The crystal structure described by K2Zn(GeO3)2 crystallizes in the orthorhombic C222_1 space group. K(1) is bonded in a 7-coordinate geometry to one O(3), three equivalent O(1), and three equivalent O(2) atoms. Zn(1) is bonded to two equivalent O(1) and two equivalent O(2) atoms to form ZnO4 tetrahedra that share corners with four equivalent Ge(1)O4 tetrahedra. Ge(1) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form GeO4 tetrahedra that share corners with two equivalent Zn(1)O4 tetrahedra and corners with two equivalent Ge(1)O4 tetrahedra. There are four inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to three equivalent K(1), one Zn(1), and one Ge(1) atom. In the second O site, O(2) is bonded in a 5-coordinate geometry to three equivalent K(1), one Zn(1), and one Ge(1) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to two equivalent K(1) and two equivalent Ge(1) atoms. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to two equivalent Ge(1) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_K2Zn(GeO3)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.927
_cell_length_b   5.927
_cell_length_c   11.065
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   113.370
_symmetry_Int_Tables_number   1
_cell_volume   356.822
_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
  K  K0  1  0.784  0.430  0.927  1.0
  K  K1  1  0.570  0.216  0.573  1.0
  K  K2  1  0.216  0.570  0.427  1.0
  K  K3  1  0.430  0.784  0.073  1.0
  Zn  Zn4  1  0.691  0.309  0.250  1.0
  Zn  Zn5  1  0.309  0.691  0.750  1.0
  Ge  Ge6  1  0.826  0.862  0.362  1.0
  Ge  Ge7  1  0.138  0.174  0.138  1.0
  Ge  Ge8  1  0.174  0.138  0.862  1.0
  Ge  Ge9  1  0.862  0.826  0.638  1.0
  O  O10  1  0.607  0.984  0.332  1.0
  O  O11  1  0.541  0.705  0.620  1.0
  O  O12  1  0.705  0.541  0.380  1.0
  O  O13  1  0.393  0.016  0.832  1.0
  O  O14  1  0.997  0.997  0.500  1.0
  O  O15  1  0.459  0.295  0.120  1.0
  O  O16  1  0.062  0.938  0.250  1.0
  O  O17  1  0.295  0.459  0.880  1.0
  O  O18  1  0.003  0.003  0.000  1.0
  O  O19  1  0.938  0.062  0.750  1.0
  O  O20  1  0.016  0.393  0.168  1.0
  O  O21  1  0.984  0.607  0.668  1.0
[/CIF]
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The crystal structure described by K2Zn(GeO3)2 crystallizes in the orthorhombic C222_1 space group. K(1) is bonded in a 7-coordinate geometry to one O(3), three equivalent O(1), and three equivalent O(2) atoms. Zn(1) is bonded to two equivalent O(1) and two equivalent O(2) atoms to form ZnO4 tetrahedra that share corners with four equivalent Ge(1)O4 tetrahedra. Ge(1) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form GeO4 tetrahedra that share corners with two equivalent Zn(1)O4 tetrahedra and corners with two equivalent Ge(1)O4 tetrahedra. There are four inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to three equivalent K(1), one Zn(1), and one Ge(1) atom. In the second O site, O(2) is bonded in a 5-coordinate geometry to three equivalent K(1), one Zn(1), and one Ge(1) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to two equivalent K(1) and two equivalent Ge(1) atoms. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to two equivalent Ge(1) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_K2Zn(GeO3)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.927
_cell_length_b   5.927
_cell_length_c   11.065
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   113.370
_symmetry_Int_Tables_number   1
_cell_volume   356.822
_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
  K  K0  1  0.784  0.430  0.927  1.0
  K  K1  1  0.570  0.216  0.573  1.0
  K  K2  1  0.216  0.570  0.427  1.0
  K  K3  1  0.430  0.784  0.073  1.0
  Zn  Zn4  1  0.691  0.309  0.250  1.0
  Zn  Zn5  1  0.309  0.691  0.750  1.0
  Ge  Ge6  1  0.826  0.862  0.362  1.0
  Ge  Ge7  1  0.138  0.174  0.138  1.0
  Ge  Ge8  1  0.174  0.138  0.862  1.0
  Ge  Ge9  1  0.862  0.826  0.638  1.0
  O  O10  1  0.607  0.984  0.332  1.0
  O  O11  1  0.541  0.705  0.620  1.0
  O  O12  1  0.705  0.541  0.380  1.0
  O  O13  1  0.393  0.016  0.832  1.0
  O  O14  1  0.997  0.997  0.500  1.0
  O  O15  1  0.459  0.295  0.120  1.0
  O  O16  1  0.062  0.938  0.250  1.0
  O  O17  1  0.295  0.459  0.880  1.0
  O  O18  1  0.003  0.003  0.000  1.0
  O  O19  1  0.938  0.062  0.750  1.0
  O  O20  1  0.016  0.393  0.168  1.0
  O  O21  1  0.984  0.607  0.668  1.0
[/CIF]
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