The crystal structure described by LaSrMn2O5 crystallizes in the triclinic P1 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(10), one O(2), one O(7), one O(8), one O(9), two equivalent O(3), and two equivalent O(6) atoms. In the second Sr site, Sr(2) is bonded in a 9-coordinate geometry to one O(10), one O(2), one O(7), one O(8), one O(9), two equivalent O(4), and two equivalent O(5) atoms. There are two inequivalent La sites. In the first La site, La(1) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(4), one O(7), one O(8), one O(9), and two equivalent O(5) atoms. In the second La site, La(2) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(3), one O(7), one O(8), one O(9), and two equivalent O(6) atoms. There are four inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(2), one O(5), and one O(6) atom to form MnO4 tetrahedra that share  a cornercorner with one Mn(3)O6 octahedra,  a cornercorner with one Mn(4)O6 octahedra, and corners with two equivalent Mn(2)O4 tetrahedra. The corner-sharing octahedral tilt angles are 27°. In the second Mn site, Mn(2) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form MnO4 tetrahedra that share  a cornercorner with one Mn(3)O6 octahedra,  a cornercorner with one Mn(4)O6 octahedra, and corners with two equivalent Mn(1)O4 tetrahedra. The corner-sharing octahedral tilt angles are 32°. In the third Mn site, Mn(3) is bonded to one O(10), one O(3), one O(5), one O(7), one O(8), and one O(9) atom to form MnO6 octahedra that share corners with four equivalent Mn(4)O6 octahedra,  a cornercorner with one Mn(1)O4 tetrahedra, and  a cornercorner with one Mn(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 7-12°. In the fourth Mn site, Mn(4) is bonded to one O(10), one O(4), one O(6), one O(7), one O(8), and one O(9) atom to form MnO6 octahedra that share corners with four equivalent Mn(3)O6 octahedra,  a cornercorner with one Mn(1)O4 tetrahedra, and  a cornercorner with one Mn(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 7-12°. There are ten inequivalent O sites. In the first O site, O(1) is bonded to one La(1), one La(2), one Mn(1), and one Mn(2) atom to form OLa2Mn2 tetrahedra that share corners with two equivalent O(7)Sr2La2Mn2 octahedra, corners with two equivalent O(8)Sr2La2Mn2 octahedra, and corners with two equivalent O(2)Sr2Mn2 tetrahedra. The corner-sharing octahedral tilt angles range from 47-55°. In the second O site, O(2) is bonded to one Sr(1), one Sr(2), one Mn(1), and one Mn(2) atom to form distorted OSr2Mn2 tetrahedra that share corners with two equivalent O(7)Sr2La2Mn2 octahedra, corners with two equivalent O(8)Sr2La2Mn2 octahedra, and corners with two equivalent O(1)La2Mn2 tetrahedra. The corner-sharing octahedral tilt angles range from 24-69°. In the third O site, O(3) is bonded in a 5-coordinate geometry to two equivalent Sr(1), one La(2), one Mn(2), and one Mn(3) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to two equivalent Sr(2), one La(1), one Mn(2), and one Mn(4) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to two equivalent Sr(2), two equivalent La(1), one Mn(1), and one Mn(3) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to two equivalent Sr(1), two equivalent La(2), one Mn(1), and one Mn(4) atom. In the seventh O site, O(7) is bonded to one Sr(1), one Sr(2), one La(1), one La(2), one Mn(3), and one Mn(4) atom to form distorted OSr2La2Mn2 octahedra that share corners with two equivalent O(8)Sr2La2Mn2 octahedra, corners with two equivalent O(1)La2Mn2 tetrahedra, corners with two equivalent O(2)Sr2Mn2 tetrahedra, and edges with two equivalent O(8)Sr2La2Mn2 octahedra. The corner-sharing octahedra are not tilted. In the eighth O site, O(8) is bonded to one Sr(1), one Sr(2), one La(1), one La(2), one Mn(3), and one Mn(4) atom to form distorted OSr2La2Mn2 octahedra that share corners with two equivalent O(7)Sr2La2Mn2 octahedra, corners with two equivalent O(1)La2Mn2 tetrahedra, corners with two equivalent O(2)Sr2Mn2 tetrahedra, and edges with two equivalent O(7)Sr2La2Mn2 octahedra. The corner-sharing octahedra are not tilted. In the ninth O site, O(9) is bonded in a 6-coordinate geometry to one Sr(1), one Sr(2), one La(1), one La(2), one Mn(3), and one Mn(4) atom. In the tenth O site, O(10) is bonded in a 6-coordinate geometry to one Sr(1), one Sr(2), one La(1), one La(2), one Mn(3), and one Mn(4) atom. is represented by the CIF file [CIF]
data_SrLaMn2O5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.495
_cell_length_b   5.638
_cell_length_c   9.142
_cell_angle_alpha   72.164
_cell_angle_beta   72.580
_cell_angle_gamma   90.250
_symmetry_Int_Tables_number   1
_cell_volume   255.788
_cell_formula_units_Z   2
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  0.886  0.376  0.225  1.0
  Sr  Sr1  1  0.611  0.101  0.775  1.0
  La  La2  1  0.103  0.633  0.776  1.0
  La  La3  1  0.379  0.909  0.224  1.0
  Mn  Mn4  1  0.723  0.696  0.500  1.0
  Mn  Mn5  1  0.208  0.301  0.500  1.0
  Mn  Mn6  1  0.502  0.502  0.000  1.0
  Mn  Mn7  1  0.002  0.002  0.000  1.0
  O  O8  1  0.332  0.662  0.500  1.0
  O  O9  1  0.835  0.355  0.500  1.0
  O  O10  1  0.378  0.295  0.270  1.0
  O  O11  1  0.149  0.065  0.730  1.0
  O  O12  1  0.675  0.678  0.730  1.0
  O  O13  1  0.905  0.909  0.270  1.0
  O  O14  1  0.761  0.258  0.984  1.0
  O  O15  1  0.246  0.743  0.016  1.0
  O  O16  1  0.736  0.744  0.025  1.0
  O  O17  1  0.261  0.270  0.975  1.0
[/CIF]
.
The crystal structure described by LaSrMn2O5 crystallizes in the triclinic P1 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(10), one O(2), one O(7), one O(8), one O(9), two equivalent O(3), and two equivalent O(6) atoms. In the second Sr site, Sr(2) is bonded in a 9-coordinate geometry to one O(10), one O(2), one O(7), one O(8), one O(9), two equivalent O(4), and two equivalent O(5) atoms. There are two inequivalent La sites. In the first La site, La(1) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(4), one O(7), one O(8), one O(9), and two equivalent O(5) atoms. In the second La site, La(2) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(3), one O(7), one O(8), one O(9), and two equivalent O(6) atoms. There are four inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(2), one O(5), and one O(6) atom to form MnO4 tetrahedra that share  a cornercorner with one Mn(3)O6 octahedra,  a cornercorner with one Mn(4)O6 octahedra, and corners with two equivalent Mn(2)O4 tetrahedra. The corner-sharing octahedral tilt angles are 27°. In the second Mn site, Mn(2) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form MnO4 tetrahedra that share  a cornercorner with one Mn(3)O6 octahedra,  a cornercorner with one Mn(4)O6 octahedra, and corners with two equivalent Mn(1)O4 tetrahedra. The corner-sharing octahedral tilt angles are 32°. In the third Mn site, Mn(3) is bonded to one O(10), one O(3), one O(5), one O(7), one O(8), and one O(9) atom to form MnO6 octahedra that share corners with four equivalent Mn(4)O6 octahedra,  a cornercorner with one Mn(1)O4 tetrahedra, and  a cornercorner with one Mn(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 7-12°. In the fourth Mn site, Mn(4) is bonded to one O(10), one O(4), one O(6), one O(7), one O(8), and one O(9) atom to form MnO6 octahedra that share corners with four equivalent Mn(3)O6 octahedra,  a cornercorner with one Mn(1)O4 tetrahedra, and  a cornercorner with one Mn(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 7-12°. There are ten inequivalent O sites. In the first O site, O(1) is bonded to one La(1), one La(2), one Mn(1), and one Mn(2) atom to form OLa2Mn2 tetrahedra that share corners with two equivalent O(7)Sr2La2Mn2 octahedra, corners with two equivalent O(8)Sr2La2Mn2 octahedra, and corners with two equivalent O(2)Sr2Mn2 tetrahedra. The corner-sharing octahedral tilt angles range from 47-55°. In the second O site, O(2) is bonded to one Sr(1), one Sr(2), one Mn(1), and one Mn(2) atom to form distorted OSr2Mn2 tetrahedra that share corners with two equivalent O(7)Sr2La2Mn2 octahedra, corners with two equivalent O(8)Sr2La2Mn2 octahedra, and corners with two equivalent O(1)La2Mn2 tetrahedra. The corner-sharing octahedral tilt angles range from 24-69°. In the third O site, O(3) is bonded in a 5-coordinate geometry to two equivalent Sr(1), one La(2), one Mn(2), and one Mn(3) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to two equivalent Sr(2), one La(1), one Mn(2), and one Mn(4) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to two equivalent Sr(2), two equivalent La(1), one Mn(1), and one Mn(3) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to two equivalent Sr(1), two equivalent La(2), one Mn(1), and one Mn(4) atom. In the seventh O site, O(7) is bonded to one Sr(1), one Sr(2), one La(1), one La(2), one Mn(3), and one Mn(4) atom to form distorted OSr2La2Mn2 octahedra that share corners with two equivalent O(8)Sr2La2Mn2 octahedra, corners with two equivalent O(1)La2Mn2 tetrahedra, corners with two equivalent O(2)Sr2Mn2 tetrahedra, and edges with two equivalent O(8)Sr2La2Mn2 octahedra. The corner-sharing octahedra are not tilted. In the eighth O site, O(8) is bonded to one Sr(1), one Sr(2), one La(1), one La(2), one Mn(3), and one Mn(4) atom to form distorted OSr2La2Mn2 octahedra that share corners with two equivalent O(7)Sr2La2Mn2 octahedra, corners with two equivalent O(1)La2Mn2 tetrahedra, corners with two equivalent O(2)Sr2Mn2 tetrahedra, and edges with two equivalent O(7)Sr2La2Mn2 octahedra. The corner-sharing octahedra are not tilted. In the ninth O site, O(9) is bonded in a 6-coordinate geometry to one Sr(1), one Sr(2), one La(1), one La(2), one Mn(3), and one Mn(4) atom. In the tenth O site, O(10) is bonded in a 6-coordinate geometry to one Sr(1), one Sr(2), one La(1), one La(2), one Mn(3), and one Mn(4) atom. is represented by the CIF file [CIF]
data_SrLaMn2O5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.495
_cell_length_b   5.638
_cell_length_c   9.142
_cell_angle_alpha   72.164
_cell_angle_beta   72.580
_cell_angle_gamma   90.250
_symmetry_Int_Tables_number   1
_cell_volume   255.788
_cell_formula_units_Z   2
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  0.886  0.376  0.225  1.0
  Sr  Sr1  1  0.611  0.101  0.775  1.0
  La  La2  1  0.103  0.633  0.776  1.0
  La  La3  1  0.379  0.909  0.224  1.0
  Mn  Mn4  1  0.723  0.696  0.500  1.0
  Mn  Mn5  1  0.208  0.301  0.500  1.0
  Mn  Mn6  1  0.502  0.502  0.000  1.0
  Mn  Mn7  1  0.002  0.002  0.000  1.0
  O  O8  1  0.332  0.662  0.500  1.0
  O  O9  1  0.835  0.355  0.500  1.0
  O  O10  1  0.378  0.295  0.270  1.0
  O  O11  1  0.149  0.065  0.730  1.0
  O  O12  1  0.675  0.678  0.730  1.0
  O  O13  1  0.905  0.909  0.270  1.0
  O  O14  1  0.761  0.258  0.984  1.0
  O  O15  1  0.246  0.743  0.016  1.0
  O  O16  1  0.736  0.744  0.025  1.0
  O  O17  1  0.261  0.270  0.975  1.0
[/CIF]
.