The compound described by MgV4Ag2O11 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(2), one O(5), and two equivalent O(6) atoms to form MgO4 tetrahedra that share corners with two equivalent V(4)O6 octahedra and corners with two equivalent Mg(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 63-73°. There are four inequivalent V sites. In the first V site, V(1) is bonded in a 6-coordinate geometry to one O(1), one O(11), one O(3), one O(9), and two equivalent O(10) atoms. In the second V site, V(2) is bonded in a 6-coordinate geometry to one O(10), one O(2), one O(4), one O(8), and two equivalent O(9) atoms. In the third V site, V(3) is bonded in a 6-coordinate geometry to one O(3), one O(5), one O(7), one O(9), and two equivalent O(8) atoms. In the fourth V site, V(4) is bonded to one O(10), one O(4), one O(6), one O(7), and two equivalent O(11) atoms to form VO6 octahedra that share corners with two equivalent V(4)O6 octahedra and corners with two equivalent Mg(1)O4 tetrahedra. The corner-sharing octahedral tilt angles are 28°. There are two inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a 5-coordinate geometry to one O(5), two equivalent O(1), and two equivalent O(4) atoms. In the second Ag site, Ag(2) is bonded in a distorted square co-planar geometry to two equivalent O(2) and two equivalent O(3) atoms. There are eleven inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one V(1) and two equivalent Ag(1) atoms. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Mg(1), one V(2), and two equivalent Ag(2) atoms. In the third O site, O(3) is bonded to one V(1), one V(3), and two equivalent Ag(2) atoms to form distorted corner-sharing OV2Ag2 tetrahedra. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one V(2), one V(4), and two equivalent Ag(1) atoms. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one Mg(1), one V(3), and one Ag(1) atom. In the sixth O site, O(6) is bonded in a trigonal planar geometry to two equivalent Mg(1) and one V(4) atom. In the seventh O site, O(7) is bonded in a linear geometry to one V(3) and one V(4) atom. In the eighth O site, O(8) is bonded in a distorted trigonal non-coplanar geometry to one V(2) and two equivalent V(3) atoms. In the ninth O site, O(9) is bonded in a 4-coordinate geometry to one V(1), one V(3), and two equivalent V(2) atoms. In the tenth O site, O(10) is bonded in a 4-coordinate geometry to one V(2), one V(4), and two equivalent V(1) atoms. In the eleventh O site, O(11) is bonded in a distorted T-shaped geometry to one V(1) and two equivalent V(4) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_MgV4Ag2O11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.682
_cell_length_b   7.902
_cell_length_c   8.302
_cell_angle_alpha   76.984
_cell_angle_beta   76.646
_cell_angle_gamma   74.332
_symmetry_Int_Tables_number   1
_cell_volume   222.818
_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
  Mg  Mg0  1  0.664  0.604  0.059  1.0
  V  V1  1  0.619  0.150  0.587  1.0
  V  V2  1  0.384  0.862  0.397  1.0
  V  V3  1  0.860  0.127  0.153  1.0
  V  V4  1  0.194  0.857  0.797  1.0
  Ag  Ag5  1  0.884  0.500  0.714  1.0
  Ag  Ag6  1  0.068  0.479  0.361  1.0
  O  O7  1  0.460  0.301  0.716  1.0
  O  O8  1  0.526  0.686  0.281  1.0
  O  O9  1  0.641  0.290  0.390  1.0
  O  O10  1  0.376  0.718  0.622  1.0
  O  O11  1  0.793  0.345  0.052  1.0
  O  O12  1  0.177  0.662  0.965  1.0
  O  O13  1  0.007  0.009  0.996  1.0
  O  O14  1  0.346  0.087  0.222  1.0
  O  O15  1  0.842  0.939  0.392  1.0
  O  O16  1  0.161  0.075  0.589  1.0
  O  O17  1  0.659  0.917  0.774  1.0
[/CIF]
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The compound described by MgV4Ag2O11 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(2), one O(5), and two equivalent O(6) atoms to form MgO4 tetrahedra that share corners with two equivalent V(4)O6 octahedra and corners with two equivalent Mg(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 63-73°. There are four inequivalent V sites. In the first V site, V(1) is bonded in a 6-coordinate geometry to one O(1), one O(11), one O(3), one O(9), and two equivalent O(10) atoms. In the second V site, V(2) is bonded in a 6-coordinate geometry to one O(10), one O(2), one O(4), one O(8), and two equivalent O(9) atoms. In the third V site, V(3) is bonded in a 6-coordinate geometry to one O(3), one O(5), one O(7), one O(9), and two equivalent O(8) atoms. In the fourth V site, V(4) is bonded to one O(10), one O(4), one O(6), one O(7), and two equivalent O(11) atoms to form VO6 octahedra that share corners with two equivalent V(4)O6 octahedra and corners with two equivalent Mg(1)O4 tetrahedra. The corner-sharing octahedral tilt angles are 28°. There are two inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a 5-coordinate geometry to one O(5), two equivalent O(1), and two equivalent O(4) atoms. In the second Ag site, Ag(2) is bonded in a distorted square co-planar geometry to two equivalent O(2) and two equivalent O(3) atoms. There are eleven inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one V(1) and two equivalent Ag(1) atoms. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Mg(1), one V(2), and two equivalent Ag(2) atoms. In the third O site, O(3) is bonded to one V(1), one V(3), and two equivalent Ag(2) atoms to form distorted corner-sharing OV2Ag2 tetrahedra. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one V(2), one V(4), and two equivalent Ag(1) atoms. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one Mg(1), one V(3), and one Ag(1) atom. In the sixth O site, O(6) is bonded in a trigonal planar geometry to two equivalent Mg(1) and one V(4) atom. In the seventh O site, O(7) is bonded in a linear geometry to one V(3) and one V(4) atom. In the eighth O site, O(8) is bonded in a distorted trigonal non-coplanar geometry to one V(2) and two equivalent V(3) atoms. In the ninth O site, O(9) is bonded in a 4-coordinate geometry to one V(1), one V(3), and two equivalent V(2) atoms. In the tenth O site, O(10) is bonded in a 4-coordinate geometry to one V(2), one V(4), and two equivalent V(1) atoms. In the eleventh O site, O(11) is bonded in a distorted T-shaped geometry to one V(1) and two equivalent V(4) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_MgV4Ag2O11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.682
_cell_length_b   7.902
_cell_length_c   8.302
_cell_angle_alpha   76.984
_cell_angle_beta   76.646
_cell_angle_gamma   74.332
_symmetry_Int_Tables_number   1
_cell_volume   222.818
_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
  Mg  Mg0  1  0.664  0.604  0.059  1.0
  V  V1  1  0.619  0.150  0.587  1.0
  V  V2  1  0.384  0.862  0.397  1.0
  V  V3  1  0.860  0.127  0.153  1.0
  V  V4  1  0.194  0.857  0.797  1.0
  Ag  Ag5  1  0.884  0.500  0.714  1.0
  Ag  Ag6  1  0.068  0.479  0.361  1.0
  O  O7  1  0.460  0.301  0.716  1.0
  O  O8  1  0.526  0.686  0.281  1.0
  O  O9  1  0.641  0.290  0.390  1.0
  O  O10  1  0.376  0.718  0.622  1.0
  O  O11  1  0.793  0.345  0.052  1.0
  O  O12  1  0.177  0.662  0.965  1.0
  O  O13  1  0.007  0.009  0.996  1.0
  O  O14  1  0.346  0.087  0.222  1.0
  O  O15  1  0.842  0.939  0.392  1.0
  O  O16  1  0.161  0.075  0.589  1.0
  O  O17  1  0.659  0.917  0.774  1.0
[/CIF]
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