The structure described by NaVGe2O6 is Esseneite structured and crystallizes in the triclinic P1 space group. There are four inequivalent Na sites. In the first Na site, Na(1) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(11), one O(14), one O(15), one O(19), one O(23), and one O(7) atom. In the second Na site, Na(2) is bonded in a 8-coordinate geometry to one O(12), one O(13), one O(16), one O(2), one O(20), one O(24), one O(8), and one O(9) atom. In the third Na site, Na(3) is bonded in a 8-coordinate geometry to one O(12), one O(13), one O(16), one O(17), one O(21), one O(3), one O(5), and one O(9) atom. In the fourth Na site, Na(4) is bonded in a 8-coordinate geometry to one O(10), one O(11), one O(14), one O(15), one O(18), one O(22), one O(4), and one O(6) atom. There are four inequivalent V sites. In the first V site, V(1) is bonded to one O(2), one O(20), one O(24), one O(4), one O(6), and one O(8) atom to form VO6 octahedra that share  a cornercorner with one Ge(2)O4 tetrahedra,  a cornercorner with one Ge(5)O4 tetrahedra,  a cornercorner with one Ge(6)O4 tetrahedra,  a cornercorner with one Ge(8)O4 tetrahedra, corners with two equivalent Ge(4)O4 tetrahedra, and edges with two equivalent V(4)O6 octahedra. In the second V site, V(2) is bonded to one O(1), one O(17), one O(21), one O(3), one O(5), and one O(7) atom to form VO6 octahedra that share  a cornercorner with one Ge(1)O4 tetrahedra,  a cornercorner with one Ge(2)O4 tetrahedra,  a cornercorner with one Ge(3)O4 tetrahedra,  a cornercorner with one Ge(5)O4 tetrahedra, corners with two equivalent Ge(7)O4 tetrahedra, and edges with two equivalent V(3)O6 octahedra. In the third V site, V(3) is bonded to one O(1), one O(19), one O(23), one O(3), one O(5), and one O(7) atom to form VO6 octahedra that share  a cornercorner with one Ge(1)O4 tetrahedra,  a cornercorner with one Ge(5)O4 tetrahedra,  a cornercorner with one Ge(6)O4 tetrahedra,  a cornercorner with one Ge(7)O4 tetrahedra, corners with two equivalent Ge(3)O4 tetrahedra, and edges with two equivalent V(2)O6 octahedra. In the fourth V site, V(4) is bonded to one O(18), one O(2), one O(22), one O(4), one O(6), and one O(8) atom to form VO6 octahedra that share  a cornercorner with one Ge(1)O4 tetrahedra,  a cornercorner with one Ge(2)O4 tetrahedra,  a cornercorner with one Ge(4)O4 tetrahedra,  a cornercorner with one Ge(6)O4 tetrahedra, corners with two equivalent Ge(8)O4 tetrahedra, and edges with two equivalent V(1)O6 octahedra. There are eight inequivalent Ge sites. In the first Ge site, Ge(1) is bonded to one O(11), one O(15), one O(18), and one O(7) atom to form GeO4 tetrahedra that share  a cornercorner with one V(2)O6 octahedra,  a cornercorner with one V(3)O6 octahedra,  a cornercorner with one V(4)O6 octahedra, and corners with two equivalent Ge(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 37-61°. In the second Ge site, Ge(2) is bonded to one O(12), one O(16), one O(17), and one O(8) atom to form GeO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra,  a cornercorner with one V(2)O6 octahedra,  a cornercorner with one V(4)O6 octahedra, and corners with two equivalent Ge(4)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 39-60°. In the third Ge site, Ge(3) is bonded to one O(11), one O(15), one O(19), and one O(5) atom to form GeO4 tetrahedra that share  a cornercorner with one V(2)O6 octahedra, corners with two equivalent V(3)O6 octahedra, and corners with two equivalent Ge(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 39-61°. In the fourth Ge site, Ge(4) is bonded to one O(12), one O(16), one O(20), and one O(6) atom to form GeO4 tetrahedra that share  a cornercorner with one V(4)O6 octahedra, corners with two equivalent V(1)O6 octahedra, and corners with two equivalent Ge(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 39-61°. In the fifth Ge site, Ge(5) is bonded to one O(13), one O(24), one O(3), and one O(9) atom to form GeO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra,  a cornercorner with one V(2)O6 octahedra,  a cornercorner with one V(3)O6 octahedra, and corners with two equivalent Ge(7)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 38-61°. In the sixth Ge site, Ge(6) is bonded to one O(10), one O(14), one O(23), and one O(4) atom to form GeO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra,  a cornercorner with one V(3)O6 octahedra,  a cornercorner with one V(4)O6 octahedra, and corners with two equivalent Ge(8)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 39-60°. In the seventh Ge site, Ge(7) is bonded to one O(1), one O(13), one O(21), and one O(9) atom to form GeO4 tetrahedra that share  a cornercorner with one V(3)O6 octahedra, corners with two equivalent V(2)O6 octahedra, and corners with two equivalent Ge(5)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 39-60°. In the eighth Ge site, Ge(8) is bonded to one O(10), one O(14), one O(2), and one O(22) atom to form GeO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra, corners with two equivalent V(4)O6 octahedra, and corners with two equivalent Ge(6)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 39-61°. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded to one Na(1), one V(2), one V(3), and one Ge(7) atom to form a mixture of distorted corner and edge-sharing ONaV2Ge tetrahedra. In the second O site, O(2) is bonded to one Na(2), one V(1), one V(4), and one Ge(8) atom to form a mixture of distorted corner and edge-sharing ONaV2Ge tetrahedra. In the third O site, O(3) is bonded to one Na(3), one V(2), one V(3), and one Ge(5) atom to form a mixture of distorted corner and edge-sharing ONaV2Ge tetrahedra. In the fourth O site, O(4) is bonded to one Na(4), one V(1), one V(4), and one Ge(6) atom to form a mixture of distorted corner and edge-sharing ONaV2Ge tetrahedra. In the fifth O site, O(5) is bonded to one Na(3), one V(2), one V(3), and one Ge(3) atom to form a mixture of distorted corner and edge-sharing ONaV2Ge tetrahedra. In the sixth O site, O(6) is bonded to one Na(4), one V(1), one V(4), and one Ge(4) atom to form a mixture of distorted corner and edge-sharing ONaV2Ge tetrahedra. In the seventh O site, O(7) is bonded to one Na(1), one V(2), one V(3), and one Ge(1) atom to form a mixture of distorted corner and edge-sharing ONaV2Ge tetrahedra. In the eighth O site, O(8) is bonded to one Na(2), one V(1), one V(4), and one Ge(2) atom to form a mixture of distorted corner and edge-sharing ONaV2Ge tetrahedra. In the ninth O site, O(9) is bonded in a 4-coordinate geometry to one Na(2), one Na(3), one Ge(5), and one Ge(7) atom. In the tenth O site, O(10) is bonded in a 4-coordinate geometry to one Na(1), one Na(4), one Ge(6), and one Ge(8) atom. In the eleventh O site, O(11) is bonded in a 4-coordinate geometry to one Na(1), one Na(4), one Ge(1), and one Ge(3) atom. In the twelfth O site, O(12) is bonded in a 4-coordinate geometry to one Na(2), one Na(3), one Ge(2), and one Ge(4) atom. In the thirteenth O site, O(13) is bonded in a 4-coordinate geometry to one Na(2), one Na(3), one Ge(5), and one Ge(7) atom. In the fourteenth O site, O(14) is bonded in a 4-coordinate geometry to one Na(1), one Na(4), one Ge(6), and one Ge(8) atom. In the fifteenth O site, O(15) is bonded in a 4-coordinate geometry to one Na(1), one Na(4), one Ge(1), and one Ge(3) atom. In the sixteenth O site, O(16) is bonded in a 4-coordinate geometry to one Na(2), one Na(3), one Ge(2), and one Ge(4) atom. In the seventeenth O site, O(17) is bonded in a distorted T-shaped geometry to one Na(3), one V(2), and one Ge(2) atom. In the eighteenth O site, O(18) is bonded in a distorted T-shaped geometry to one Na(4), one V(4), and one Ge(1) atom. In the nineteenth O site, O(19) is bonded in a distorted T-shaped geometry to one Na(1), one V(3), and one Ge(3) atom. In the twentieth O site, O(20) is bonded in a distorted T-shaped geometry to one Na(2), one V(1), and one Ge(4) atom. In the twenty-first O site, O(21) is bonded in a distorted T-shaped geometry to one Na(3), one V(2), and one Ge(7) atom. In the twenty-second O site, O(22) is bonded in a distorted T-shaped geometry to one Na(4), one V(4), and one Ge(8) atom. In the twenty-third O site, O(23) is bonded in a distorted T-shaped geometry to one Na(1), one V(3), and one Ge(6) atom. In the twenty-fourth O site, O(24) is bonded in a distorted T-shaped geometry to one Na(2), one V(1), and one Ge(5) atom. is represented by the CIF card [CIF]
data_NaV(GeO3)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.588
_cell_length_b   6.777
_cell_length_c   6.795
_cell_angle_alpha   82.866
_cell_angle_beta   77.566
_cell_angle_gamma   77.499
_symmetry_Int_Tables_number   1
_cell_volume   244.510
_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  0.307  0.118  1.0
  Ge  Ge1  1  0.230  0.118  0.308  1.0
  Ge  Ge2  1  0.270  0.693  0.883  1.0
  Ge  Ge3  1  0.769  0.883  0.692  1.0
  Na  Na4  1  0.752  0.805  0.194  1.0
  Na  Na5  1  0.249  0.195  0.806  1.0
  O  O6  1  0.866  0.690  0.522  1.0
  O  O7  1  0.367  0.523  0.690  1.0
  O  O8  1  0.133  0.311  0.478  1.0
  O  O9  1  0.634  0.477  0.310  1.0
  O  O10  1  0.495  0.846  0.875  1.0
  O  O11  1  0.505  0.153  0.126  1.0
  O  O12  1  0.995  0.876  0.845  1.0
  O  O13  1  0.006  0.124  0.155  1.0
  O  O14  1  0.813  0.407  0.870  1.0
  O  O15  1  0.317  0.869  0.409  1.0
  O  O16  1  0.683  0.132  0.592  1.0
  O  O17  1  0.185  0.592  0.131  1.0
  V  V18  1  0.251  0.594  0.406  1.0
  V  V19  1  0.749  0.407  0.593  1.0
[/CIF]
.
The structure described by NaVGe2O6 is Esseneite structured and crystallizes in the triclinic P1 space group. There are four inequivalent Na sites. In the first Na site, Na(1) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(11), one O(14), one O(15), one O(19), one O(23), and one O(7) atom. In the second Na site, Na(2) is bonded in a 8-coordinate geometry to one O(12), one O(13), one O(16), one O(2), one O(20), one O(24), one O(8), and one O(9) atom. In the third Na site, Na(3) is bonded in a 8-coordinate geometry to one O(12), one O(13), one O(16), one O(17), one O(21), one O(3), one O(5), and one O(9) atom. In the fourth Na site, Na(4) is bonded in a 8-coordinate geometry to one O(10), one O(11), one O(14), one O(15), one O(18), one O(22), one O(4), and one O(6) atom. There are four inequivalent V sites. In the first V site, V(1) is bonded to one O(2), one O(20), one O(24), one O(4), one O(6), and one O(8) atom to form VO6 octahedra that share  a cornercorner with one Ge(2)O4 tetrahedra,  a cornercorner with one Ge(5)O4 tetrahedra,  a cornercorner with one Ge(6)O4 tetrahedra,  a cornercorner with one Ge(8)O4 tetrahedra, corners with two equivalent Ge(4)O4 tetrahedra, and edges with two equivalent V(4)O6 octahedra. In the second V site, V(2) is bonded to one O(1), one O(17), one O(21), one O(3), one O(5), and one O(7) atom to form VO6 octahedra that share  a cornercorner with one Ge(1)O4 tetrahedra,  a cornercorner with one Ge(2)O4 tetrahedra,  a cornercorner with one Ge(3)O4 tetrahedra,  a cornercorner with one Ge(5)O4 tetrahedra, corners with two equivalent Ge(7)O4 tetrahedra, and edges with two equivalent V(3)O6 octahedra. In the third V site, V(3) is bonded to one O(1), one O(19), one O(23), one O(3), one O(5), and one O(7) atom to form VO6 octahedra that share  a cornercorner with one Ge(1)O4 tetrahedra,  a cornercorner with one Ge(5)O4 tetrahedra,  a cornercorner with one Ge(6)O4 tetrahedra,  a cornercorner with one Ge(7)O4 tetrahedra, corners with two equivalent Ge(3)O4 tetrahedra, and edges with two equivalent V(2)O6 octahedra. In the fourth V site, V(4) is bonded to one O(18), one O(2), one O(22), one O(4), one O(6), and one O(8) atom to form VO6 octahedra that share  a cornercorner with one Ge(1)O4 tetrahedra,  a cornercorner with one Ge(2)O4 tetrahedra,  a cornercorner with one Ge(4)O4 tetrahedra,  a cornercorner with one Ge(6)O4 tetrahedra, corners with two equivalent Ge(8)O4 tetrahedra, and edges with two equivalent V(1)O6 octahedra. There are eight inequivalent Ge sites. In the first Ge site, Ge(1) is bonded to one O(11), one O(15), one O(18), and one O(7) atom to form GeO4 tetrahedra that share  a cornercorner with one V(2)O6 octahedra,  a cornercorner with one V(3)O6 octahedra,  a cornercorner with one V(4)O6 octahedra, and corners with two equivalent Ge(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 37-61°. In the second Ge site, Ge(2) is bonded to one O(12), one O(16), one O(17), and one O(8) atom to form GeO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra,  a cornercorner with one V(2)O6 octahedra,  a cornercorner with one V(4)O6 octahedra, and corners with two equivalent Ge(4)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 39-60°. In the third Ge site, Ge(3) is bonded to one O(11), one O(15), one O(19), and one O(5) atom to form GeO4 tetrahedra that share  a cornercorner with one V(2)O6 octahedra, corners with two equivalent V(3)O6 octahedra, and corners with two equivalent Ge(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 39-61°. In the fourth Ge site, Ge(4) is bonded to one O(12), one O(16), one O(20), and one O(6) atom to form GeO4 tetrahedra that share  a cornercorner with one V(4)O6 octahedra, corners with two equivalent V(1)O6 octahedra, and corners with two equivalent Ge(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 39-61°. In the fifth Ge site, Ge(5) is bonded to one O(13), one O(24), one O(3), and one O(9) atom to form GeO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra,  a cornercorner with one V(2)O6 octahedra,  a cornercorner with one V(3)O6 octahedra, and corners with two equivalent Ge(7)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 38-61°. In the sixth Ge site, Ge(6) is bonded to one O(10), one O(14), one O(23), and one O(4) atom to form GeO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra,  a cornercorner with one V(3)O6 octahedra,  a cornercorner with one V(4)O6 octahedra, and corners with two equivalent Ge(8)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 39-60°. In the seventh Ge site, Ge(7) is bonded to one O(1), one O(13), one O(21), and one O(9) atom to form GeO4 tetrahedra that share  a cornercorner with one V(3)O6 octahedra, corners with two equivalent V(2)O6 octahedra, and corners with two equivalent Ge(5)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 39-60°. In the eighth Ge site, Ge(8) is bonded to one O(10), one O(14), one O(2), and one O(22) atom to form GeO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra, corners with two equivalent V(4)O6 octahedra, and corners with two equivalent Ge(6)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 39-61°. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded to one Na(1), one V(2), one V(3), and one Ge(7) atom to form a mixture of distorted corner and edge-sharing ONaV2Ge tetrahedra. In the second O site, O(2) is bonded to one Na(2), one V(1), one V(4), and one Ge(8) atom to form a mixture of distorted corner and edge-sharing ONaV2Ge tetrahedra. In the third O site, O(3) is bonded to one Na(3), one V(2), one V(3), and one Ge(5) atom to form a mixture of distorted corner and edge-sharing ONaV2Ge tetrahedra. In the fourth O site, O(4) is bonded to one Na(4), one V(1), one V(4), and one Ge(6) atom to form a mixture of distorted corner and edge-sharing ONaV2Ge tetrahedra. In the fifth O site, O(5) is bonded to one Na(3), one V(2), one V(3), and one Ge(3) atom to form a mixture of distorted corner and edge-sharing ONaV2Ge tetrahedra. In the sixth O site, O(6) is bonded to one Na(4), one V(1), one V(4), and one Ge(4) atom to form a mixture of distorted corner and edge-sharing ONaV2Ge tetrahedra. In the seventh O site, O(7) is bonded to one Na(1), one V(2), one V(3), and one Ge(1) atom to form a mixture of distorted corner and edge-sharing ONaV2Ge tetrahedra. In the eighth O site, O(8) is bonded to one Na(2), one V(1), one V(4), and one Ge(2) atom to form a mixture of distorted corner and edge-sharing ONaV2Ge tetrahedra. In the ninth O site, O(9) is bonded in a 4-coordinate geometry to one Na(2), one Na(3), one Ge(5), and one Ge(7) atom. In the tenth O site, O(10) is bonded in a 4-coordinate geometry to one Na(1), one Na(4), one Ge(6), and one Ge(8) atom. In the eleventh O site, O(11) is bonded in a 4-coordinate geometry to one Na(1), one Na(4), one Ge(1), and one Ge(3) atom. In the twelfth O site, O(12) is bonded in a 4-coordinate geometry to one Na(2), one Na(3), one Ge(2), and one Ge(4) atom. In the thirteenth O site, O(13) is bonded in a 4-coordinate geometry to one Na(2), one Na(3), one Ge(5), and one Ge(7) atom. In the fourteenth O site, O(14) is bonded in a 4-coordinate geometry to one Na(1), one Na(4), one Ge(6), and one Ge(8) atom. In the fifteenth O site, O(15) is bonded in a 4-coordinate geometry to one Na(1), one Na(4), one Ge(1), and one Ge(3) atom. In the sixteenth O site, O(16) is bonded in a 4-coordinate geometry to one Na(2), one Na(3), one Ge(2), and one Ge(4) atom. In the seventeenth O site, O(17) is bonded in a distorted T-shaped geometry to one Na(3), one V(2), and one Ge(2) atom. In the eighteenth O site, O(18) is bonded in a distorted T-shaped geometry to one Na(4), one V(4), and one Ge(1) atom. In the nineteenth O site, O(19) is bonded in a distorted T-shaped geometry to one Na(1), one V(3), and one Ge(3) atom. In the twentieth O site, O(20) is bonded in a distorted T-shaped geometry to one Na(2), one V(1), and one Ge(4) atom. In the twenty-first O site, O(21) is bonded in a distorted T-shaped geometry to one Na(3), one V(2), and one Ge(7) atom. In the twenty-second O site, O(22) is bonded in a distorted T-shaped geometry to one Na(4), one V(4), and one Ge(8) atom. In the twenty-third O site, O(23) is bonded in a distorted T-shaped geometry to one Na(1), one V(3), and one Ge(6) atom. In the twenty-fourth O site, O(24) is bonded in a distorted T-shaped geometry to one Na(2), one V(1), and one Ge(5) atom. is represented by the CIF card [CIF]
data_NaV(GeO3)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.588
_cell_length_b   6.777
_cell_length_c   6.795
_cell_angle_alpha   82.866
_cell_angle_beta   77.566
_cell_angle_gamma   77.499
_symmetry_Int_Tables_number   1
_cell_volume   244.510
_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  0.307  0.118  1.0
  Ge  Ge1  1  0.230  0.118  0.308  1.0
  Ge  Ge2  1  0.270  0.693  0.883  1.0
  Ge  Ge3  1  0.769  0.883  0.692  1.0
  Na  Na4  1  0.752  0.805  0.194  1.0
  Na  Na5  1  0.249  0.195  0.806  1.0
  O  O6  1  0.866  0.690  0.522  1.0
  O  O7  1  0.367  0.523  0.690  1.0
  O  O8  1  0.133  0.311  0.478  1.0
  O  O9  1  0.634  0.477  0.310  1.0
  O  O10  1  0.495  0.846  0.875  1.0
  O  O11  1  0.505  0.153  0.126  1.0
  O  O12  1  0.995  0.876  0.845  1.0
  O  O13  1  0.006  0.124  0.155  1.0
  O  O14  1  0.813  0.407  0.870  1.0
  O  O15  1  0.317  0.869  0.409  1.0
  O  O16  1  0.683  0.132  0.592  1.0
  O  O17  1  0.185  0.592  0.131  1.0
  V  V18  1  0.251  0.594  0.406  1.0
  V  V19  1  0.749  0.407  0.593  1.0
[/CIF]
.