The crystal structure described by Sm2CoO3 crystallizes in the triclinic P1 space group. There are ten inequivalent Sm sites. In the first Sm site, Sm(1) is bonded in a 5-coordinate geometry to one Co(5), one O(13), one O(15), one O(4), and one O(5) atom. In the second Sm site, Sm(2) is bonded in a distorted rectangular see-saw-like geometry to one O(14), one O(5), one O(6), and one O(8) atom. In the third Sm site, Sm(3) is bonded in a 5-coordinate geometry to one O(5), one O(6), one O(7), one O(8), and one O(9) atom. In the fourth Sm site, Sm(4) is bonded in a 5-coordinate geometry to one O(1), one O(10), one O(15), one O(7), and one O(9) atom. In the fifth Sm site, Sm(5) is bonded in a 4-coordinate geometry to one O(10), one O(7), one O(8), and one O(9) atom. In the sixth Sm site, Sm(6) is bonded in a 5-coordinate geometry to one O(1), one O(10), one O(11), one O(3), and one O(9) atom. In the seventh Sm site, Sm(7) is bonded in a 4-coordinate geometry to one O(1), one O(10), one O(12), and one O(2) atom. In the eighth Sm site, Sm(8) is bonded to one O(11), one O(13), one O(14), one O(2), and one O(4) atom to form a mixture of distorted corner and edge-sharing SmO5 square pyramids. In the ninth Sm site, Sm(9) is bonded in a 7-coordinate geometry to one O(11), one O(12), one O(13), one O(14), one O(3), one O(5), and one O(6) atom. In the tenth Sm site, Sm(10) is bonded to one O(11), one O(12), one O(14), one O(2), and one O(3) atom to form a mixture of distorted corner and edge-sharing SmO5 trigonal bipyramids. There are five inequivalent Co sites. In the first Co site, Co(1) is bonded in a distorted trigonal non-coplanar geometry to one O(10), one O(15), one O(7), and one O(8) atom. In the second Co site, Co(2) is bonded in a distorted linear geometry to one O(2) and one O(7) atom. In the third Co site, Co(3) is bonded in a distorted rectangular see-saw-like geometry to one O(12), one O(13), one O(3), and one O(4) atom. In the fourth Co site, Co(4) is bonded in a distorted L-shaped geometry to one O(13) and one O(4) atom. In the fifth Co site, Co(5) is bonded in a distorted linear geometry to one Sm(1), one O(15), and one O(6) atom. There are fifteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal non-coplanar geometry to one Sm(4), one Sm(6), and one Sm(7) atom. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to one Sm(10), one Sm(7), one Sm(8), and one Co(2) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Sm(10), one Sm(6), one Sm(9), and one Co(3) atom. In the fourth O site, O(4) is bonded in a see-saw-like geometry to one Sm(1), one Sm(8), one Co(3), and one Co(4) atom. In the fifth O site, O(5) is bonded to one Sm(1), one Sm(2), one Sm(3), and one Sm(9) atom to form distorted OSm4 tetrahedra that share  a cornercorner with one O(11)Sm4 tetrahedra,  a cornercorner with one O(9)Sm4 tetrahedra, corners with two equivalent O(14)Sm4 tetrahedra, and corners with two equivalent O(13)Sm3Co2 trigonal bipyramids. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Sm(2), one Sm(3), one Sm(9), and one Co(5) atom. In the seventh O site, O(7) is bonded in a 5-coordinate geometry to one Sm(3), one Sm(4), one Sm(5), one Co(1), and one Co(2) atom. In the eighth O site, O(8) is bonded in a distorted rectangular see-saw-like geometry to one Sm(2), one Sm(3), one Sm(5), and one Co(1) atom. In the ninth O site, O(9) is bonded to one Sm(3), one Sm(4), one Sm(5), and one Sm(6) atom to form distorted corner-sharing OSm4 tetrahedra. In the tenth O site, O(10) is bonded in a 5-coordinate geometry to one Sm(4), one Sm(5), one Sm(6), one Sm(7), and one Co(1) atom. In the eleventh O site, O(11) is bonded to one Sm(10), one Sm(6), one Sm(8), and one Sm(9) atom to form OSm4 tetrahedra that share  a cornercorner with one O(5)Sm4 tetrahedra,  a cornercorner with one O(9)Sm4 tetrahedra, corners with three equivalent O(14)Sm4 tetrahedra, and  an edgeedge with one O(13)Sm3Co2 trigonal bipyramid. In the twelfth O site, O(12) is bonded in a 4-coordinate geometry to one Sm(10), one Sm(7), one Sm(9), and one Co(3) atom. In the thirteenth O site, O(13) is bonded to one Sm(1), one Sm(8), one Sm(9), one Co(3), and one Co(4) atom to form a mixture of distorted corner and edge-sharing OSm3Co2 trigonal bipyramids. In the fourteenth O site, O(14) is bonded to one Sm(10), one Sm(2), one Sm(8), and one Sm(9) atom to form OSm4 tetrahedra that share corners with two equivalent O(5)Sm4 tetrahedra, corners with three equivalent O(11)Sm4 tetrahedra, and corners with two equivalent O(13)Sm3Co2 trigonal bipyramids. In the fifteenth O site, O(15) is bonded in a 4-coordinate geometry to one Sm(1), one Sm(4), one Co(1), and one Co(5) atom. is represented by the CIF card [CIF]
data_Sm2CoO3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   21.773
_cell_length_b   17.260
_cell_length_c   7.429
_cell_angle_alpha   51.619
_cell_angle_beta   51.718
_cell_angle_gamma   13.056
_symmetry_Int_Tables_number   1
_cell_volume   492.676
_cell_formula_units_Z   5
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
  Sm  Sm0  1  0.827  0.808  0.478  1.0
  Sm  Sm1  1  0.380  0.280  0.139  1.0
  Sm  Sm2  1  0.839  0.965  0.843  1.0
  Sm  Sm3  1  0.219  0.753  0.489  1.0
  Sm  Sm4  1  0.008  0.904  0.193  1.0
  Sm  Sm5  1  0.571  0.578  0.292  1.0
  Sm  Sm6  1  0.289  0.889  0.866  1.0
  Sm  Sm7  1  0.638  0.759  0.744  1.0
  Sm  Sm8  1  0.098  0.370  0.171  1.0
  Sm  Sm9  1  0.738  0.578  0.370  1.0
  Co  Co10  1  0.553  0.386  0.038  1.0
  Co  Co11  1  0.186  0.895  0.747  1.0
  Co  Co12  1  0.109  0.272  0.843  1.0
  Co  Co13  1  0.251  0.401  0.580  1.0
  Co  Co14  1  0.677  0.075  0.652  1.0
  O  O15  1  0.012  0.100  0.161  1.0
  O  O16  1  0.940  0.292  0.687  1.0
  O  O17  1  0.135  0.167  0.156  1.0
  O  O18  1  0.660  0.862  0.732  1.0
  O  O19  1  0.102  0.510  0.162  1.0
  O  O20  1  0.765  0.896  0.944  1.0
  O  O21  1  0.370  0.552  0.893  1.0
  O  O22  1  0.983  0.858  0.013  1.0
  O  O23  1  0.909  0.030  0.503  1.0
  O  O24  1  0.553  0.500  0.175  1.0
  O  O25  1  0.543  0.784  0.145  1.0
  O  O26  1  0.239  0.122  0.556  1.0
  O  O27  1  0.185  0.331  0.717  1.0
  O  O28  1  0.693  0.775  0.338  1.0
  O  O29  1  0.523  0.311  0.383  1.0
[/CIF]
.
The crystal structure described by Sm2CoO3 crystallizes in the triclinic P1 space group. There are ten inequivalent Sm sites. In the first Sm site, Sm(1) is bonded in a 5-coordinate geometry to one Co(5), one O(13), one O(15), one O(4), and one O(5) atom. In the second Sm site, Sm(2) is bonded in a distorted rectangular see-saw-like geometry to one O(14), one O(5), one O(6), and one O(8) atom. In the third Sm site, Sm(3) is bonded in a 5-coordinate geometry to one O(5), one O(6), one O(7), one O(8), and one O(9) atom. In the fourth Sm site, Sm(4) is bonded in a 5-coordinate geometry to one O(1), one O(10), one O(15), one O(7), and one O(9) atom. In the fifth Sm site, Sm(5) is bonded in a 4-coordinate geometry to one O(10), one O(7), one O(8), and one O(9) atom. In the sixth Sm site, Sm(6) is bonded in a 5-coordinate geometry to one O(1), one O(10), one O(11), one O(3), and one O(9) atom. In the seventh Sm site, Sm(7) is bonded in a 4-coordinate geometry to one O(1), one O(10), one O(12), and one O(2) atom. In the eighth Sm site, Sm(8) is bonded to one O(11), one O(13), one O(14), one O(2), and one O(4) atom to form a mixture of distorted corner and edge-sharing SmO5 square pyramids. In the ninth Sm site, Sm(9) is bonded in a 7-coordinate geometry to one O(11), one O(12), one O(13), one O(14), one O(3), one O(5), and one O(6) atom. In the tenth Sm site, Sm(10) is bonded to one O(11), one O(12), one O(14), one O(2), and one O(3) atom to form a mixture of distorted corner and edge-sharing SmO5 trigonal bipyramids. There are five inequivalent Co sites. In the first Co site, Co(1) is bonded in a distorted trigonal non-coplanar geometry to one O(10), one O(15), one O(7), and one O(8) atom. In the second Co site, Co(2) is bonded in a distorted linear geometry to one O(2) and one O(7) atom. In the third Co site, Co(3) is bonded in a distorted rectangular see-saw-like geometry to one O(12), one O(13), one O(3), and one O(4) atom. In the fourth Co site, Co(4) is bonded in a distorted L-shaped geometry to one O(13) and one O(4) atom. In the fifth Co site, Co(5) is bonded in a distorted linear geometry to one Sm(1), one O(15), and one O(6) atom. There are fifteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal non-coplanar geometry to one Sm(4), one Sm(6), and one Sm(7) atom. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to one Sm(10), one Sm(7), one Sm(8), and one Co(2) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Sm(10), one Sm(6), one Sm(9), and one Co(3) atom. In the fourth O site, O(4) is bonded in a see-saw-like geometry to one Sm(1), one Sm(8), one Co(3), and one Co(4) atom. In the fifth O site, O(5) is bonded to one Sm(1), one Sm(2), one Sm(3), and one Sm(9) atom to form distorted OSm4 tetrahedra that share  a cornercorner with one O(11)Sm4 tetrahedra,  a cornercorner with one O(9)Sm4 tetrahedra, corners with two equivalent O(14)Sm4 tetrahedra, and corners with two equivalent O(13)Sm3Co2 trigonal bipyramids. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Sm(2), one Sm(3), one Sm(9), and one Co(5) atom. In the seventh O site, O(7) is bonded in a 5-coordinate geometry to one Sm(3), one Sm(4), one Sm(5), one Co(1), and one Co(2) atom. In the eighth O site, O(8) is bonded in a distorted rectangular see-saw-like geometry to one Sm(2), one Sm(3), one Sm(5), and one Co(1) atom. In the ninth O site, O(9) is bonded to one Sm(3), one Sm(4), one Sm(5), and one Sm(6) atom to form distorted corner-sharing OSm4 tetrahedra. In the tenth O site, O(10) is bonded in a 5-coordinate geometry to one Sm(4), one Sm(5), one Sm(6), one Sm(7), and one Co(1) atom. In the eleventh O site, O(11) is bonded to one Sm(10), one Sm(6), one Sm(8), and one Sm(9) atom to form OSm4 tetrahedra that share  a cornercorner with one O(5)Sm4 tetrahedra,  a cornercorner with one O(9)Sm4 tetrahedra, corners with three equivalent O(14)Sm4 tetrahedra, and  an edgeedge with one O(13)Sm3Co2 trigonal bipyramid. In the twelfth O site, O(12) is bonded in a 4-coordinate geometry to one Sm(10), one Sm(7), one Sm(9), and one Co(3) atom. In the thirteenth O site, O(13) is bonded to one Sm(1), one Sm(8), one Sm(9), one Co(3), and one Co(4) atom to form a mixture of distorted corner and edge-sharing OSm3Co2 trigonal bipyramids. In the fourteenth O site, O(14) is bonded to one Sm(10), one Sm(2), one Sm(8), and one Sm(9) atom to form OSm4 tetrahedra that share corners with two equivalent O(5)Sm4 tetrahedra, corners with three equivalent O(11)Sm4 tetrahedra, and corners with two equivalent O(13)Sm3Co2 trigonal bipyramids. In the fifteenth O site, O(15) is bonded in a 4-coordinate geometry to one Sm(1), one Sm(4), one Co(1), and one Co(5) atom. is represented by the CIF card [CIF]
data_Sm2CoO3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   21.773
_cell_length_b   17.260
_cell_length_c   7.429
_cell_angle_alpha   51.619
_cell_angle_beta   51.718
_cell_angle_gamma   13.056
_symmetry_Int_Tables_number   1
_cell_volume   492.676
_cell_formula_units_Z   5
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
  Sm  Sm0  1  0.827  0.808  0.478  1.0
  Sm  Sm1  1  0.380  0.280  0.139  1.0
  Sm  Sm2  1  0.839  0.965  0.843  1.0
  Sm  Sm3  1  0.219  0.753  0.489  1.0
  Sm  Sm4  1  0.008  0.904  0.193  1.0
  Sm  Sm5  1  0.571  0.578  0.292  1.0
  Sm  Sm6  1  0.289  0.889  0.866  1.0
  Sm  Sm7  1  0.638  0.759  0.744  1.0
  Sm  Sm8  1  0.098  0.370  0.171  1.0
  Sm  Sm9  1  0.738  0.578  0.370  1.0
  Co  Co10  1  0.553  0.386  0.038  1.0
  Co  Co11  1  0.186  0.895  0.747  1.0
  Co  Co12  1  0.109  0.272  0.843  1.0
  Co  Co13  1  0.251  0.401  0.580  1.0
  Co  Co14  1  0.677  0.075  0.652  1.0
  O  O15  1  0.012  0.100  0.161  1.0
  O  O16  1  0.940  0.292  0.687  1.0
  O  O17  1  0.135  0.167  0.156  1.0
  O  O18  1  0.660  0.862  0.732  1.0
  O  O19  1  0.102  0.510  0.162  1.0
  O  O20  1  0.765  0.896  0.944  1.0
  O  O21  1  0.370  0.552  0.893  1.0
  O  O22  1  0.983  0.858  0.013  1.0
  O  O23  1  0.909  0.030  0.503  1.0
  O  O24  1  0.553  0.500  0.175  1.0
  O  O25  1  0.543  0.784  0.145  1.0
  O  O26  1  0.239  0.122  0.556  1.0
  O  O27  1  0.185  0.331  0.717  1.0
  O  O28  1  0.693  0.775  0.338  1.0
  O  O29  1  0.523  0.311  0.383  1.0
[/CIF]
.