The compound described by (Mo2Co2O9)4O2 crystallizes in the triclinic P1 space group. The structure consists of one water atom inside a Mo2Co2O9 framework. In the Mo2Co2O9 framework, there are four inequivalent Mo sites. In the first Mo site, Mo(1) is bonded to one O(1), one O(13), one O(17), and one O(7) atom to form MoO4 tetrahedra that share  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra, corners with two equivalent Co(3)O6 octahedra, and corners with two equivalent Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 22-63°. In the second Mo site, Mo(2) is bonded to one O(14), one O(18), one O(2), and one O(8) atom to form MoO4 tetrahedra that share  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra, corners with two equivalent Co(3)O6 octahedra, and corners with two equivalent Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 20-63°. In the third Mo site, Mo(3) is bonded to one O(11), one O(3), one O(5), and one O(9) atom to form MoO4 tetrahedra that share  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one Co(3)O6 octahedra,  a cornercorner with one Co(4)O6 octahedra, and corners with two equivalent Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 19-62°. In the fourth Mo site, Mo(4) is bonded to one O(10), one O(12), one O(4), and one O(6) atom to form MoO4 tetrahedra that share  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one Co(3)O6 octahedra,  a cornercorner with one Co(4)O6 octahedra, and corners with two equivalent Co(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 19-61°. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(11), one O(15), one O(2), one O(4), one O(7), and one O(9) atom to form distorted CoO6 octahedra that share  a cornercorner with one Mo(1)O4 tetrahedra,  a cornercorner with one Mo(2)O4 tetrahedra,  a cornercorner with one Mo(4)O4 tetrahedra, corners with two equivalent Mo(3)O4 tetrahedra, and  an edgeedge with one Co(3)O6 octahedra. In the second Co site, Co(2) is bonded to one O(1), one O(10), one O(12), one O(16), one O(3), and one O(8) atom to form distorted CoO6 octahedra that share  a cornercorner with one Mo(1)O4 tetrahedra,  a cornercorner with one Mo(2)O4 tetrahedra,  a cornercorner with one Mo(3)O4 tetrahedra, corners with two equivalent Mo(4)O4 tetrahedra, and  an edgeedge with one Co(4)O6 octahedra. In the third Co site, Co(3) is bonded to one O(11), one O(13), one O(14), one O(18), one O(6), and one O(7) atom to form CoO6 octahedra that share  a cornercorner with one Mo(3)O4 tetrahedra,  a cornercorner with one Mo(4)O4 tetrahedra, corners with two equivalent Mo(1)O4 tetrahedra, corners with two equivalent Mo(2)O4 tetrahedra,  an edgeedge with one Co(1)O6 octahedra, and  an edgeedge with one Co(4)O6 octahedra. In the fourth Co site, Co(4) is bonded to one O(12), one O(13), one O(14), one O(17), one O(5), and one O(8) atom to form CoO6 octahedra that share  a cornercorner with one Mo(3)O4 tetrahedra,  a cornercorner with one Mo(4)O4 tetrahedra, corners with two equivalent Mo(1)O4 tetrahedra, corners with two equivalent Mo(2)O4 tetrahedra,  an edgeedge with one Co(2)O6 octahedra, and  an edgeedge with one Co(3)O6 octahedra. There are eighteen inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Mo(1) and one Co(2) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Mo(2) and one Co(1) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one Mo(3) and one Co(2) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one Mo(4) and one Co(1) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Mo(3) and one Co(4) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one Mo(4) and one Co(3) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Mo(1), one Co(1), and one Co(3) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Mo(2), one Co(2), and one Co(4) atom. In the ninth O site, O(9) is bonded in a bent 150 degrees geometry to one Mo(3) and one Co(1) atom. In the tenth O site, O(10) is bonded in a bent 150 degrees geometry to one Mo(4) and one Co(2) atom. In the eleventh O site, O(11) is bonded in a distorted trigonal planar geometry to one Mo(3), one Co(1), and one Co(3) atom. In the twelfth O site, O(12) is bonded in a distorted trigonal planar geometry to one Mo(4), one Co(2), and one Co(4) atom. In the thirteenth O site, O(13) is bonded in a distorted trigonal planar geometry to one Mo(1), one Co(3), and one Co(4) atom. In the fourteenth O site, O(14) is bonded in a distorted trigonal planar geometry to one Mo(2), one Co(3), and one Co(4) atom. In the fifteenth O site, O(15) is bonded in a single-bond geometry to one Co(1) atom. In the sixteenth O site, O(16) is bonded in a single-bond geometry to one Co(2) atom. In the seventeenth O site, O(17) is bonded in a bent 150 degrees geometry to one Mo(1) and one Co(4) atom. In the eighteenth O site, O(18) is bonded in a bent 150 degrees geometry to one Mo(2) and one Co(3) atom. is represented by the CIF file [CIF]
data_Co4Mo4O19
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.872
_cell_length_b   6.944
_cell_length_c   9.428
_cell_angle_alpha   76.975
_cell_angle_beta   81.319
_cell_angle_gamma   74.967
_symmetry_Int_Tables_number   1
_cell_volume   421.287
_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
  Co  Co0  1  0.833  0.350  0.307  1.0
  Co  Co1  1  0.166  0.648  0.693  1.0
  Co  Co2  1  0.804  0.168  0.032  1.0
  Co  Co3  1  0.200  0.829  0.967  1.0
  Mo  Mo4  1  0.758  0.702  0.946  1.0
  Mo  Mo5  1  0.243  0.298  0.054  1.0
  Mo  Mo6  1  0.989  0.806  0.320  1.0
  Mo  Mo7  1  0.011  0.194  0.679  1.0
  O  O8  1  0.875  0.683  0.764  1.0
  O  O9  1  0.125  0.316  0.236  1.0
  O  O10  1  0.077  0.777  0.492  1.0
  O  O11  1  0.921  0.224  0.508  1.0
  O  O12  1  0.205  0.750  0.193  1.0
  O  O13  1  0.796  0.250  0.807  1.0
  O  O14  1  0.795  0.454  0.069  1.0
  O  O15  1  0.204  0.546  0.931  1.0
  O  O16  1  0.837  0.629  0.328  1.0
  O  O17  1  0.163  0.371  0.672  1.0
  O  O18  1  0.855  0.077  0.253  1.0
  O  O19  1  0.146  0.923  0.747  1.0
  O  O20  1  0.873  0.866  0.015  1.0
  O  O21  1  0.128  0.133  0.985  1.0
  O  O22  1  0.593  0.383  0.353  1.0
  O  O23  1  0.406  0.615  0.647  1.0
  O  O24  1  0.498  0.811  0.938  1.0
  O  O25  1  0.504  0.192  0.062  1.0
  O  O26  1  0.455  0.020  0.460  1.0
[/CIF]
.
The compound described by (Mo2Co2O9)4O2 crystallizes in the triclinic P1 space group. The structure consists of one water atom inside a Mo2Co2O9 framework. In the Mo2Co2O9 framework, there are four inequivalent Mo sites. In the first Mo site, Mo(1) is bonded to one O(1), one O(13), one O(17), and one O(7) atom to form MoO4 tetrahedra that share  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra, corners with two equivalent Co(3)O6 octahedra, and corners with two equivalent Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 22-63°. In the second Mo site, Mo(2) is bonded to one O(14), one O(18), one O(2), and one O(8) atom to form MoO4 tetrahedra that share  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra, corners with two equivalent Co(3)O6 octahedra, and corners with two equivalent Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 20-63°. In the third Mo site, Mo(3) is bonded to one O(11), one O(3), one O(5), and one O(9) atom to form MoO4 tetrahedra that share  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one Co(3)O6 octahedra,  a cornercorner with one Co(4)O6 octahedra, and corners with two equivalent Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 19-62°. In the fourth Mo site, Mo(4) is bonded to one O(10), one O(12), one O(4), and one O(6) atom to form MoO4 tetrahedra that share  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one Co(3)O6 octahedra,  a cornercorner with one Co(4)O6 octahedra, and corners with two equivalent Co(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 19-61°. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(11), one O(15), one O(2), one O(4), one O(7), and one O(9) atom to form distorted CoO6 octahedra that share  a cornercorner with one Mo(1)O4 tetrahedra,  a cornercorner with one Mo(2)O4 tetrahedra,  a cornercorner with one Mo(4)O4 tetrahedra, corners with two equivalent Mo(3)O4 tetrahedra, and  an edgeedge with one Co(3)O6 octahedra. In the second Co site, Co(2) is bonded to one O(1), one O(10), one O(12), one O(16), one O(3), and one O(8) atom to form distorted CoO6 octahedra that share  a cornercorner with one Mo(1)O4 tetrahedra,  a cornercorner with one Mo(2)O4 tetrahedra,  a cornercorner with one Mo(3)O4 tetrahedra, corners with two equivalent Mo(4)O4 tetrahedra, and  an edgeedge with one Co(4)O6 octahedra. In the third Co site, Co(3) is bonded to one O(11), one O(13), one O(14), one O(18), one O(6), and one O(7) atom to form CoO6 octahedra that share  a cornercorner with one Mo(3)O4 tetrahedra,  a cornercorner with one Mo(4)O4 tetrahedra, corners with two equivalent Mo(1)O4 tetrahedra, corners with two equivalent Mo(2)O4 tetrahedra,  an edgeedge with one Co(1)O6 octahedra, and  an edgeedge with one Co(4)O6 octahedra. In the fourth Co site, Co(4) is bonded to one O(12), one O(13), one O(14), one O(17), one O(5), and one O(8) atom to form CoO6 octahedra that share  a cornercorner with one Mo(3)O4 tetrahedra,  a cornercorner with one Mo(4)O4 tetrahedra, corners with two equivalent Mo(1)O4 tetrahedra, corners with two equivalent Mo(2)O4 tetrahedra,  an edgeedge with one Co(2)O6 octahedra, and  an edgeedge with one Co(3)O6 octahedra. There are eighteen inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Mo(1) and one Co(2) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Mo(2) and one Co(1) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one Mo(3) and one Co(2) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one Mo(4) and one Co(1) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Mo(3) and one Co(4) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one Mo(4) and one Co(3) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Mo(1), one Co(1), and one Co(3) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Mo(2), one Co(2), and one Co(4) atom. In the ninth O site, O(9) is bonded in a bent 150 degrees geometry to one Mo(3) and one Co(1) atom. In the tenth O site, O(10) is bonded in a bent 150 degrees geometry to one Mo(4) and one Co(2) atom. In the eleventh O site, O(11) is bonded in a distorted trigonal planar geometry to one Mo(3), one Co(1), and one Co(3) atom. In the twelfth O site, O(12) is bonded in a distorted trigonal planar geometry to one Mo(4), one Co(2), and one Co(4) atom. In the thirteenth O site, O(13) is bonded in a distorted trigonal planar geometry to one Mo(1), one Co(3), and one Co(4) atom. In the fourteenth O site, O(14) is bonded in a distorted trigonal planar geometry to one Mo(2), one Co(3), and one Co(4) atom. In the fifteenth O site, O(15) is bonded in a single-bond geometry to one Co(1) atom. In the sixteenth O site, O(16) is bonded in a single-bond geometry to one Co(2) atom. In the seventeenth O site, O(17) is bonded in a bent 150 degrees geometry to one Mo(1) and one Co(4) atom. In the eighteenth O site, O(18) is bonded in a bent 150 degrees geometry to one Mo(2) and one Co(3) atom. is represented by the CIF file [CIF]
data_Co4Mo4O19
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.872
_cell_length_b   6.944
_cell_length_c   9.428
_cell_angle_alpha   76.975
_cell_angle_beta   81.319
_cell_angle_gamma   74.967
_symmetry_Int_Tables_number   1
_cell_volume   421.287
_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
  Co  Co0  1  0.833  0.350  0.307  1.0
  Co  Co1  1  0.166  0.648  0.693  1.0
  Co  Co2  1  0.804  0.168  0.032  1.0
  Co  Co3  1  0.200  0.829  0.967  1.0
  Mo  Mo4  1  0.758  0.702  0.946  1.0
  Mo  Mo5  1  0.243  0.298  0.054  1.0
  Mo  Mo6  1  0.989  0.806  0.320  1.0
  Mo  Mo7  1  0.011  0.194  0.679  1.0
  O  O8  1  0.875  0.683  0.764  1.0
  O  O9  1  0.125  0.316  0.236  1.0
  O  O10  1  0.077  0.777  0.492  1.0
  O  O11  1  0.921  0.224  0.508  1.0
  O  O12  1  0.205  0.750  0.193  1.0
  O  O13  1  0.796  0.250  0.807  1.0
  O  O14  1  0.795  0.454  0.069  1.0
  O  O15  1  0.204  0.546  0.931  1.0
  O  O16  1  0.837  0.629  0.328  1.0
  O  O17  1  0.163  0.371  0.672  1.0
  O  O18  1  0.855  0.077  0.253  1.0
  O  O19  1  0.146  0.923  0.747  1.0
  O  O20  1  0.873  0.866  0.015  1.0
  O  O21  1  0.128  0.133  0.985  1.0
  O  O22  1  0.593  0.383  0.353  1.0
  O  O23  1  0.406  0.615  0.647  1.0
  O  O24  1  0.498  0.811  0.938  1.0
  O  O25  1  0.504  0.192  0.062  1.0
  O  O26  1  0.455  0.020  0.460  1.0
[/CIF]
.