The structure described by MnZn(GeO3)2 is Esseneite structured and crystallizes in the triclinic P-1 space group. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(10), one O(11), one O(12), one O(6), one O(8), and one O(9) atom to form MnO6 octahedra that share  a cornercorner with one Ge(1)O4 tetrahedra,  a cornercorner with one Ge(3)O4 tetrahedra, corners with two equivalent Ge(2)O4 tetrahedra, corners with two equivalent Ge(4)O4 tetrahedra, and edges with two equivalent Mn(2)O6 octahedra. In the second Mn site, Mn(2) is bonded to one O(10), one O(11), one O(12), one O(5), one O(7), and one O(9) atom to form MnO6 octahedra that share  a cornercorner with one Ge(2)O4 tetrahedra,  a cornercorner with one Ge(4)O4 tetrahedra, corners with two equivalent Ge(1)O4 tetrahedra, corners with two equivalent Ge(3)O4 tetrahedra, and edges with two equivalent Mn(1)O6 octahedra. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a rectangular see-saw-like geometry to one O(10), one O(11), one O(5), and one O(7) atom. In the second Zn site, Zn(2) is bonded in a rectangular see-saw-like geometry to one O(12), one O(6), one O(8), and one O(9) atom. There are four inequivalent Ge sites. In the first Ge site, Ge(1) is bonded to one O(1), one O(3), one O(7), and one O(9) atom to form GeO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, and corners with two equivalent Ge(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 48-60°. In the second Ge site, Ge(2) is bonded to one O(10), one O(2), one O(4), and one O(8) atom to form GeO4 tetrahedra that share  a cornercorner with one Mn(2)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, and corners with two equivalent Ge(4)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 48-60°. In the third Ge site, Ge(3) is bonded to one O(1), one O(11), one O(3), and one O(5) atom to form GeO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, and corners with two equivalent Ge(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 48-60°. In the fourth Ge site, Ge(4) is bonded to one O(12), one O(2), one O(4), and one O(6) atom to form GeO4 tetrahedra that share  a cornercorner with one Mn(2)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, and corners with two equivalent Ge(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 48-60°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Ge(1) and one Ge(3) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Ge(2) and one Ge(4) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Ge(1) and one Ge(3) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Ge(2) and one Ge(4) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Mn(2), one Zn(1), and one Ge(3) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Mn(1), one Zn(2), and one Ge(4) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one Mn(2), one Zn(1), and one Ge(1) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one Mn(1), one Zn(2), and one Ge(2) atom. In the ninth O site, O(9) is bonded in a distorted rectangular see-saw-like geometry to one Mn(1), one Mn(2), one Zn(2), and one Ge(1) atom. In the tenth O site, O(10) is bonded in a distorted rectangular see-saw-like geometry to one Mn(1), one Mn(2), one Zn(1), and one Ge(2) atom. In the eleventh O site, O(11) is bonded in a distorted rectangular see-saw-like geometry to one Mn(1), one Mn(2), one Zn(1), and one Ge(3) atom. In the twelfth O site, O(12) is bonded in a distorted rectangular see-saw-like geometry to one Mn(1), one Mn(2), one Zn(2), and one Ge(4) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_MnZn(GeO3)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.556
_cell_length_b   7.013
_cell_length_c   7.017
_cell_angle_alpha   86.771
_cell_angle_beta   75.866
_cell_angle_gamma   75.890
_symmetry_Int_Tables_number   1
_cell_volume   257.148
_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
  Ge  Ge0  1  0.730  0.390  0.219  1.0
  Ge  Ge1  1  0.770  0.781  0.610  1.0
  Ge  Ge2  1  0.270  0.610  0.781  1.0
  Ge  Ge3  1  0.230  0.219  0.390  1.0
  Mn  Mn4  1  0.750  0.898  0.103  1.0
  Mn  Mn5  1  0.250  0.102  0.897  1.0
  O  O6  1  0.494  0.315  0.409  1.0
  O  O7  1  0.006  0.590  0.685  1.0
  O  O8  1  0.506  0.685  0.591  1.0
  O  O9  1  0.994  0.410  0.314  1.0
  O  O10  1  0.104  0.141  0.627  1.0
  O  O11  1  0.396  0.372  0.859  1.0
  O  O12  1  0.896  0.859  0.373  1.0
  O  O13  1  0.604  0.628  0.141  1.0
  O  O14  1  0.849  0.203  0.036  1.0
  O  O15  1  0.652  0.964  0.797  1.0
  O  O16  1  0.151  0.797  0.964  1.0
  O  O17  1  0.348  0.036  0.203  1.0
  Zn  Zn18  1  0.750  0.235  0.765  1.0
  Zn  Zn19  1  0.250  0.765  0.235  1.0
[/CIF]
.
The structure described by MnZn(GeO3)2 is Esseneite structured and crystallizes in the triclinic P-1 space group. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(10), one O(11), one O(12), one O(6), one O(8), and one O(9) atom to form MnO6 octahedra that share  a cornercorner with one Ge(1)O4 tetrahedra,  a cornercorner with one Ge(3)O4 tetrahedra, corners with two equivalent Ge(2)O4 tetrahedra, corners with two equivalent Ge(4)O4 tetrahedra, and edges with two equivalent Mn(2)O6 octahedra. In the second Mn site, Mn(2) is bonded to one O(10), one O(11), one O(12), one O(5), one O(7), and one O(9) atom to form MnO6 octahedra that share  a cornercorner with one Ge(2)O4 tetrahedra,  a cornercorner with one Ge(4)O4 tetrahedra, corners with two equivalent Ge(1)O4 tetrahedra, corners with two equivalent Ge(3)O4 tetrahedra, and edges with two equivalent Mn(1)O6 octahedra. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a rectangular see-saw-like geometry to one O(10), one O(11), one O(5), and one O(7) atom. In the second Zn site, Zn(2) is bonded in a rectangular see-saw-like geometry to one O(12), one O(6), one O(8), and one O(9) atom. There are four inequivalent Ge sites. In the first Ge site, Ge(1) is bonded to one O(1), one O(3), one O(7), and one O(9) atom to form GeO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, and corners with two equivalent Ge(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 48-60°. In the second Ge site, Ge(2) is bonded to one O(10), one O(2), one O(4), and one O(8) atom to form GeO4 tetrahedra that share  a cornercorner with one Mn(2)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, and corners with two equivalent Ge(4)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 48-60°. In the third Ge site, Ge(3) is bonded to one O(1), one O(11), one O(3), and one O(5) atom to form GeO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, and corners with two equivalent Ge(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 48-60°. In the fourth Ge site, Ge(4) is bonded to one O(12), one O(2), one O(4), and one O(6) atom to form GeO4 tetrahedra that share  a cornercorner with one Mn(2)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, and corners with two equivalent Ge(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 48-60°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Ge(1) and one Ge(3) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Ge(2) and one Ge(4) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Ge(1) and one Ge(3) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Ge(2) and one Ge(4) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Mn(2), one Zn(1), and one Ge(3) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Mn(1), one Zn(2), and one Ge(4) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one Mn(2), one Zn(1), and one Ge(1) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one Mn(1), one Zn(2), and one Ge(2) atom. In the ninth O site, O(9) is bonded in a distorted rectangular see-saw-like geometry to one Mn(1), one Mn(2), one Zn(2), and one Ge(1) atom. In the tenth O site, O(10) is bonded in a distorted rectangular see-saw-like geometry to one Mn(1), one Mn(2), one Zn(1), and one Ge(2) atom. In the eleventh O site, O(11) is bonded in a distorted rectangular see-saw-like geometry to one Mn(1), one Mn(2), one Zn(1), and one Ge(3) atom. In the twelfth O site, O(12) is bonded in a distorted rectangular see-saw-like geometry to one Mn(1), one Mn(2), one Zn(2), and one Ge(4) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_MnZn(GeO3)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.556
_cell_length_b   7.013
_cell_length_c   7.017
_cell_angle_alpha   86.771
_cell_angle_beta   75.866
_cell_angle_gamma   75.890
_symmetry_Int_Tables_number   1
_cell_volume   257.148
_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
  Ge  Ge0  1  0.730  0.390  0.219  1.0
  Ge  Ge1  1  0.770  0.781  0.610  1.0
  Ge  Ge2  1  0.270  0.610  0.781  1.0
  Ge  Ge3  1  0.230  0.219  0.390  1.0
  Mn  Mn4  1  0.750  0.898  0.103  1.0
  Mn  Mn5  1  0.250  0.102  0.897  1.0
  O  O6  1  0.494  0.315  0.409  1.0
  O  O7  1  0.006  0.590  0.685  1.0
  O  O8  1  0.506  0.685  0.591  1.0
  O  O9  1  0.994  0.410  0.314  1.0
  O  O10  1  0.104  0.141  0.627  1.0
  O  O11  1  0.396  0.372  0.859  1.0
  O  O12  1  0.896  0.859  0.373  1.0
  O  O13  1  0.604  0.628  0.141  1.0
  O  O14  1  0.849  0.203  0.036  1.0
  O  O15  1  0.652  0.964  0.797  1.0
  O  O16  1  0.151  0.797  0.964  1.0
  O  O17  1  0.348  0.036  0.203  1.0
  Zn  Zn18  1  0.750  0.235  0.765  1.0
  Zn  Zn19  1  0.250  0.765  0.235  1.0
[/CIF]
.