The crystal structure described by K2SrVB5O12 crystallizes in the monoclinic P2_1 space group. There are two inequivalent K sites. In the first K site, K(1) is bonded in a 8-coordinate geometry to one O(11), one O(3), one O(4), one O(5), one O(6), one O(9), and two equivalent O(8) atoms. In the second K site, K(2) is bonded in a 7-coordinate geometry to one O(1), one O(10), one O(11), one O(4), one O(6), one O(7), and one O(8) atom. Sr(1) is bonded in a 9-coordinate geometry to one O(10), one O(12), one O(5), one O(7), one O(9), two equivalent O(1), and two equivalent O(2) atoms. V(1) is bonded in a tetrahedral geometry to one O(1), one O(4), one O(5), and one O(8) atom. There are five inequivalent B sites. In the first B site, B(1) is bonded to one O(2), one O(6), one O(7), and one O(9) atom to form corner-sharing BO4 tetrahedra. In the second B site, B(2) is bonded in a trigonal planar geometry to one O(10), one O(12), and one O(9) atom. In the third B site, B(3) is bonded to one O(10), one O(11), one O(12), and one O(7) atom to form corner-sharing BO4 tetrahedra. In the fourth B site, B(4) is bonded in a trigonal planar geometry to one O(11), one O(2), and one O(3) atom. In the fifth B site, B(5) is bonded in a trigonal planar geometry to one O(3), one O(4), and one O(6) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one K(2), two equivalent Sr(1), and one V(1) atom. In the second O site, O(2) is bonded in a distorted bent 120 degrees geometry to two equivalent Sr(1), one B(1), and one B(4) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one K(1), one B(4), and one B(5) atom. In the fourth O site, O(4) is bonded in a 2-coordinate geometry to one K(1), one K(2), one V(1), and one B(5) atom. In the fifth O site, O(5) is bonded in a distorted trigonal non-coplanar geometry to one K(1), one Sr(1), and one V(1) atom. In the sixth O site, O(6) is bonded in a distorted bent 120 degrees geometry to one K(1), one K(2), one B(1), and one B(5) atom. In the seventh O site, O(7) is bonded in a distorted bent 120 degrees geometry to one K(2), one Sr(1), one B(1), and one B(3) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one K(2), two equivalent K(1), and one V(1) atom. In the ninth O site, O(9) is bonded in a distorted bent 120 degrees geometry to one K(1), one Sr(1), one B(1), and one B(2) atom. In the tenth O site, O(10) is bonded in a distorted bent 120 degrees geometry to one K(2), one Sr(1), one B(2), and one B(3) atom. In the eleventh O site, O(11) is bonded in a distorted bent 120 degrees geometry to one K(1), one K(2), one B(3), and one B(4) atom. In the twelfth O site, O(12) is bonded in a distorted bent 150 degrees geometry to one Sr(1), one B(2), and one B(3) atom. is represented by the CIF file [CIF]
data_K2SrVB5O12
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.575
_cell_length_b   6.724
_cell_length_c   10.097
_cell_angle_alpha   80.190
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   573.617
_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  0.657  0.601  0.597  1.0
  K  K1  1  0.157  0.399  0.403  1.0
  K  K2  1  0.572  0.333  0.259  1.0
  K  K3  1  0.072  0.667  0.741  1.0
  Sr  Sr4  1  0.190  0.928  0.028  1.0
  Sr  Sr5  1  0.690  0.072  0.972  1.0
  V  V6  1  0.401  0.841  0.308  1.0
  V  V7  1  0.901  0.159  0.692  1.0
  B  B8  1  0.434  0.840  0.801  1.0
  B  B9  1  0.934  0.160  0.199  1.0
  B  B10  1  0.642  0.622  0.930  1.0
  B  B11  1  0.142  0.378  0.070  1.0
  B  B12  1  0.378  0.480  0.906  1.0
  B  B13  1  0.878  0.520  0.094  1.0
  B  B14  1  0.883  0.780  0.256  1.0
  B  B15  1  0.383  0.220  0.744  1.0
  B  B16  1  0.396  0.023  0.564  1.0
  B  B17  1  0.896  0.977  0.436  1.0
  O  O18  1  0.483  0.956  0.157  1.0
  O  O19  1  0.983  0.044  0.843  1.0
  O  O20  1  0.401  0.045  0.838  1.0
  O  O21  1  0.901  0.955  0.162  1.0
  O  O22  1  0.877  0.792  0.393  1.0
  O  O23  1  0.377  0.208  0.607  1.0
  O  O24  1  0.398  0.028  0.427  1.0
  O  O25  1  0.898  0.972  0.573  1.0
  O  O26  1  0.217  0.770  0.270  1.0
  O  O27  1  0.717  0.230  0.730  1.0
  O  O28  1  0.410  0.848  0.654  1.0
  O  O29  1  0.910  0.152  0.346  1.0
  O  O30  1  0.333  0.695  0.883  1.0
  O  O31  1  0.833  0.305  0.117  1.0
  O  O32  1  0.497  0.630  0.376  1.0
  O  O33  1  0.997  0.370  0.624  1.0
  O  O34  1  0.600  0.790  0.836  1.0
  O  O35  1  0.100  0.210  0.164  1.0
  O  O36  1  0.545  0.456  0.957  1.0
  O  O37  1  0.045  0.544  0.043  1.0
  O  O38  1  0.866  0.595  0.223  1.0
  O  O39  1  0.366  0.405  0.777  1.0
  O  O40  1  0.781  0.641  0.991  1.0
  O  O41  1  0.281  0.359  0.009  1.0
[/CIF]
.
The crystal structure described by K2SrVB5O12 crystallizes in the monoclinic P2_1 space group. There are two inequivalent K sites. In the first K site, K(1) is bonded in a 8-coordinate geometry to one O(11), one O(3), one O(4), one O(5), one O(6), one O(9), and two equivalent O(8) atoms. In the second K site, K(2) is bonded in a 7-coordinate geometry to one O(1), one O(10), one O(11), one O(4), one O(6), one O(7), and one O(8) atom. Sr(1) is bonded in a 9-coordinate geometry to one O(10), one O(12), one O(5), one O(7), one O(9), two equivalent O(1), and two equivalent O(2) atoms. V(1) is bonded in a tetrahedral geometry to one O(1), one O(4), one O(5), and one O(8) atom. There are five inequivalent B sites. In the first B site, B(1) is bonded to one O(2), one O(6), one O(7), and one O(9) atom to form corner-sharing BO4 tetrahedra. In the second B site, B(2) is bonded in a trigonal planar geometry to one O(10), one O(12), and one O(9) atom. In the third B site, B(3) is bonded to one O(10), one O(11), one O(12), and one O(7) atom to form corner-sharing BO4 tetrahedra. In the fourth B site, B(4) is bonded in a trigonal planar geometry to one O(11), one O(2), and one O(3) atom. In the fifth B site, B(5) is bonded in a trigonal planar geometry to one O(3), one O(4), and one O(6) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one K(2), two equivalent Sr(1), and one V(1) atom. In the second O site, O(2) is bonded in a distorted bent 120 degrees geometry to two equivalent Sr(1), one B(1), and one B(4) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one K(1), one B(4), and one B(5) atom. In the fourth O site, O(4) is bonded in a 2-coordinate geometry to one K(1), one K(2), one V(1), and one B(5) atom. In the fifth O site, O(5) is bonded in a distorted trigonal non-coplanar geometry to one K(1), one Sr(1), and one V(1) atom. In the sixth O site, O(6) is bonded in a distorted bent 120 degrees geometry to one K(1), one K(2), one B(1), and one B(5) atom. In the seventh O site, O(7) is bonded in a distorted bent 120 degrees geometry to one K(2), one Sr(1), one B(1), and one B(3) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one K(2), two equivalent K(1), and one V(1) atom. In the ninth O site, O(9) is bonded in a distorted bent 120 degrees geometry to one K(1), one Sr(1), one B(1), and one B(2) atom. In the tenth O site, O(10) is bonded in a distorted bent 120 degrees geometry to one K(2), one Sr(1), one B(2), and one B(3) atom. In the eleventh O site, O(11) is bonded in a distorted bent 120 degrees geometry to one K(1), one K(2), one B(3), and one B(4) atom. In the twelfth O site, O(12) is bonded in a distorted bent 150 degrees geometry to one Sr(1), one B(2), and one B(3) atom. is represented by the CIF file [CIF]
data_K2SrVB5O12
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.575
_cell_length_b   6.724
_cell_length_c   10.097
_cell_angle_alpha   80.190
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   573.617
_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  0.657  0.601  0.597  1.0
  K  K1  1  0.157  0.399  0.403  1.0
  K  K2  1  0.572  0.333  0.259  1.0
  K  K3  1  0.072  0.667  0.741  1.0
  Sr  Sr4  1  0.190  0.928  0.028  1.0
  Sr  Sr5  1  0.690  0.072  0.972  1.0
  V  V6  1  0.401  0.841  0.308  1.0
  V  V7  1  0.901  0.159  0.692  1.0
  B  B8  1  0.434  0.840  0.801  1.0
  B  B9  1  0.934  0.160  0.199  1.0
  B  B10  1  0.642  0.622  0.930  1.0
  B  B11  1  0.142  0.378  0.070  1.0
  B  B12  1  0.378  0.480  0.906  1.0
  B  B13  1  0.878  0.520  0.094  1.0
  B  B14  1  0.883  0.780  0.256  1.0
  B  B15  1  0.383  0.220  0.744  1.0
  B  B16  1  0.396  0.023  0.564  1.0
  B  B17  1  0.896  0.977  0.436  1.0
  O  O18  1  0.483  0.956  0.157  1.0
  O  O19  1  0.983  0.044  0.843  1.0
  O  O20  1  0.401  0.045  0.838  1.0
  O  O21  1  0.901  0.955  0.162  1.0
  O  O22  1  0.877  0.792  0.393  1.0
  O  O23  1  0.377  0.208  0.607  1.0
  O  O24  1  0.398  0.028  0.427  1.0
  O  O25  1  0.898  0.972  0.573  1.0
  O  O26  1  0.217  0.770  0.270  1.0
  O  O27  1  0.717  0.230  0.730  1.0
  O  O28  1  0.410  0.848  0.654  1.0
  O  O29  1  0.910  0.152  0.346  1.0
  O  O30  1  0.333  0.695  0.883  1.0
  O  O31  1  0.833  0.305  0.117  1.0
  O  O32  1  0.497  0.630  0.376  1.0
  O  O33  1  0.997  0.370  0.624  1.0
  O  O34  1  0.600  0.790  0.836  1.0
  O  O35  1  0.100  0.210  0.164  1.0
  O  O36  1  0.545  0.456  0.957  1.0
  O  O37  1  0.045  0.544  0.043  1.0
  O  O38  1  0.866  0.595  0.223  1.0
  O  O39  1  0.366  0.405  0.777  1.0
  O  O40  1  0.781  0.641  0.991  1.0
  O  O41  1  0.281  0.359  0.009  1.0
[/CIF]
.