The structure described by CsMgFe(MoO4)2 crystallizes in the triclinic P1 space group. Cs(1) is bonded to one O(3), one O(4), one O(5), one O(6), one O(7), one O(8), three equivalent O(1), and three equivalent O(2) atoms to form distorted CsO12 cuboctahedra that share edges with six equivalent Cs(1)O12 cuboctahedra, edges with three equivalent Mg(1)O4 tetrahedra, edges with three equivalent Mo(1)O4 tetrahedra, edges with three equivalent Mo(2)O4 tetrahedra, and faces with two equivalent Fe(1)O6 octahedra. Mg(1) is bonded to one O(1), one O(6), one O(7), and one O(8) atom to form MgO4 tetrahedra that share corners with three equivalent Fe(1)O6 octahedra,  a cornercorner with one Mo(1)O4 tetrahedra, corners with three equivalent Mo(2)O4 tetrahedra, and edges with three equivalent Cs(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 55-59°. There are two inequivalent Mo sites. In the first Mo site, Mo(1) is bonded to one O(1), one O(3), one O(4), and one O(5) atom to form MoO4 tetrahedra that share corners with three equivalent Fe(1)O6 octahedra,  a cornercorner with one Mg(1)O4 tetrahedra, and edges with three equivalent Cs(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 32-33°. In the second Mo site, Mo(2) is bonded to one O(2), one O(6), one O(7), and one O(8) atom to form MoO4 tetrahedra that share corners with three equivalent Fe(1)O6 octahedra, corners with three equivalent Mg(1)O4 tetrahedra, and edges with three equivalent Cs(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles are 56°. Fe(1) is bonded to one O(3), one O(4), one O(5), one O(6), one O(7), and one O(8) atom to form FeO6 octahedra that share corners with three equivalent Mg(1)O4 tetrahedra, corners with three equivalent Mo(1)O4 tetrahedra, corners with three equivalent Mo(2)O4 tetrahedra, and faces with two equivalent Cs(1)O12 cuboctahedra. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a linear geometry to three equivalent Cs(1), one Mg(1), and one Mo(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to three equivalent Cs(1) and one Mo(2) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one Cs(1), one Mo(1), and one Fe(1) atom. In the fourth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one Cs(1), one Mo(1), and one Fe(1) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Cs(1), one Mo(1), and one Fe(1) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Cs(1), one Mg(1), one Mo(2), and one Fe(1) atom. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Cs(1), one Mg(1), one Mo(2), and one Fe(1) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one Cs(1), one Mg(1), one Mo(2), and one Fe(1) atom. is represented by the CIF file [CIF]
data_CsMgFe(MoO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.642
_cell_length_b   5.634
_cell_length_c   7.648
_cell_angle_alpha   90.915
_cell_angle_beta   90.552
_cell_angle_gamma   119.213
_symmetry_Int_Tables_number   1
_cell_volume   212.146
_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
  Cs  Cs0  1  0.997  0.998  0.488  1.0
  Mg  Mg1  1  0.326  0.671  0.750  1.0
  Fe  Fe2  1  0.990  0.993  0.993  1.0
  Mo  Mo3  1  0.330  0.658  0.241  1.0
  Mo  Mo4  1  0.667  0.341  0.765  1.0
  O  O5  1  0.340  0.666  0.482  1.0
  O  O6  1  0.708  0.339  0.536  1.0
  O  O7  1  0.080  0.328  0.158  1.0
  O  O8  1  0.655  0.737  0.160  1.0
  O  O9  1  0.247  0.905  0.163  1.0
  O  O10  1  0.991  0.680  0.829  1.0
  O  O11  1  0.341  0.340  0.830  1.0
  O  O12  1  0.661  0.011  0.831  1.0
[/CIF]
.
The structure described by CsMgFe(MoO4)2 crystallizes in the triclinic P1 space group. Cs(1) is bonded to one O(3), one O(4), one O(5), one O(6), one O(7), one O(8), three equivalent O(1), and three equivalent O(2) atoms to form distorted CsO12 cuboctahedra that share edges with six equivalent Cs(1)O12 cuboctahedra, edges with three equivalent Mg(1)O4 tetrahedra, edges with three equivalent Mo(1)O4 tetrahedra, edges with three equivalent Mo(2)O4 tetrahedra, and faces with two equivalent Fe(1)O6 octahedra. Mg(1) is bonded to one O(1), one O(6), one O(7), and one O(8) atom to form MgO4 tetrahedra that share corners with three equivalent Fe(1)O6 octahedra,  a cornercorner with one Mo(1)O4 tetrahedra, corners with three equivalent Mo(2)O4 tetrahedra, and edges with three equivalent Cs(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 55-59°. There are two inequivalent Mo sites. In the first Mo site, Mo(1) is bonded to one O(1), one O(3), one O(4), and one O(5) atom to form MoO4 tetrahedra that share corners with three equivalent Fe(1)O6 octahedra,  a cornercorner with one Mg(1)O4 tetrahedra, and edges with three equivalent Cs(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 32-33°. In the second Mo site, Mo(2) is bonded to one O(2), one O(6), one O(7), and one O(8) atom to form MoO4 tetrahedra that share corners with three equivalent Fe(1)O6 octahedra, corners with three equivalent Mg(1)O4 tetrahedra, and edges with three equivalent Cs(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles are 56°. Fe(1) is bonded to one O(3), one O(4), one O(5), one O(6), one O(7), and one O(8) atom to form FeO6 octahedra that share corners with three equivalent Mg(1)O4 tetrahedra, corners with three equivalent Mo(1)O4 tetrahedra, corners with three equivalent Mo(2)O4 tetrahedra, and faces with two equivalent Cs(1)O12 cuboctahedra. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a linear geometry to three equivalent Cs(1), one Mg(1), and one Mo(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to three equivalent Cs(1) and one Mo(2) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one Cs(1), one Mo(1), and one Fe(1) atom. In the fourth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one Cs(1), one Mo(1), and one Fe(1) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Cs(1), one Mo(1), and one Fe(1) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Cs(1), one Mg(1), one Mo(2), and one Fe(1) atom. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Cs(1), one Mg(1), one Mo(2), and one Fe(1) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one Cs(1), one Mg(1), one Mo(2), and one Fe(1) atom. is represented by the CIF file [CIF]
data_CsMgFe(MoO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.642
_cell_length_b   5.634
_cell_length_c   7.648
_cell_angle_alpha   90.915
_cell_angle_beta   90.552
_cell_angle_gamma   119.213
_symmetry_Int_Tables_number   1
_cell_volume   212.146
_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
  Cs  Cs0  1  0.997  0.998  0.488  1.0
  Mg  Mg1  1  0.326  0.671  0.750  1.0
  Fe  Fe2  1  0.990  0.993  0.993  1.0
  Mo  Mo3  1  0.330  0.658  0.241  1.0
  Mo  Mo4  1  0.667  0.341  0.765  1.0
  O  O5  1  0.340  0.666  0.482  1.0
  O  O6  1  0.708  0.339  0.536  1.0
  O  O7  1  0.080  0.328  0.158  1.0
  O  O8  1  0.655  0.737  0.160  1.0
  O  O9  1  0.247  0.905  0.163  1.0
  O  O10  1  0.991  0.680  0.829  1.0
  O  O11  1  0.341  0.340  0.830  1.0
  O  O12  1  0.661  0.011  0.831  1.0
[/CIF]
.