The crystal structure described by MnAl(WO4)2 is Hydrophilite-derived structured and crystallizes in the monoclinic P2 space group. There are two inequivalent W sites. In the first W site, W(1) is bonded to one O(1), one O(3), one O(4), one O(6), one O(7), and one O(8) atom to form distorted WO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, corners with two equivalent Al(1)O6 octahedra, corners with two equivalent Al(2)O6 octahedra, and edges with two equivalent W(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 40-60°. In the second W site, W(2) is bonded to one O(2), one O(3), one O(4), one O(5), one O(7), and one O(8) atom to form WO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, corners with two equivalent Al(1)O6 octahedra, corners with two equivalent Al(2)O6 octahedra, and edges with two equivalent W(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 40-56°. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to two equivalent O(2), two equivalent O(3), and two equivalent O(6) atoms to form MnO6 octahedra that share corners with four equivalent W(1)O6 octahedra, corners with four equivalent W(2)O6 octahedra, and edges with two equivalent Al(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-60°. In the second Mn site, Mn(2) is bonded to two equivalent O(1), two equivalent O(4), and two equivalent O(5) atoms to form MnO6 octahedra that share corners with four equivalent W(1)O6 octahedra, corners with four equivalent W(2)O6 octahedra, and edges with two equivalent Al(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-59°. There are two inequivalent Al sites. In the first Al site, Al(1) is bonded to two equivalent O(1), two equivalent O(5), and two equivalent O(7) atoms to form AlO6 octahedra that share corners with four equivalent W(1)O6 octahedra, corners with four equivalent W(2)O6 octahedra, and edges with two equivalent Mn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 40-53°. In the second Al site, Al(2) is bonded to two equivalent O(2), two equivalent O(6), and two equivalent O(8) atoms to form AlO6 octahedra that share corners with four equivalent W(1)O6 octahedra, corners with four equivalent W(2)O6 octahedra, and edges with two equivalent Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 40-53°. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one W(1), one Mn(2), and one Al(1) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one W(2), one Mn(1), and one Al(2) atom. In the third O site, O(3) is bonded in a trigonal planar geometry to one W(1), one W(2), and one Mn(1) atom. In the fourth O site, O(4) is bonded in a trigonal planar geometry to one W(1), one W(2), and one Mn(2) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one W(2), one Mn(2), and one Al(1) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one W(1), one Mn(1), and one Al(2) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one W(1), one W(2), and one Al(1) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one W(1), one W(2), and one Al(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_MnAl(WO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.123
_cell_length_b   5.674
_cell_length_c   9.270
_cell_angle_alpha   90.000
_cell_angle_beta   91.567
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   269.367
_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
  Mn  Mn0  1  0.250  0.643  0.750  1.0
  Mn  Mn1  1  0.750  0.347  0.250  1.0
  Al  Al2  1  0.250  0.656  0.250  1.0
  Al  Al3  1  0.750  0.335  0.750  1.0
  W  W4  1  0.248  0.169  0.501  1.0
  W  W5  1  0.252  0.169  0.999  1.0
  W  W6  1  0.743  0.838  0.498  1.0
  W  W7  1  0.757  0.838  0.002  1.0
  O  O8  1  0.377  0.397  0.130  1.0
  O  O9  1  0.123  0.397  0.370  1.0
  O  O10  1  0.624  0.609  0.875  1.0
  O  O11  1  0.876  0.609  0.625  1.0
  O  O12  1  0.432  0.886  0.608  1.0
  O  O13  1  0.068  0.886  0.892  1.0
  O  O14  1  0.584  0.115  0.393  1.0
  O  O15  1  0.916  0.115  0.107  1.0
  O  O16  1  0.931  0.645  0.139  1.0
  O  O17  1  0.569  0.645  0.361  1.0
  O  O18  1  0.061  0.359  0.856  1.0
  O  O19  1  0.439  0.359  0.644  1.0
  O  O20  1  0.428  0.879  0.113  1.0
  O  O21  1  0.582  0.113  0.883  1.0
  O  O22  1  0.072  0.879  0.387  1.0
  O  O23  1  0.918  0.113  0.617  1.0
[/CIF]
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The crystal structure described by MnAl(WO4)2 is Hydrophilite-derived structured and crystallizes in the monoclinic P2 space group. There are two inequivalent W sites. In the first W site, W(1) is bonded to one O(1), one O(3), one O(4), one O(6), one O(7), and one O(8) atom to form distorted WO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, corners with two equivalent Al(1)O6 octahedra, corners with two equivalent Al(2)O6 octahedra, and edges with two equivalent W(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 40-60°. In the second W site, W(2) is bonded to one O(2), one O(3), one O(4), one O(5), one O(7), and one O(8) atom to form WO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, corners with two equivalent Al(1)O6 octahedra, corners with two equivalent Al(2)O6 octahedra, and edges with two equivalent W(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 40-56°. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to two equivalent O(2), two equivalent O(3), and two equivalent O(6) atoms to form MnO6 octahedra that share corners with four equivalent W(1)O6 octahedra, corners with four equivalent W(2)O6 octahedra, and edges with two equivalent Al(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-60°. In the second Mn site, Mn(2) is bonded to two equivalent O(1), two equivalent O(4), and two equivalent O(5) atoms to form MnO6 octahedra that share corners with four equivalent W(1)O6 octahedra, corners with four equivalent W(2)O6 octahedra, and edges with two equivalent Al(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-59°. There are two inequivalent Al sites. In the first Al site, Al(1) is bonded to two equivalent O(1), two equivalent O(5), and two equivalent O(7) atoms to form AlO6 octahedra that share corners with four equivalent W(1)O6 octahedra, corners with four equivalent W(2)O6 octahedra, and edges with two equivalent Mn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 40-53°. In the second Al site, Al(2) is bonded to two equivalent O(2), two equivalent O(6), and two equivalent O(8) atoms to form AlO6 octahedra that share corners with four equivalent W(1)O6 octahedra, corners with four equivalent W(2)O6 octahedra, and edges with two equivalent Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 40-53°. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one W(1), one Mn(2), and one Al(1) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one W(2), one Mn(1), and one Al(2) atom. In the third O site, O(3) is bonded in a trigonal planar geometry to one W(1), one W(2), and one Mn(1) atom. In the fourth O site, O(4) is bonded in a trigonal planar geometry to one W(1), one W(2), and one Mn(2) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one W(2), one Mn(2), and one Al(1) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one W(1), one Mn(1), and one Al(2) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one W(1), one W(2), and one Al(1) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one W(1), one W(2), and one Al(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_MnAl(WO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.123
_cell_length_b   5.674
_cell_length_c   9.270
_cell_angle_alpha   90.000
_cell_angle_beta   91.567
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   269.367
_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
  Mn  Mn0  1  0.250  0.643  0.750  1.0
  Mn  Mn1  1  0.750  0.347  0.250  1.0
  Al  Al2  1  0.250  0.656  0.250  1.0
  Al  Al3  1  0.750  0.335  0.750  1.0
  W  W4  1  0.248  0.169  0.501  1.0
  W  W5  1  0.252  0.169  0.999  1.0
  W  W6  1  0.743  0.838  0.498  1.0
  W  W7  1  0.757  0.838  0.002  1.0
  O  O8  1  0.377  0.397  0.130  1.0
  O  O9  1  0.123  0.397  0.370  1.0
  O  O10  1  0.624  0.609  0.875  1.0
  O  O11  1  0.876  0.609  0.625  1.0
  O  O12  1  0.432  0.886  0.608  1.0
  O  O13  1  0.068  0.886  0.892  1.0
  O  O14  1  0.584  0.115  0.393  1.0
  O  O15  1  0.916  0.115  0.107  1.0
  O  O16  1  0.931  0.645  0.139  1.0
  O  O17  1  0.569  0.645  0.361  1.0
  O  O18  1  0.061  0.359  0.856  1.0
  O  O19  1  0.439  0.359  0.644  1.0
  O  O20  1  0.428  0.879  0.113  1.0
  O  O21  1  0.582  0.113  0.883  1.0
  O  O22  1  0.072  0.879  0.387  1.0
  O  O23  1  0.918  0.113  0.617  1.0
[/CIF]
.