The material structure described by Sr2MoCu2AlO7 crystallizes in the monoclinic Cm space group. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 7-coordinate geometry to one O(1), one O(3), one O(5), two equivalent O(7), and two equivalent O(8) atoms. In the second Sr site, Sr(2) is bonded in a 7-coordinate geometry to one O(2), one O(4), one O(6), two equivalent O(7), and two equivalent O(8) atoms. There are two inequivalent Mo sites. In the first Mo site, Mo(1) is bonded in a 4-coordinate geometry to one O(1), one O(2), and two equivalent O(7) atoms. In the second Mo site, Mo(2) is bonded in a trigonal pyramidal geometry to one O(1), one O(2), and two equivalent O(8) atoms. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a rectangular see-saw-like geometry to one O(3), one O(4), one O(5), and one O(6) atom. In the second Cu site, Cu(2) is bonded in a rectangular see-saw-like geometry to one O(3), one O(4), one O(5), one O(6), and one O(7) atom. Al(1) is bonded in a distorted tetrahedral geometry to one O(3), one O(4), one O(5), and one O(6) atom. There are eight inequivalent O sites. In the first O site, O(7) is bonded in a 6-coordinate geometry to two equivalent Sr(1), two equivalent Sr(2), one Mo(1), and one Cu(2) atom. In the second O site, O(8) is bonded in a 5-coordinate geometry to two equivalent Sr(1), two equivalent Sr(2), and one Mo(2) atom. In the third O site, O(1) is bonded in a distorted tetrahedral geometry to two equivalent Sr(1), one Mo(1), and one Mo(2) atom. In the fourth O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to two equivalent Sr(2), one Mo(1), and one Mo(2) atom. In the fifth O site, O(3) is bonded in a 4-coordinate geometry to one Sr(1), one Cu(1), one Cu(2), and one Al(1) atom. In the sixth O site, O(4) is bonded in a 4-coordinate geometry to one Sr(2), one Cu(1), one Cu(2), and one Al(1) atom. In the seventh O site, O(5) is bonded in a 4-coordinate geometry to one Sr(1), one Cu(1), one Cu(2), and one Al(1) atom. In the eighth O site, O(6) is bonded in a 4-coordinate geometry to one Sr(2), one Cu(1), one Cu(2), and one Al(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Sr2AlCu2MoO7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   12.475
_cell_length_b   12.475
_cell_length_c   5.436
_cell_angle_alpha   77.680
_cell_angle_beta   77.680
_cell_angle_gamma   144.447
_symmetry_Int_Tables_number   1
_cell_volume   351.807
_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  0.620  0.839  0.037  1.0
  Sr  Sr1  1  0.381  0.160  0.999  1.0
  Sr  Sr2  1  0.160  0.381  0.999  1.0
  Sr  Sr3  1  0.839  0.620  0.037  1.0
  Al  Al4  1  0.997  0.496  0.013  1.0
  Al  Al5  1  0.496  0.997  0.013  1.0
  Cu  Cu6  1  0.554  0.944  0.519  1.0
  Cu  Cu7  1  0.443  0.052  0.521  1.0
  Cu  Cu8  1  0.052  0.443  0.521  1.0
  Cu  Cu9  1  0.944  0.554  0.519  1.0
  Mo  Mo10  1  0.168  0.168  0.580  1.0
  Mo  Mo11  1  0.838  0.838  0.422  1.0
  O  O12  1  0.823  0.823  0.059  1.0
  O  O13  1  0.193  0.193  0.098  1.0
  O  O14  1  0.372  0.766  0.375  1.0
  O  O15  1  0.631  0.233  0.015  1.0
  O  O16  1  0.233  0.631  0.015  1.0
  O  O17  1  0.766  0.372  0.375  1.0
  O  O18  1  0.722  0.113  0.678  1.0
  O  O19  1  0.273  0.881  0.018  1.0
  O  O20  1  0.881  0.273  0.018  1.0
  O  O21  1  0.113  0.722  0.678  1.0
  O  O22  1  0.188  0.348  0.484  1.0
  O  O23  1  0.802  0.645  0.573  1.0
  O  O24  1  0.645  0.802  0.573  1.0
  O  O25  1  0.348  0.188  0.484  1.0
[/CIF]
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The material structure described by Sr2MoCu2AlO7 crystallizes in the monoclinic Cm space group. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 7-coordinate geometry to one O(1), one O(3), one O(5), two equivalent O(7), and two equivalent O(8) atoms. In the second Sr site, Sr(2) is bonded in a 7-coordinate geometry to one O(2), one O(4), one O(6), two equivalent O(7), and two equivalent O(8) atoms. There are two inequivalent Mo sites. In the first Mo site, Mo(1) is bonded in a 4-coordinate geometry to one O(1), one O(2), and two equivalent O(7) atoms. In the second Mo site, Mo(2) is bonded in a trigonal pyramidal geometry to one O(1), one O(2), and two equivalent O(8) atoms. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a rectangular see-saw-like geometry to one O(3), one O(4), one O(5), and one O(6) atom. In the second Cu site, Cu(2) is bonded in a rectangular see-saw-like geometry to one O(3), one O(4), one O(5), one O(6), and one O(7) atom. Al(1) is bonded in a distorted tetrahedral geometry to one O(3), one O(4), one O(5), and one O(6) atom. There are eight inequivalent O sites. In the first O site, O(7) is bonded in a 6-coordinate geometry to two equivalent Sr(1), two equivalent Sr(2), one Mo(1), and one Cu(2) atom. In the second O site, O(8) is bonded in a 5-coordinate geometry to two equivalent Sr(1), two equivalent Sr(2), and one Mo(2) atom. In the third O site, O(1) is bonded in a distorted tetrahedral geometry to two equivalent Sr(1), one Mo(1), and one Mo(2) atom. In the fourth O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to two equivalent Sr(2), one Mo(1), and one Mo(2) atom. In the fifth O site, O(3) is bonded in a 4-coordinate geometry to one Sr(1), one Cu(1), one Cu(2), and one Al(1) atom. In the sixth O site, O(4) is bonded in a 4-coordinate geometry to one Sr(2), one Cu(1), one Cu(2), and one Al(1) atom. In the seventh O site, O(5) is bonded in a 4-coordinate geometry to one Sr(1), one Cu(1), one Cu(2), and one Al(1) atom. In the eighth O site, O(6) is bonded in a 4-coordinate geometry to one Sr(2), one Cu(1), one Cu(2), and one Al(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Sr2AlCu2MoO7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   12.475
_cell_length_b   12.475
_cell_length_c   5.436
_cell_angle_alpha   77.680
_cell_angle_beta   77.680
_cell_angle_gamma   144.447
_symmetry_Int_Tables_number   1
_cell_volume   351.807
_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  0.620  0.839  0.037  1.0
  Sr  Sr1  1  0.381  0.160  0.999  1.0
  Sr  Sr2  1  0.160  0.381  0.999  1.0
  Sr  Sr3  1  0.839  0.620  0.037  1.0
  Al  Al4  1  0.997  0.496  0.013  1.0
  Al  Al5  1  0.496  0.997  0.013  1.0
  Cu  Cu6  1  0.554  0.944  0.519  1.0
  Cu  Cu7  1  0.443  0.052  0.521  1.0
  Cu  Cu8  1  0.052  0.443  0.521  1.0
  Cu  Cu9  1  0.944  0.554  0.519  1.0
  Mo  Mo10  1  0.168  0.168  0.580  1.0
  Mo  Mo11  1  0.838  0.838  0.422  1.0
  O  O12  1  0.823  0.823  0.059  1.0
  O  O13  1  0.193  0.193  0.098  1.0
  O  O14  1  0.372  0.766  0.375  1.0
  O  O15  1  0.631  0.233  0.015  1.0
  O  O16  1  0.233  0.631  0.015  1.0
  O  O17  1  0.766  0.372  0.375  1.0
  O  O18  1  0.722  0.113  0.678  1.0
  O  O19  1  0.273  0.881  0.018  1.0
  O  O20  1  0.881  0.273  0.018  1.0
  O  O21  1  0.113  0.722  0.678  1.0
  O  O22  1  0.188  0.348  0.484  1.0
  O  O23  1  0.802  0.645  0.573  1.0
  O  O24  1  0.645  0.802  0.573  1.0
  O  O25  1  0.348  0.188  0.484  1.0
[/CIF]
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