) is bonded to one Sr(1), one Sr(2), one Sr(3), one Sr(4), one Mn(1), and one Mn(2) atom to form a mixture of distorted edge, corner, and face-sharing OSr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 8-9°. In the third O site, O(3) is bonded to one Sr(1), one Sr(2), one Sr(3), one Sr(4), one Mn(1), and one Mn(2) atom to form a mixture of distorted edge, corner, and face-sharing OSr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 8-9°. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Sr(1), one Sr(3), one Mg(1), one Mn(1), and one Mn(2) atom. In the fifth O site, O(5) is bonded in a distorted rectangular see-saw-like geometry to one Sr(1), one Sr(3), one Mn(1), and one Mn(3) atom. In the sixth O site, O(6) is bonded in a 5-coordinate geometry to one Sr(4), two equivalent Sr(2), one Mn(1), and one Mn(4) atom. In the seventh O site, O(7) is bonded in a distorted rectangular see-saw-like geometry to one Sr(1), one Sr(3), one Mg(1), and one Mn(4) atom. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Sr(2), one Sr(4), one Mn(2), and one Mn(3) atom. In the ninth O site, O(9) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(4), one Mg(1), one Mn(3), and one Mn(4) atom. In the tenth O site, O(10) is bonded in a 5-coordinate geometry to one Sr(2), one Sr(3), one Mg(1), one Mn(3), and one Mn(4) atom. is represented by the CIF card [CIF]
data_Sr4MgMn4O10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.815
_cell_length_b   5.958
_cell_length_c   8.962
_cell_angle_alpha   105.232
_cell_angle_beta   110.229
_cell_angle_gamma   94.893
_symmetry_Int_Tables_number   1
_cell_volume   275.709
_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  0.602  0.158  0.206  1.0
  Sr  Sr1  1  0.358  0.893  0.775  1.0
  Sr  Sr2  1  0.194  0.550  0.183  1.0
  Sr  Sr3  1  0.894  0.406  0.762  1.0
  Mg  Mg4  1  0.912  0.821  0.332  1.0
  Mn  Mn5  1  0.005  0.002  0.004  1.0
  Mn  Mn6  1  0.522  0.497  0.969  1.0
  Mn  Mn7  1  0.238  0.228  0.492  1.0
  Mn  Mn8  1  0.651  0.831  0.530  1.0
  O  O9  1  0.245  0.231  0.961  1.0
  O  O10  1  0.301  0.725  0.991  1.0
  O  O11  1  0.742  0.264  0.978  1.0
  O  O12  1  0.824  0.777  0.084  1.0
  O  O13  1  0.180  0.173  0.248  1.0
  O  O14  1  0.855  0.832  0.762  1.0
  O  O15  1  0.656  0.584  0.323  1.0
  O  O16  1  0.422  0.447  0.718  1.0
  O  O17  1  0.857  0.109  0.482  1.0
  O  O18  1  0.275  0.854  0.471  1.0
[/CIF]
.