The material structure described by Ba4Ta10CoO30 crystallizes in the orthorhombic Imm2 space group. There are four inequivalent Ba sites. In the first Ba site, Ba(1) is bonded in a 7-coordinate geometry to one O(7), two equivalent O(1), and four equivalent O(12) atoms. In the second Ba site, Ba(2) is bonded in a 13-coordinate geometry to one O(8), two equivalent O(1), two equivalent O(4), four equivalent O(11), and four equivalent O(12) atoms. In the third Ba site, Ba(3) is bonded in a 9-coordinate geometry to one O(8), two equivalent O(10), two equivalent O(6), and four equivalent O(5) atoms. In the fourth Ba site, Ba(4) is bonded in a 6-coordinate geometry to two equivalent O(6) and four equivalent O(5) atoms. There are three inequivalent Ta sites. In the first Ta site, Ta(1) is bonded to one O(7), one O(8), two equivalent O(12), and two equivalent O(5) atoms to form corner-sharing TaO6 octahedra. The corner-sharing octahedral tilt angles range from 4-35°. In the second Ta site, Ta(2) is bonded to one O(10), one O(11), one O(12), one O(2), one O(6), and one O(9) atom to form corner-sharing TaO6 octahedra. The corner-sharing octahedral tilt angles range from 3-43°. In the third Ta site, Ta(3) is bonded to one O(1), one O(11), one O(2), one O(3), one O(4), and one O(5) atom to form corner-sharing TaO6 octahedra. The corner-sharing octahedral tilt angles range from 6-39°. Co(1) is bonded in a 6-coordinate geometry to two equivalent O(4) and four equivalent O(2) atoms. There are twelve inequivalent O sites. In the first O site, O(1) is bonded to one Ba(1), one Ba(2), and two equivalent Ta(3) atoms to form distorted corner-sharing OBa2Ta2 trigonal pyramids. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Ta(2), one Ta(3), and one Co(1) atom. In the third O site, O(3) is bonded in a linear geometry to two equivalent Ta(3) atoms. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Ba(2), two equivalent Ta(3), and one Co(1) atom. In the fifth O site, O(5) is bonded in a distorted bent 150 degrees geometry to one Ba(3), one Ba(4), one Ta(1), and one Ta(3) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Ba(3), one Ba(4), and two equivalent Ta(2) atoms. In the seventh O site, O(7) is bonded in a distorted linear geometry to one Ba(1) and two equivalent Ta(1) atoms. In the eighth O site, O(8) is bonded in a linear geometry to one Ba(2), one Ba(3), and two equivalent Ta(1) atoms. In the ninth O site, O(9) is bonded in a linear geometry to two equivalent Ta(2) atoms. In the tenth O site, O(10) is bonded in a distorted bent 150 degrees geometry to one Ba(3) and two equivalent Ta(2) atoms. In the eleventh O site, O(11) is bonded in a linear geometry to one Ba(2), one Ta(2), and one Ta(3) atom. In the twelfth O site, O(12) is bonded in a distorted bent 150 degrees geometry to one Ba(1), one Ba(2), one Ta(1), and one Ta(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ba4Ta10CoO30
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.019
_cell_length_b   10.019
_cell_length_c   10.019
_cell_angle_alpha   133.509
_cell_angle_beta   117.879
_cell_angle_gamma   81.021
_symmetry_Int_Tables_number   1
_cell_volume   622.798
_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
  Ba  Ba0  1  0.257  0.757  0.500  1.0
  Ba  Ba1  1  0.244  0.244  0.000  1.0
  Ba  Ba2  1  0.654  0.654  0.000  1.0
  Ba  Ba3  1  0.652  0.152  0.500  1.0
  Ta  Ta4  1  0.451  0.201  0.750  1.0
  Ta  Ta5  1  0.451  0.701  0.250  1.0
  Ta  Ta6  1  0.009  0.578  0.933  1.0
  Ta  Ta7  1  0.009  0.077  0.432  1.0
  Ta  Ta8  1  0.645  0.578  0.568  1.0
  Ta  Ta9  1  0.645  0.077  0.067  1.0
  Ta  Ta10  1  0.264  0.332  0.437  1.0
  Ta  Ta11  1  0.264  0.828  0.932  1.0
  Ta  Ta12  1  0.896  0.828  0.563  1.0
  Ta  Ta13  1  0.896  0.332  0.068  1.0
  Co  Co14  1  0.974  0.974  0.000  1.0
  O  O15  1  0.122  0.847  0.725  1.0
  O  O16  1  0.122  0.398  0.275  1.0
  O  O17  1  0.082  0.737  0.921  1.0
  O  O18  1  0.082  0.161  0.345  1.0
  O  O19  1  0.816  0.737  0.655  1.0
  O  O20  1  0.816  0.161  0.079  1.0
  O  O21  1  0.261  0.572  0.689  1.0
  O  O22  1  0.228  0.083  0.145  1.0
  O  O23  1  0.882  0.572  0.311  1.0
  O  O24  1  0.937  0.083  0.855  1.0
  O  O25  1  0.414  0.807  0.130  1.0
  O  O26  1  0.414  0.283  0.607  1.0
  O  O27  1  0.677  0.807  0.393  1.0
  O  O28  1  0.677  0.283  0.870  1.0
  O  O29  1  0.778  0.525  0.747  1.0
  O  O30  1  0.778  0.031  0.253  1.0
  O  O31  1  0.446  0.946  0.500  1.0
  O  O32  1  0.456  0.456  0.000  1.0
  O  O33  1  0.004  0.327  0.677  1.0
  O  O34  1  0.984  0.805  0.179  1.0
  O  O35  1  0.650  0.327  0.323  1.0
  O  O36  1  0.625  0.805  0.821  1.0
  O  O37  1  0.447  0.436  0.486  1.0
  O  O38  1  0.447  0.961  0.011  1.0
  O  O39  1  0.950  0.961  0.514  1.0
  O  O40  1  0.950  0.436  0.989  1.0
  O  O41  1  0.224  0.604  0.118  1.0
  O  O42  1  0.224  0.106  0.620  1.0
  O  O43  1  0.486  0.604  0.380  1.0
  O  O44  1  0.486  0.106  0.882  1.0
[/CIF]
.
The material structure described by Ba4Ta10CoO30 crystallizes in the orthorhombic Imm2 space group. There are four inequivalent Ba sites. In the first Ba site, Ba(1) is bonded in a 7-coordinate geometry to one O(7), two equivalent O(1), and four equivalent O(12) atoms. In the second Ba site, Ba(2) is bonded in a 13-coordinate geometry to one O(8), two equivalent O(1), two equivalent O(4), four equivalent O(11), and four equivalent O(12) atoms. In the third Ba site, Ba(3) is bonded in a 9-coordinate geometry to one O(8), two equivalent O(10), two equivalent O(6), and four equivalent O(5) atoms. In the fourth Ba site, Ba(4) is bonded in a 6-coordinate geometry to two equivalent O(6) and four equivalent O(5) atoms. There are three inequivalent Ta sites. In the first Ta site, Ta(1) is bonded to one O(7), one O(8), two equivalent O(12), and two equivalent O(5) atoms to form corner-sharing TaO6 octahedra. The corner-sharing octahedral tilt angles range from 4-35°. In the second Ta site, Ta(2) is bonded to one O(10), one O(11), one O(12), one O(2), one O(6), and one O(9) atom to form corner-sharing TaO6 octahedra. The corner-sharing octahedral tilt angles range from 3-43°. In the third Ta site, Ta(3) is bonded to one O(1), one O(11), one O(2), one O(3), one O(4), and one O(5) atom to form corner-sharing TaO6 octahedra. The corner-sharing octahedral tilt angles range from 6-39°. Co(1) is bonded in a 6-coordinate geometry to two equivalent O(4) and four equivalent O(2) atoms. There are twelve inequivalent O sites. In the first O site, O(1) is bonded to one Ba(1), one Ba(2), and two equivalent Ta(3) atoms to form distorted corner-sharing OBa2Ta2 trigonal pyramids. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Ta(2), one Ta(3), and one Co(1) atom. In the third O site, O(3) is bonded in a linear geometry to two equivalent Ta(3) atoms. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Ba(2), two equivalent Ta(3), and one Co(1) atom. In the fifth O site, O(5) is bonded in a distorted bent 150 degrees geometry to one Ba(3), one Ba(4), one Ta(1), and one Ta(3) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Ba(3), one Ba(4), and two equivalent Ta(2) atoms. In the seventh O site, O(7) is bonded in a distorted linear geometry to one Ba(1) and two equivalent Ta(1) atoms. In the eighth O site, O(8) is bonded in a linear geometry to one Ba(2), one Ba(3), and two equivalent Ta(1) atoms. In the ninth O site, O(9) is bonded in a linear geometry to two equivalent Ta(2) atoms. In the tenth O site, O(10) is bonded in a distorted bent 150 degrees geometry to one Ba(3) and two equivalent Ta(2) atoms. In the eleventh O site, O(11) is bonded in a linear geometry to one Ba(2), one Ta(2), and one Ta(3) atom. In the twelfth O site, O(12) is bonded in a distorted bent 150 degrees geometry to one Ba(1), one Ba(2), one Ta(1), and one Ta(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ba4Ta10CoO30
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.019
_cell_length_b   10.019
_cell_length_c   10.019
_cell_angle_alpha   133.509
_cell_angle_beta   117.879
_cell_angle_gamma   81.021
_symmetry_Int_Tables_number   1
_cell_volume   622.798
_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
  Ba  Ba0  1  0.257  0.757  0.500  1.0
  Ba  Ba1  1  0.244  0.244  0.000  1.0
  Ba  Ba2  1  0.654  0.654  0.000  1.0
  Ba  Ba3  1  0.652  0.152  0.500  1.0
  Ta  Ta4  1  0.451  0.201  0.750  1.0
  Ta  Ta5  1  0.451  0.701  0.250  1.0
  Ta  Ta6  1  0.009  0.578  0.933  1.0
  Ta  Ta7  1  0.009  0.077  0.432  1.0
  Ta  Ta8  1  0.645  0.578  0.568  1.0
  Ta  Ta9  1  0.645  0.077  0.067  1.0
  Ta  Ta10  1  0.264  0.332  0.437  1.0
  Ta  Ta11  1  0.264  0.828  0.932  1.0
  Ta  Ta12  1  0.896  0.828  0.563  1.0
  Ta  Ta13  1  0.896  0.332  0.068  1.0
  Co  Co14  1  0.974  0.974  0.000  1.0
  O  O15  1  0.122  0.847  0.725  1.0
  O  O16  1  0.122  0.398  0.275  1.0
  O  O17  1  0.082  0.737  0.921  1.0
  O  O18  1  0.082  0.161  0.345  1.0
  O  O19  1  0.816  0.737  0.655  1.0
  O  O20  1  0.816  0.161  0.079  1.0
  O  O21  1  0.261  0.572  0.689  1.0
  O  O22  1  0.228  0.083  0.145  1.0
  O  O23  1  0.882  0.572  0.311  1.0
  O  O24  1  0.937  0.083  0.855  1.0
  O  O25  1  0.414  0.807  0.130  1.0
  O  O26  1  0.414  0.283  0.607  1.0
  O  O27  1  0.677  0.807  0.393  1.0
  O  O28  1  0.677  0.283  0.870  1.0
  O  O29  1  0.778  0.525  0.747  1.0
  O  O30  1  0.778  0.031  0.253  1.0
  O  O31  1  0.446  0.946  0.500  1.0
  O  O32  1  0.456  0.456  0.000  1.0
  O  O33  1  0.004  0.327  0.677  1.0
  O  O34  1  0.984  0.805  0.179  1.0
  O  O35  1  0.650  0.327  0.323  1.0
  O  O36  1  0.625  0.805  0.821  1.0
  O  O37  1  0.447  0.436  0.486  1.0
  O  O38  1  0.447  0.961  0.011  1.0
  O  O39  1  0.950  0.961  0.514  1.0
  O  O40  1  0.950  0.436  0.989  1.0
  O  O41  1  0.224  0.604  0.118  1.0
  O  O42  1  0.224  0.106  0.620  1.0
  O  O43  1  0.486  0.604  0.380  1.0
  O  O44  1  0.486  0.106  0.882  1.0
[/CIF]
.