The structure described by LaSr2CoMnO7 crystallizes in the monoclinic C2 space group. There are four inequivalent Sr sites. In the first Sr site, Sr(1) is bonded to two equivalent O(10), two equivalent O(5), two equivalent O(6), two equivalent O(7), two equivalent O(8), and two equivalent O(9) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(1)O12 cuboctahedra, faces with four equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Mn(1)O6 octahedra, faces with two equivalent Mn(2)O6 octahedra, faces with two equivalent Co(1)O6 octahedra, and faces with two equivalent Co(2)O6 octahedra. In the second Sr site, Sr(2) is bonded to two equivalent O(10), two equivalent O(5), two equivalent O(6), two equivalent O(7), two equivalent O(8), and two equivalent O(9) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(2)O12 cuboctahedra, faces with four equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Mn(1)O6 octahedra, faces with two equivalent Mn(2)O6 octahedra, faces with two equivalent Co(1)O6 octahedra, and faces with two equivalent Co(2)O6 octahedra. In the third Sr site, Sr(3) is bonded in a 9-coordinate geometry to one O(1), two equivalent O(10), two equivalent O(3), two equivalent O(4), and two equivalent O(9) atoms. In the fourth Sr site, Sr(4) is bonded in a 9-coordinate geometry to one O(2), two equivalent O(10), two equivalent O(3), two equivalent O(4), and two equivalent O(9) atoms. There are two inequivalent La sites. In the first La site, La(1) is bonded in a 9-coordinate geometry to one O(3), two equivalent O(1), two equivalent O(2), two equivalent O(7), and two equivalent O(8) atoms. In the second La site, La(2) is bonded in a 9-coordinate geometry to one O(4), two equivalent O(1), two equivalent O(2), two equivalent O(7), and two equivalent O(8) atoms. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(3), one O(5), two equivalent O(10), and two equivalent O(9) atoms to form MnO6 octahedra that share  a cornercorner with one Co(2)O6 octahedra, corners with four equivalent Mn(2)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. In the second Mn site, Mn(2) is bonded to one O(4), one O(6), two equivalent O(10), and two equivalent O(9) atoms to form MnO6 octahedra that share  a cornercorner with one Co(1)O6 octahedra, corners with four equivalent Mn(1)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(1), one O(6), two equivalent O(7), and two equivalent O(8) atoms to form CoO6 octahedra that share  a cornercorner with one Mn(2)O6 octahedra, corners with four equivalent Co(2)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-11°. In the second Co site, Co(2) is bonded to one O(2), one O(5), two equivalent O(7), and two equivalent O(8) atoms to form CoO6 octahedra that share  a cornercorner with one Mn(1)O6 octahedra, corners with four equivalent Co(1)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-11°. There are ten inequivalent O sites. In the first O site, O(1) is bonded to one Sr(3), two equivalent La(1), two equivalent La(2), and one Co(1) atom to form distorted OSrLa4Co octahedra that share  a cornercorner with one O(6)Sr4MnCo octahedra, corners with two equivalent O(10)Sr4Mn2 octahedra, corners with two equivalent O(9)Sr4Mn2 octahedra, corners with four equivalent O(1)SrLa4Co octahedra, edges with two equivalent O(3)Sr4LaMn octahedra, edges with two equivalent O(4)Sr4LaMn octahedra, and edges with four equivalent O(2)SrLa4Co octahedra. The corner-sharing octahedral tilt angles range from 0-49°. In the second O site, O(2) is bonded to one Sr(4), two equivalent La(1), two equivalent La(2), and one Co(2) atom to form distorted OSrLa4Co octahedra that share  a cornercorner with one O(5)Sr4MnCo octahedra, corners with two equivalent O(10)Sr4Mn2 octahedra, corners with two equivalent O(9)Sr4Mn2 octahedra, corners with four equivalent O(2)SrLa4Co octahedra, edges with two equivalent O(3)Sr4LaMn octahedra, edges with two equivalent O(4)Sr4LaMn octahedra, and edges with four equivalent O(1)SrLa4Co octahedra. The corner-sharing octahedral tilt angles range from 0-48°. In the third O site, O(3) is bonded to two equivalent Sr(3), two equivalent Sr(4), one La(1), and one Mn(1) atom to form distorted OSr4LaMn octahedra that share  a cornercorner with one O(5)Sr4MnCo octahedra, corners with four equivalent O(3)Sr4LaMn octahedra, corners with four equivalent O(10)Sr4Mn2 octahedra, corners with four equivalent O(9)Sr4Mn2 octahedra, edges with two equivalent O(1)SrLa4Co octahedra, edges with two equivalent O(2)SrLa4Co octahedra, edges with four equivalent O(4)Sr4LaMn octahedra, faces with two equivalent O(10)Sr4Mn2 octahedra, and faces with two equivalent O(9)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 0-53°. In the fourth O site, O(4) is bonded to two equivalent Sr(3), two equivalent Sr(4), one La(2), and one Mn(2) atom to form distorted OSr4LaMn octahedra that share  a cornercorner with one O(6)Sr4MnCo octahedra, corners with four equivalent O(4)Sr4LaMn octahedra, corners with four equivalent O(10)Sr4Mn2 octahedra, corners with four equivalent O(9)Sr4Mn2 octahedra, edges with two equivalent O(1)SrLa4Co octahedra, edges with two equivalent O(2)SrLa4Co octahedra, edges with four equivalent O(3)Sr4LaMn octahedra, faces with two equivalent O(10)Sr4Mn2 octahedra, and faces with two equivalent O(9)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 0-54°. In the fifth O site, O(5) is bonded to two equivalent Sr(1), two equivalent Sr(2), one Mn(1), and one Co(2) atom to form distorted OSr4MnCo octahedra that share  a cornercorner with one O(3)Sr4LaMn octahedra,  a cornercorner with one O(2)SrLa4Co octahedra, corners with four equivalent O(10)Sr4Mn2 octahedra, corners with four equivalent O(9)Sr4Mn2 octahedra, corners with four equivalent O(5)Sr4MnCo octahedra, edges with four equivalent O(6)Sr4MnCo octahedra, faces with two equivalent O(10)Sr4Mn2 octahedra, and faces with two equivalent O(9)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 0-59°. In the sixth O site, O(6) is bonded to two equivalent Sr(1), two equivalent Sr(2), one Mn(2), and one Co(1) atom to form distorted OSr4MnCo octahedra that share  a cornercorner with one O(4)Sr4LaMn octahedra,  a cornercorner with one O(1)SrLa4Co octahedra, corners with four equivalent O(10)Sr4Mn2 octahedra, corners with four equivalent O(9)Sr4Mn2 octahedra, corners with four equivalent O(6)Sr4MnCo octahedra, edges with four equivalent O(5)Sr4MnCo octahedra, faces with two equivalent O(10)Sr4Mn2 octahedra, and faces with two equivalent O(9)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 0-61°. In the seventh O site, O(7) is bonded in a 6-coordinate geometry to one Sr(1), one Sr(2), one La(1), one La(2), one Co(1), and one Co(2) atom. In the eighth O site, O(8) is bonded in a 6-coordinate geometry to one Sr(1), one Sr(2), one La(1), one La(2), one Co(1), and one Co(2) atom. In the ninth O site, O(9) 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 OSr4Mn2 octahedra that share  a cornercorner with one O(1)SrLa4Co octahedra,  a cornercorner with one O(2)SrLa4Co octahedra, corners with two equivalent O(3)Sr4LaMn octahedra, corners with two equivalent O(4)Sr4LaMn octahedra, corners with two equivalent O(9)Sr4Mn2 octahedra, corners with two equivalent O(5)Sr4MnCo octahedra, corners with two equivalent O(6)Sr4MnCo octahedra, edges with two equivalent O(9)Sr4Mn2 octahedra,  a faceface with one O(3)Sr4LaMn octahedra,  a faceface with one O(4)Sr4LaMn octahedra,  a faceface with one O(5)Sr4MnCo octahedra,  a faceface with one O(6)Sr4MnCo octahedra, and faces with four equivalent O(10)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 1-60°. In the tenth O site, O(10) 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 OSr4Mn2 octahedra that share  a cornercorner with one O(1)SrLa4Co octahedra,  a cornercorner with one O(2)SrLa4Co octahedra, corners with two equivalent O(3)Sr4LaMn octahedra, corners with two equivalent O(4)Sr4LaMn octahedra, corners with two equivalent O(10)Sr4Mn2 octahedra, corners with two equivalent O(5)Sr4MnCo octahedra, corners with two equivalent O(6)Sr4MnCo octahedra, edges with two equivalent O(10)Sr4Mn2 octahedra,  a faceface with one O(3)Sr4LaMn octahedra,  a faceface with one O(4)Sr4LaMn octahedra,  a faceface with one O(5)Sr4MnCo octahedra,  a faceface with one O(6)Sr4MnCo octahedra, and faces with four equivalent O(9)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 2-61°. is represented by the Crystallographic Information File (CIF) [CIF]
data_Sr2LaMnCoO7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.882
_cell_length_b   3.910
_cell_length_c   10.504
_cell_angle_alpha   100.679
_cell_angle_beta   100.646
_cell_angle_gamma   90.019
_symmetry_Int_Tables_number   1
_cell_volume   153.881
_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
  Co  Co0  1  0.907  0.906  0.813  1.0
  La  La1  1  0.319  0.318  0.637  1.0
  Mn  Mn2  1  0.099  0.099  0.197  1.0
  O  O3  1  0.802  0.802  0.604  1.0
  O  O4  1  0.198  0.198  0.395  1.0
  O  O5  1  0.002  0.003  0.004  1.0
  O  O6  1  0.399  0.898  0.797  1.0
  O  O7  1  0.898  0.398  0.795  1.0
  O  O8  1  0.597  0.097  0.194  1.0
  O  O9  1  0.097  0.597  0.194  1.0
  Sr  Sr10  1  0.503  0.503  0.005  1.0
  Sr  Sr11  1  0.682  0.682  0.364  1.0
[/CIF]
.
The structure described by LaSr2CoMnO7 crystallizes in the monoclinic C2 space group. There are four inequivalent Sr sites. In the first Sr site, Sr(1) is bonded to two equivalent O(10), two equivalent O(5), two equivalent O(6), two equivalent O(7), two equivalent O(8), and two equivalent O(9) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(1)O12 cuboctahedra, faces with four equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Mn(1)O6 octahedra, faces with two equivalent Mn(2)O6 octahedra, faces with two equivalent Co(1)O6 octahedra, and faces with two equivalent Co(2)O6 octahedra. In the second Sr site, Sr(2) is bonded to two equivalent O(10), two equivalent O(5), two equivalent O(6), two equivalent O(7), two equivalent O(8), and two equivalent O(9) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(2)O12 cuboctahedra, faces with four equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Mn(1)O6 octahedra, faces with two equivalent Mn(2)O6 octahedra, faces with two equivalent Co(1)O6 octahedra, and faces with two equivalent Co(2)O6 octahedra. In the third Sr site, Sr(3) is bonded in a 9-coordinate geometry to one O(1), two equivalent O(10), two equivalent O(3), two equivalent O(4), and two equivalent O(9) atoms. In the fourth Sr site, Sr(4) is bonded in a 9-coordinate geometry to one O(2), two equivalent O(10), two equivalent O(3), two equivalent O(4), and two equivalent O(9) atoms. There are two inequivalent La sites. In the first La site, La(1) is bonded in a 9-coordinate geometry to one O(3), two equivalent O(1), two equivalent O(2), two equivalent O(7), and two equivalent O(8) atoms. In the second La site, La(2) is bonded in a 9-coordinate geometry to one O(4), two equivalent O(1), two equivalent O(2), two equivalent O(7), and two equivalent O(8) atoms. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(3), one O(5), two equivalent O(10), and two equivalent O(9) atoms to form MnO6 octahedra that share  a cornercorner with one Co(2)O6 octahedra, corners with four equivalent Mn(2)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. In the second Mn site, Mn(2) is bonded to one O(4), one O(6), two equivalent O(10), and two equivalent O(9) atoms to form MnO6 octahedra that share  a cornercorner with one Co(1)O6 octahedra, corners with four equivalent Mn(1)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(1), one O(6), two equivalent O(7), and two equivalent O(8) atoms to form CoO6 octahedra that share  a cornercorner with one Mn(2)O6 octahedra, corners with four equivalent Co(2)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-11°. In the second Co site, Co(2) is bonded to one O(2), one O(5), two equivalent O(7), and two equivalent O(8) atoms to form CoO6 octahedra that share  a cornercorner with one Mn(1)O6 octahedra, corners with four equivalent Co(1)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-11°. There are ten inequivalent O sites. In the first O site, O(1) is bonded to one Sr(3), two equivalent La(1), two equivalent La(2), and one Co(1) atom to form distorted OSrLa4Co octahedra that share  a cornercorner with one O(6)Sr4MnCo octahedra, corners with two equivalent O(10)Sr4Mn2 octahedra, corners with two equivalent O(9)Sr4Mn2 octahedra, corners with four equivalent O(1)SrLa4Co octahedra, edges with two equivalent O(3)Sr4LaMn octahedra, edges with two equivalent O(4)Sr4LaMn octahedra, and edges with four equivalent O(2)SrLa4Co octahedra. The corner-sharing octahedral tilt angles range from 0-49°. In the second O site, O(2) is bonded to one Sr(4), two equivalent La(1), two equivalent La(2), and one Co(2) atom to form distorted OSrLa4Co octahedra that share  a cornercorner with one O(5)Sr4MnCo octahedra, corners with two equivalent O(10)Sr4Mn2 octahedra, corners with two equivalent O(9)Sr4Mn2 octahedra, corners with four equivalent O(2)SrLa4Co octahedra, edges with two equivalent O(3)Sr4LaMn octahedra, edges with two equivalent O(4)Sr4LaMn octahedra, and edges with four equivalent O(1)SrLa4Co octahedra. The corner-sharing octahedral tilt angles range from 0-48°. In the third O site, O(3) is bonded to two equivalent Sr(3), two equivalent Sr(4), one La(1), and one Mn(1) atom to form distorted OSr4LaMn octahedra that share  a cornercorner with one O(5)Sr4MnCo octahedra, corners with four equivalent O(3)Sr4LaMn octahedra, corners with four equivalent O(10)Sr4Mn2 octahedra, corners with four equivalent O(9)Sr4Mn2 octahedra, edges with two equivalent O(1)SrLa4Co octahedra, edges with two equivalent O(2)SrLa4Co octahedra, edges with four equivalent O(4)Sr4LaMn octahedra, faces with two equivalent O(10)Sr4Mn2 octahedra, and faces with two equivalent O(9)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 0-53°. In the fourth O site, O(4) is bonded to two equivalent Sr(3), two equivalent Sr(4), one La(2), and one Mn(2) atom to form distorted OSr4LaMn octahedra that share  a cornercorner with one O(6)Sr4MnCo octahedra, corners with four equivalent O(4)Sr4LaMn octahedra, corners with four equivalent O(10)Sr4Mn2 octahedra, corners with four equivalent O(9)Sr4Mn2 octahedra, edges with two equivalent O(1)SrLa4Co octahedra, edges with two equivalent O(2)SrLa4Co octahedra, edges with four equivalent O(3)Sr4LaMn octahedra, faces with two equivalent O(10)Sr4Mn2 octahedra, and faces with two equivalent O(9)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 0-54°. In the fifth O site, O(5) is bonded to two equivalent Sr(1), two equivalent Sr(2), one Mn(1), and one Co(2) atom to form distorted OSr4MnCo octahedra that share  a cornercorner with one O(3)Sr4LaMn octahedra,  a cornercorner with one O(2)SrLa4Co octahedra, corners with four equivalent O(10)Sr4Mn2 octahedra, corners with four equivalent O(9)Sr4Mn2 octahedra, corners with four equivalent O(5)Sr4MnCo octahedra, edges with four equivalent O(6)Sr4MnCo octahedra, faces with two equivalent O(10)Sr4Mn2 octahedra, and faces with two equivalent O(9)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 0-59°. In the sixth O site, O(6) is bonded to two equivalent Sr(1), two equivalent Sr(2), one Mn(2), and one Co(1) atom to form distorted OSr4MnCo octahedra that share  a cornercorner with one O(4)Sr4LaMn octahedra,  a cornercorner with one O(1)SrLa4Co octahedra, corners with four equivalent O(10)Sr4Mn2 octahedra, corners with four equivalent O(9)Sr4Mn2 octahedra, corners with four equivalent O(6)Sr4MnCo octahedra, edges with four equivalent O(5)Sr4MnCo octahedra, faces with two equivalent O(10)Sr4Mn2 octahedra, and faces with two equivalent O(9)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 0-61°. In the seventh O site, O(7) is bonded in a 6-coordinate geometry to one Sr(1), one Sr(2), one La(1), one La(2), one Co(1), and one Co(2) atom. In the eighth O site, O(8) is bonded in a 6-coordinate geometry to one Sr(1), one Sr(2), one La(1), one La(2), one Co(1), and one Co(2) atom. In the ninth O site, O(9) 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 OSr4Mn2 octahedra that share  a cornercorner with one O(1)SrLa4Co octahedra,  a cornercorner with one O(2)SrLa4Co octahedra, corners with two equivalent O(3)Sr4LaMn octahedra, corners with two equivalent O(4)Sr4LaMn octahedra, corners with two equivalent O(9)Sr4Mn2 octahedra, corners with two equivalent O(5)Sr4MnCo octahedra, corners with two equivalent O(6)Sr4MnCo octahedra, edges with two equivalent O(9)Sr4Mn2 octahedra,  a faceface with one O(3)Sr4LaMn octahedra,  a faceface with one O(4)Sr4LaMn octahedra,  a faceface with one O(5)Sr4MnCo octahedra,  a faceface with one O(6)Sr4MnCo octahedra, and faces with four equivalent O(10)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 1-60°. In the tenth O site, O(10) 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 OSr4Mn2 octahedra that share  a cornercorner with one O(1)SrLa4Co octahedra,  a cornercorner with one O(2)SrLa4Co octahedra, corners with two equivalent O(3)Sr4LaMn octahedra, corners with two equivalent O(4)Sr4LaMn octahedra, corners with two equivalent O(10)Sr4Mn2 octahedra, corners with two equivalent O(5)Sr4MnCo octahedra, corners with two equivalent O(6)Sr4MnCo octahedra, edges with two equivalent O(10)Sr4Mn2 octahedra,  a faceface with one O(3)Sr4LaMn octahedra,  a faceface with one O(4)Sr4LaMn octahedra,  a faceface with one O(5)Sr4MnCo octahedra,  a faceface with one O(6)Sr4MnCo octahedra, and faces with four equivalent O(9)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 2-61°. is represented by the Crystallographic Information File (CIF) [CIF]
data_Sr2LaMnCoO7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.882
_cell_length_b   3.910
_cell_length_c   10.504
_cell_angle_alpha   100.679
_cell_angle_beta   100.646
_cell_angle_gamma   90.019
_symmetry_Int_Tables_number   1
_cell_volume   153.881
_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
  Co  Co0  1  0.907  0.906  0.813  1.0
  La  La1  1  0.319  0.318  0.637  1.0
  Mn  Mn2  1  0.099  0.099  0.197  1.0
  O  O3  1  0.802  0.802  0.604  1.0
  O  O4  1  0.198  0.198  0.395  1.0
  O  O5  1  0.002  0.003  0.004  1.0
  O  O6  1  0.399  0.898  0.797  1.0
  O  O7  1  0.898  0.398  0.795  1.0
  O  O8  1  0.597  0.097  0.194  1.0
  O  O9  1  0.097  0.597  0.194  1.0
  Sr  Sr10  1  0.503  0.503  0.005  1.0
  Sr  Sr11  1  0.682  0.682  0.364  1.0
[/CIF]
.