The material described by SrLa2Mn2O7 is (La,Ba)CuO4-derived structured and crystallizes in the orthorhombic Amm2 space group. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 9-coordinate geometry to one O(1), two equivalent O(3), two equivalent O(4), and four equivalent O(8) atoms. In the second Sr site, Sr(2) is bonded in a 9-coordinate geometry to one O(2), two equivalent O(3), two equivalent O(4), and four equivalent O(8) atoms. There are four inequivalent La sites. In the first La site, La(1) is bonded to two equivalent O(5), two equivalent O(6), four equivalent O(7), and four equivalent O(8) atoms to form distorted LaO12 cuboctahedra that share corners with four equivalent La(1)O12 cuboctahedra, faces with four equivalent La(2)O12 cuboctahedra, faces with two equivalent Mn(1)O6 octahedra, faces with two equivalent Mn(2)O6 octahedra, faces with two equivalent Mn(3)O6 octahedra, and faces with two equivalent Mn(4)O6 octahedra. In the second La site, La(2) is bonded to two equivalent O(5), two equivalent O(6), four equivalent O(7), and four equivalent O(8) atoms to form distorted LaO12 cuboctahedra that share corners with four equivalent La(2)O12 cuboctahedra, faces with four equivalent La(1)O12 cuboctahedra, faces with two equivalent Mn(1)O6 octahedra, faces with two equivalent Mn(2)O6 octahedra, faces with two equivalent Mn(3)O6 octahedra, and faces with two equivalent Mn(4)O6 octahedra. In the third La site, La(3) is bonded in a 9-coordinate geometry to one O(3), two equivalent O(1), two equivalent O(2), and four equivalent O(7) atoms. In the fourth La site, La(4) is bonded in a 9-coordinate geometry to one O(4), two equivalent O(1), two equivalent O(2), and four equivalent O(7) atoms. There are four inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(5), and four equivalent O(7) atoms to form MnO6 octahedra that share  a cornercorner with one Mn(2)O6 octahedra, corners with four equivalent Mn(3)O6 octahedra, faces with two equivalent La(1)O12 cuboctahedra, and faces with two equivalent La(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(5), and four equivalent O(8) atoms to form MnO6 octahedra that share  a cornercorner with one Mn(1)O6 octahedra, corners with four equivalent Mn(4)O6 octahedra, faces with two equivalent La(1)O12 cuboctahedra, and faces with two equivalent La(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-11°. In the third Mn site, Mn(3) is bonded to one O(2), one O(6), and four equivalent O(7) atoms to form MnO6 octahedra that share  a cornercorner with one Mn(4)O6 octahedra, corners with four equivalent Mn(1)O6 octahedra, faces with two equivalent La(1)O12 cuboctahedra, and faces with two equivalent La(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. In the fourth Mn site, Mn(4) is bonded to one O(3), one O(6), and four equivalent O(8) atoms to form MnO6 octahedra that share  a cornercorner with one Mn(3)O6 octahedra, corners with four equivalent Mn(2)O6 octahedra, faces with two equivalent La(1)O12 cuboctahedra, and faces with two equivalent La(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-11°. There are eight inequivalent O sites. In the first O site, O(1) is bonded to one Sr(1), two equivalent La(3), two equivalent La(4), and one Mn(1) atom to form distorted OSrLa4Mn octahedra that share corners with four equivalent O(8)Sr2La2Mn2 octahedra, corners with four equivalent O(1)SrLa4Mn octahedra, edges with two equivalent O(3)Sr4LaMn octahedra, edges with two equivalent O(4)Sr4LaMn octahedra, and edges with four equivalent O(2)SrLa4Mn octahedra. The corner-sharing octahedral tilt angles range from 12-46°. In the second O site, O(2) is bonded to one Sr(2), two equivalent La(3), two equivalent La(4), and one Mn(3) atom to form distorted OSrLa4Mn octahedra that share corners with four equivalent O(8)Sr2La2Mn2 octahedra, corners with four equivalent O(2)SrLa4Mn octahedra, edges with two equivalent O(3)Sr4LaMn octahedra, edges with two equivalent O(4)Sr4LaMn octahedra, and edges with four equivalent O(1)SrLa4Mn octahedra. The corner-sharing octahedral tilt angles range from 12-46°. In the third O site, O(3) is bonded to two equivalent Sr(1), two equivalent Sr(2), one La(3), and one Mn(4) atom to form distorted OSr4LaMn octahedra that share corners with four equivalent O(3)Sr4LaMn octahedra, corners with eight equivalent O(8)Sr2La2Mn2 octahedra, edges with two equivalent O(1)SrLa4Mn octahedra, edges with two equivalent O(2)SrLa4Mn octahedra, edges with four equivalent O(4)Sr4LaMn octahedra, and faces with four equivalent O(8)Sr2La2Mn2 octahedra. The corner-sharing octahedral tilt angles range from 19-53°. In the fourth O site, O(4) is bonded to two equivalent Sr(1), two equivalent Sr(2), one La(4), and one Mn(2) atom to form distorted OSr4LaMn octahedra that share corners with four equivalent O(4)Sr4LaMn octahedra, corners with eight equivalent O(8)Sr2La2Mn2 octahedra, edges with two equivalent O(1)SrLa4Mn octahedra, edges with two equivalent O(2)SrLa4Mn octahedra, edges with four equivalent O(3)Sr4LaMn octahedra, and faces with four equivalent O(8)Sr2La2Mn2 octahedra. The corner-sharing octahedral tilt angles range from 20-50°. In the fifth O site, O(5) is bonded in a distorted linear geometry to two equivalent La(1), two equivalent La(2), one Mn(1), and one Mn(2) atom. In the sixth O site, O(6) is bonded in a distorted linear geometry to two equivalent La(1), two equivalent La(2), one Mn(3), and one Mn(4) atom. In the seventh O site, O(7) is bonded in a 2-coordinate geometry to one La(1), one La(2), one La(3), one La(4), one Mn(1), and one Mn(3) atom. In the eighth O site, O(8) is bonded to one Sr(1), one Sr(2), one La(1), one La(2), one Mn(2), and one Mn(4) atom to form distorted OSr2La2Mn2 octahedra that share  a cornercorner with one O(1)SrLa4Mn octahedra,  a cornercorner with one O(2)SrLa4Mn octahedra, corners with two equivalent O(8)Sr2La2Mn2 octahedra, corners with two equivalent O(3)Sr4LaMn octahedra, corners with two equivalent O(4)Sr4LaMn octahedra, edges with two equivalent O(8)Sr2La2Mn2 octahedra,  a faceface with one O(3)Sr4LaMn octahedra,  a faceface with one O(4)Sr4LaMn octahedra, and faces with four equivalent O(8)Sr2La2Mn2 octahedra. The corner-sharing octahedral tilt angles range from 9-53°. is represented by the CIF card [CIF]
data_SrLa2Mn2O7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.943
_cell_length_b   3.943
_cell_length_c   10.651
_cell_angle_alpha   79.334
_cell_angle_beta   79.334
_cell_angle_gamma   89.994
_symmetry_Int_Tables_number   1
_cell_volume   159.840
_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
  La  La0  1  0.507  0.507  0.986  1.0
  La  La1  1  0.318  0.318  0.364  1.0
  Mn  Mn2  1  0.903  0.903  0.195  1.0
  Mn  Mn3  1  0.099  0.099  0.801  1.0
  O  O4  1  0.804  0.804  0.393  1.0
  O  O5  1  0.208  0.208  0.585  1.0
  O  O6  1  0.995  0.995  0.010  1.0
  O  O7  1  0.401  0.901  0.198  1.0
  O  O8  1  0.901  0.401  0.198  1.0
  O  O9  1  0.590  0.091  0.820  1.0
  O  O10  1  0.090  0.590  0.820  1.0
  Sr  Sr11  1  0.684  0.684  0.632  1.0
[/CIF]
.
The material described by SrLa2Mn2O7 is (La,Ba)CuO4-derived structured and crystallizes in the orthorhombic Amm2 space group. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 9-coordinate geometry to one O(1), two equivalent O(3), two equivalent O(4), and four equivalent O(8) atoms. In the second Sr site, Sr(2) is bonded in a 9-coordinate geometry to one O(2), two equivalent O(3), two equivalent O(4), and four equivalent O(8) atoms. There are four inequivalent La sites. In the first La site, La(1) is bonded to two equivalent O(5), two equivalent O(6), four equivalent O(7), and four equivalent O(8) atoms to form distorted LaO12 cuboctahedra that share corners with four equivalent La(1)O12 cuboctahedra, faces with four equivalent La(2)O12 cuboctahedra, faces with two equivalent Mn(1)O6 octahedra, faces with two equivalent Mn(2)O6 octahedra, faces with two equivalent Mn(3)O6 octahedra, and faces with two equivalent Mn(4)O6 octahedra. In the second La site, La(2) is bonded to two equivalent O(5), two equivalent O(6), four equivalent O(7), and four equivalent O(8) atoms to form distorted LaO12 cuboctahedra that share corners with four equivalent La(2)O12 cuboctahedra, faces with four equivalent La(1)O12 cuboctahedra, faces with two equivalent Mn(1)O6 octahedra, faces with two equivalent Mn(2)O6 octahedra, faces with two equivalent Mn(3)O6 octahedra, and faces with two equivalent Mn(4)O6 octahedra. In the third La site, La(3) is bonded in a 9-coordinate geometry to one O(3), two equivalent O(1), two equivalent O(2), and four equivalent O(7) atoms. In the fourth La site, La(4) is bonded in a 9-coordinate geometry to one O(4), two equivalent O(1), two equivalent O(2), and four equivalent O(7) atoms. There are four inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(5), and four equivalent O(7) atoms to form MnO6 octahedra that share  a cornercorner with one Mn(2)O6 octahedra, corners with four equivalent Mn(3)O6 octahedra, faces with two equivalent La(1)O12 cuboctahedra, and faces with two equivalent La(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(5), and four equivalent O(8) atoms to form MnO6 octahedra that share  a cornercorner with one Mn(1)O6 octahedra, corners with four equivalent Mn(4)O6 octahedra, faces with two equivalent La(1)O12 cuboctahedra, and faces with two equivalent La(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-11°. In the third Mn site, Mn(3) is bonded to one O(2), one O(6), and four equivalent O(7) atoms to form MnO6 octahedra that share  a cornercorner with one Mn(4)O6 octahedra, corners with four equivalent Mn(1)O6 octahedra, faces with two equivalent La(1)O12 cuboctahedra, and faces with two equivalent La(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. In the fourth Mn site, Mn(4) is bonded to one O(3), one O(6), and four equivalent O(8) atoms to form MnO6 octahedra that share  a cornercorner with one Mn(3)O6 octahedra, corners with four equivalent Mn(2)O6 octahedra, faces with two equivalent La(1)O12 cuboctahedra, and faces with two equivalent La(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-11°. There are eight inequivalent O sites. In the first O site, O(1) is bonded to one Sr(1), two equivalent La(3), two equivalent La(4), and one Mn(1) atom to form distorted OSrLa4Mn octahedra that share corners with four equivalent O(8)Sr2La2Mn2 octahedra, corners with four equivalent O(1)SrLa4Mn octahedra, edges with two equivalent O(3)Sr4LaMn octahedra, edges with two equivalent O(4)Sr4LaMn octahedra, and edges with four equivalent O(2)SrLa4Mn octahedra. The corner-sharing octahedral tilt angles range from 12-46°. In the second O site, O(2) is bonded to one Sr(2), two equivalent La(3), two equivalent La(4), and one Mn(3) atom to form distorted OSrLa4Mn octahedra that share corners with four equivalent O(8)Sr2La2Mn2 octahedra, corners with four equivalent O(2)SrLa4Mn octahedra, edges with two equivalent O(3)Sr4LaMn octahedra, edges with two equivalent O(4)Sr4LaMn octahedra, and edges with four equivalent O(1)SrLa4Mn octahedra. The corner-sharing octahedral tilt angles range from 12-46°. In the third O site, O(3) is bonded to two equivalent Sr(1), two equivalent Sr(2), one La(3), and one Mn(4) atom to form distorted OSr4LaMn octahedra that share corners with four equivalent O(3)Sr4LaMn octahedra, corners with eight equivalent O(8)Sr2La2Mn2 octahedra, edges with two equivalent O(1)SrLa4Mn octahedra, edges with two equivalent O(2)SrLa4Mn octahedra, edges with four equivalent O(4)Sr4LaMn octahedra, and faces with four equivalent O(8)Sr2La2Mn2 octahedra. The corner-sharing octahedral tilt angles range from 19-53°. In the fourth O site, O(4) is bonded to two equivalent Sr(1), two equivalent Sr(2), one La(4), and one Mn(2) atom to form distorted OSr4LaMn octahedra that share corners with four equivalent O(4)Sr4LaMn octahedra, corners with eight equivalent O(8)Sr2La2Mn2 octahedra, edges with two equivalent O(1)SrLa4Mn octahedra, edges with two equivalent O(2)SrLa4Mn octahedra, edges with four equivalent O(3)Sr4LaMn octahedra, and faces with four equivalent O(8)Sr2La2Mn2 octahedra. The corner-sharing octahedral tilt angles range from 20-50°. In the fifth O site, O(5) is bonded in a distorted linear geometry to two equivalent La(1), two equivalent La(2), one Mn(1), and one Mn(2) atom. In the sixth O site, O(6) is bonded in a distorted linear geometry to two equivalent La(1), two equivalent La(2), one Mn(3), and one Mn(4) atom. In the seventh O site, O(7) is bonded in a 2-coordinate geometry to one La(1), one La(2), one La(3), one La(4), one Mn(1), and one Mn(3) atom. In the eighth O site, O(8) is bonded to one Sr(1), one Sr(2), one La(1), one La(2), one Mn(2), and one Mn(4) atom to form distorted OSr2La2Mn2 octahedra that share  a cornercorner with one O(1)SrLa4Mn octahedra,  a cornercorner with one O(2)SrLa4Mn octahedra, corners with two equivalent O(8)Sr2La2Mn2 octahedra, corners with two equivalent O(3)Sr4LaMn octahedra, corners with two equivalent O(4)Sr4LaMn octahedra, edges with two equivalent O(8)Sr2La2Mn2 octahedra,  a faceface with one O(3)Sr4LaMn octahedra,  a faceface with one O(4)Sr4LaMn octahedra, and faces with four equivalent O(8)Sr2La2Mn2 octahedra. The corner-sharing octahedral tilt angles range from 9-53°. is represented by the CIF card [CIF]
data_SrLa2Mn2O7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.943
_cell_length_b   3.943
_cell_length_c   10.651
_cell_angle_alpha   79.334
_cell_angle_beta   79.334
_cell_angle_gamma   89.994
_symmetry_Int_Tables_number   1
_cell_volume   159.840
_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
  La  La0  1  0.507  0.507  0.986  1.0
  La  La1  1  0.318  0.318  0.364  1.0
  Mn  Mn2  1  0.903  0.903  0.195  1.0
  Mn  Mn3  1  0.099  0.099  0.801  1.0
  O  O4  1  0.804  0.804  0.393  1.0
  O  O5  1  0.208  0.208  0.585  1.0
  O  O6  1  0.995  0.995  0.010  1.0
  O  O7  1  0.401  0.901  0.198  1.0
  O  O8  1  0.901  0.401  0.198  1.0
  O  O9  1  0.590  0.091  0.820  1.0
  O  O10  1  0.090  0.590  0.820  1.0
  Sr  Sr11  1  0.684  0.684  0.632  1.0
[/CIF]
.