The compound described by La3MoO7 crystallizes in the orthorhombic P2_12_12_1 space group. There are three inequivalent La sites. In the first La site, La(1) is bonded in a 7-coordinate geometry to one O(3), one O(4), one O(6), two equivalent O(1), and two equivalent O(2) atoms. In the second La site, La(2) is bonded in a 7-coordinate geometry to one O(3), one O(4), one O(5), one O(6), one O(7), and two equivalent O(1) atoms. In the third La site, La(3) is bonded to one O(3), one O(4), one O(5), one O(6), one O(7), and two equivalent O(2) atoms to form distorted LaO7 pentagonal bipyramids that share corners with two equivalent Mo(1)O6 octahedra, corners with two equivalent La(3)O7 pentagonal bipyramids, and edges with two equivalent Mo(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 40-44°. Mo(1) is bonded to one O(3), one O(4), one O(6), one O(7), and two equivalent O(5) atoms to form MoO6 octahedra that share corners with two equivalent Mo(1)O6 octahedra, corners with two equivalent La(3)O7 pentagonal bipyramids, and edges with two equivalent La(3)O7 pentagonal bipyramids. The corner-sharing octahedral tilt angles are 35°. There are seven inequivalent O sites. In the first O site, O(5) is bonded in a 4-coordinate geometry to one La(2), one La(3), and two equivalent Mo(1) atoms. In the second O site, O(6) is bonded to one La(1), one La(2), one La(3), and one Mo(1) atom to form OLa3Mo tetrahedra that share corners with two equivalent O(1)La4 tetrahedra, corners with two equivalent O(2)La4 tetrahedra,  an edgeedge with one O(1)La4 tetrahedra,  an edgeedge with one O(2)La4 tetrahedra, and edges with two equivalent O(4)La3Mo trigonal pyramids. In the third O site, O(7) is bonded in a 3-coordinate geometry to one La(2), one La(3), and one Mo(1) atom. In the fourth O site, O(1) is bonded to two equivalent La(1) and two equivalent La(2) atoms to form OLa4 tetrahedra that share corners with two equivalent O(6)La3Mo tetrahedra, corners with two equivalent O(2)La4 tetrahedra, corners with four equivalent O(1)La4 tetrahedra, corners with two equivalent O(4)La3Mo trigonal pyramids,  an edgeedge with one O(6)La3Mo tetrahedra,  an edgeedge with one O(2)La4 tetrahedra, and  an edgeedge with one O(4)La3Mo trigonal pyramid. In the fifth O site, O(2) is bonded to two equivalent La(1) and two equivalent La(3) atoms to form OLa4 tetrahedra that share corners with two equivalent O(6)La3Mo tetrahedra, corners with two equivalent O(1)La4 tetrahedra, corners with four equivalent O(2)La4 tetrahedra, corners with two equivalent O(4)La3Mo trigonal pyramids,  an edgeedge with one O(6)La3Mo tetrahedra,  an edgeedge with one O(1)La4 tetrahedra, and  an edgeedge with one O(4)La3Mo trigonal pyramid. In the sixth O site, O(3) is bonded in a distorted rectangular see-saw-like geometry to one La(1), one La(2), one La(3), and one Mo(1) atom. In the seventh O site, O(4) is bonded to one La(1), one La(2), one La(3), and one Mo(1) atom to form distorted OLa3Mo trigonal pyramids that share corners with two equivalent O(1)La4 tetrahedra, corners with two equivalent O(2)La4 tetrahedra,  an edgeedge with one O(1)La4 tetrahedra,  an edgeedge with one O(2)La4 tetrahedra, and edges with two equivalent O(6)La3Mo tetrahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_La3MoO7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.725
_cell_length_b   7.809
_cell_length_c   11.125
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   671.101
_cell_formula_units_Z   4
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  0.528  0.992  0.754  1.0
  La  La1  1  0.294  0.253  0.467  1.0
  La  La2  1  0.206  0.747  0.967  1.0
  La  La3  1  0.706  0.753  0.033  1.0
  La  La4  1  0.794  0.247  0.533  1.0
  La  La5  1  0.028  0.508  0.246  1.0
  La  La6  1  0.472  0.492  0.746  1.0
  La  La7  1  0.972  0.008  0.254  1.0
  La  La8  1  0.697  0.747  0.481  1.0
  La  La9  1  0.197  0.753  0.519  1.0
  La  La10  1  0.303  0.247  0.019  1.0
  La  La11  1  0.803  0.253  0.981  1.0
  Mo  Mo12  1  0.499  1.000  0.249  1.0
  Mo  Mo13  1  0.999  0.500  0.751  1.0
  Mo  Mo14  1  0.501  0.500  0.251  1.0
  Mo  Mo15  1  0.001  0.000  0.749  1.0
  O  O16  1  0.509  0.240  0.619  1.0
  O  O17  1  0.009  0.260  0.381  1.0
  O  O18  1  0.491  0.740  0.881  1.0
  O  O19  1  0.991  0.760  0.119  1.0
  O  O20  1  0.536  0.253  0.883  1.0
  O  O21  1  0.036  0.247  0.117  1.0
  O  O22  1  0.464  0.753  0.617  1.0
  O  O23  1  0.964  0.747  0.383  1.0
  O  O24  1  0.306  0.969  0.370  1.0
  O  O25  1  0.806  0.531  0.630  1.0
  O  O26  1  0.694  0.469  0.130  1.0
  O  O27  1  0.194  0.031  0.870  1.0
  O  O28  1  0.676  0.035  0.374  1.0
  O  O29  1  0.176  0.465  0.626  1.0
  O  O30  1  0.324  0.535  0.126  1.0
  O  O31  1  0.824  0.965  0.874  1.0
  O  O32  1  0.578  0.746  0.257  1.0
  O  O33  1  0.078  0.754  0.743  1.0
  O  O34  1  0.422  0.246  0.243  1.0
  O  O35  1  0.922  0.254  0.757  1.0
  O  O36  1  0.788  0.966  0.630  1.0
  O  O37  1  0.288  0.534  0.370  1.0
  O  O38  1  0.367  0.952  0.109  1.0
  O  O39  1  0.712  0.034  0.130  1.0
  O  O40  1  0.133  0.048  0.609  1.0
  O  O41  1  0.633  0.452  0.391  1.0
  O  O42  1  0.867  0.548  0.891  1.0
  O  O43  1  0.212  0.466  0.870  1.0
[/CIF]
.
The compound described by La3MoO7 crystallizes in the orthorhombic P2_12_12_1 space group. There are three inequivalent La sites. In the first La site, La(1) is bonded in a 7-coordinate geometry to one O(3), one O(4), one O(6), two equivalent O(1), and two equivalent O(2) atoms. In the second La site, La(2) is bonded in a 7-coordinate geometry to one O(3), one O(4), one O(5), one O(6), one O(7), and two equivalent O(1) atoms. In the third La site, La(3) is bonded to one O(3), one O(4), one O(5), one O(6), one O(7), and two equivalent O(2) atoms to form distorted LaO7 pentagonal bipyramids that share corners with two equivalent Mo(1)O6 octahedra, corners with two equivalent La(3)O7 pentagonal bipyramids, and edges with two equivalent Mo(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 40-44°. Mo(1) is bonded to one O(3), one O(4), one O(6), one O(7), and two equivalent O(5) atoms to form MoO6 octahedra that share corners with two equivalent Mo(1)O6 octahedra, corners with two equivalent La(3)O7 pentagonal bipyramids, and edges with two equivalent La(3)O7 pentagonal bipyramids. The corner-sharing octahedral tilt angles are 35°. There are seven inequivalent O sites. In the first O site, O(5) is bonded in a 4-coordinate geometry to one La(2), one La(3), and two equivalent Mo(1) atoms. In the second O site, O(6) is bonded to one La(1), one La(2), one La(3), and one Mo(1) atom to form OLa3Mo tetrahedra that share corners with two equivalent O(1)La4 tetrahedra, corners with two equivalent O(2)La4 tetrahedra,  an edgeedge with one O(1)La4 tetrahedra,  an edgeedge with one O(2)La4 tetrahedra, and edges with two equivalent O(4)La3Mo trigonal pyramids. In the third O site, O(7) is bonded in a 3-coordinate geometry to one La(2), one La(3), and one Mo(1) atom. In the fourth O site, O(1) is bonded to two equivalent La(1) and two equivalent La(2) atoms to form OLa4 tetrahedra that share corners with two equivalent O(6)La3Mo tetrahedra, corners with two equivalent O(2)La4 tetrahedra, corners with four equivalent O(1)La4 tetrahedra, corners with two equivalent O(4)La3Mo trigonal pyramids,  an edgeedge with one O(6)La3Mo tetrahedra,  an edgeedge with one O(2)La4 tetrahedra, and  an edgeedge with one O(4)La3Mo trigonal pyramid. In the fifth O site, O(2) is bonded to two equivalent La(1) and two equivalent La(3) atoms to form OLa4 tetrahedra that share corners with two equivalent O(6)La3Mo tetrahedra, corners with two equivalent O(1)La4 tetrahedra, corners with four equivalent O(2)La4 tetrahedra, corners with two equivalent O(4)La3Mo trigonal pyramids,  an edgeedge with one O(6)La3Mo tetrahedra,  an edgeedge with one O(1)La4 tetrahedra, and  an edgeedge with one O(4)La3Mo trigonal pyramid. In the sixth O site, O(3) is bonded in a distorted rectangular see-saw-like geometry to one La(1), one La(2), one La(3), and one Mo(1) atom. In the seventh O site, O(4) is bonded to one La(1), one La(2), one La(3), and one Mo(1) atom to form distorted OLa3Mo trigonal pyramids that share corners with two equivalent O(1)La4 tetrahedra, corners with two equivalent O(2)La4 tetrahedra,  an edgeedge with one O(1)La4 tetrahedra,  an edgeedge with one O(2)La4 tetrahedra, and edges with two equivalent O(6)La3Mo tetrahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_La3MoO7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.725
_cell_length_b   7.809
_cell_length_c   11.125
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   671.101
_cell_formula_units_Z   4
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  0.528  0.992  0.754  1.0
  La  La1  1  0.294  0.253  0.467  1.0
  La  La2  1  0.206  0.747  0.967  1.0
  La  La3  1  0.706  0.753  0.033  1.0
  La  La4  1  0.794  0.247  0.533  1.0
  La  La5  1  0.028  0.508  0.246  1.0
  La  La6  1  0.472  0.492  0.746  1.0
  La  La7  1  0.972  0.008  0.254  1.0
  La  La8  1  0.697  0.747  0.481  1.0
  La  La9  1  0.197  0.753  0.519  1.0
  La  La10  1  0.303  0.247  0.019  1.0
  La  La11  1  0.803  0.253  0.981  1.0
  Mo  Mo12  1  0.499  1.000  0.249  1.0
  Mo  Mo13  1  0.999  0.500  0.751  1.0
  Mo  Mo14  1  0.501  0.500  0.251  1.0
  Mo  Mo15  1  0.001  0.000  0.749  1.0
  O  O16  1  0.509  0.240  0.619  1.0
  O  O17  1  0.009  0.260  0.381  1.0
  O  O18  1  0.491  0.740  0.881  1.0
  O  O19  1  0.991  0.760  0.119  1.0
  O  O20  1  0.536  0.253  0.883  1.0
  O  O21  1  0.036  0.247  0.117  1.0
  O  O22  1  0.464  0.753  0.617  1.0
  O  O23  1  0.964  0.747  0.383  1.0
  O  O24  1  0.306  0.969  0.370  1.0
  O  O25  1  0.806  0.531  0.630  1.0
  O  O26  1  0.694  0.469  0.130  1.0
  O  O27  1  0.194  0.031  0.870  1.0
  O  O28  1  0.676  0.035  0.374  1.0
  O  O29  1  0.176  0.465  0.626  1.0
  O  O30  1  0.324  0.535  0.126  1.0
  O  O31  1  0.824  0.965  0.874  1.0
  O  O32  1  0.578  0.746  0.257  1.0
  O  O33  1  0.078  0.754  0.743  1.0
  O  O34  1  0.422  0.246  0.243  1.0
  O  O35  1  0.922  0.254  0.757  1.0
  O  O36  1  0.788  0.966  0.630  1.0
  O  O37  1  0.288  0.534  0.370  1.0
  O  O38  1  0.367  0.952  0.109  1.0
  O  O39  1  0.712  0.034  0.130  1.0
  O  O40  1  0.133  0.048  0.609  1.0
  O  O41  1  0.633  0.452  0.391  1.0
  O  O42  1  0.867  0.548  0.891  1.0
  O  O43  1  0.212  0.466  0.870  1.0
[/CIF]
.