The material structure described by Sr3LaTa2(CoO6)2 is (Cubic) Perovskite-derived structured and crystallizes in the orthorhombic Pmm2 space group. There are six inequivalent Sr sites. In the first Sr site, Sr(1) is bonded to two equivalent O(11), two equivalent O(2), four equivalent O(1), and four equivalent O(3) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(1)O12 cuboctahedra, corners with four equivalent Sr(4)O12 cuboctahedra, corners with four equivalent La(1)O12 cuboctahedra,  a faceface with one Sr(6)O12 cuboctahedra,  a faceface with one La(2)O12 cuboctahedra, faces with four equivalent Sr(5)O12 cuboctahedra, faces with two equivalent Ta(2)O6 octahedra, faces with two equivalent Ta(3)O6 octahedra, faces with two equivalent Co(3)O6 octahedra, and faces with two equivalent Co(4)O6 octahedra. In the second Sr site, Sr(2) is bonded to two equivalent O(6), two equivalent O(8), four equivalent O(5), and four equivalent O(7) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(2)O12 cuboctahedra, corners with four equivalent Sr(4)O12 cuboctahedra, corners with four equivalent La(1)O12 cuboctahedra,  a faceface with one Sr(6)O12 cuboctahedra,  a faceface with one La(2)O12 cuboctahedra, faces with four equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Ta(1)O6 octahedra, faces with two equivalent Ta(4)O6 octahedra, faces with two equivalent Co(1)O6 octahedra, and faces with two equivalent Co(2)O6 octahedra. In the third Sr site, Sr(3) is bonded to two equivalent O(6), two equivalent O(8), four equivalent O(5), and four equivalent O(7) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(3)O12 cuboctahedra, corners with four equivalent Sr(6)O12 cuboctahedra, corners with four equivalent La(2)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one La(1)O12 cuboctahedra, faces with four equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Ta(1)O6 octahedra, faces with two equivalent Ta(4)O6 octahedra, faces with two equivalent Co(1)O6 octahedra, and faces with two equivalent Co(2)O6 octahedra. In the fourth Sr site, Sr(4) is bonded to two equivalent O(10), two equivalent O(9), four equivalent O(1), and four equivalent O(7) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(1)O12 cuboctahedra, corners with four equivalent Sr(2)O12 cuboctahedra, corners with four equivalent Sr(4)O12 cuboctahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra, faces with four equivalent La(2)O12 cuboctahedra, faces with two equivalent Ta(1)O6 octahedra, faces with two equivalent Ta(2)O6 octahedra, faces with two equivalent Co(2)O6 octahedra, and faces with two equivalent Co(3)O6 octahedra. In the fifth Sr site, Sr(5) is bonded to two equivalent O(11), two equivalent O(2), four equivalent O(1), and four equivalent O(3) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(5)O12 cuboctahedra, corners with four equivalent Sr(6)O12 cuboctahedra, corners with four equivalent La(2)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one La(1)O12 cuboctahedra, faces with four equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Ta(2)O6 octahedra, faces with two equivalent Ta(3)O6 octahedra, faces with two equivalent Co(3)O6 octahedra, and faces with two equivalent Co(4)O6 octahedra. In the sixth Sr site, Sr(6) is bonded to two equivalent O(12), two equivalent O(4), four equivalent O(3), and four equivalent O(5) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(3)O12 cuboctahedra, corners with four equivalent Sr(5)O12 cuboctahedra, corners with four equivalent Sr(6)O12 cuboctahedra,  a faceface with one Sr(1)O12 cuboctahedra,  a faceface with one Sr(2)O12 cuboctahedra, faces with four equivalent La(1)O12 cuboctahedra, faces with two equivalent Ta(3)O6 octahedra, faces with two equivalent Ta(4)O6 octahedra, faces with two equivalent Co(1)O6 octahedra, and faces with two equivalent Co(4)O6 octahedra. There are two inequivalent La sites. In the first La site, La(1) is bonded to two equivalent O(12), two equivalent O(4), four equivalent O(3), and four equivalent O(5) atoms to form LaO12 cuboctahedra that share corners with four equivalent Sr(1)O12 cuboctahedra, corners with four equivalent Sr(2)O12 cuboctahedra, corners with four equivalent La(1)O12 cuboctahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra, faces with four equivalent Sr(6)O12 cuboctahedra, faces with two equivalent Ta(3)O6 octahedra, faces with two equivalent Ta(4)O6 octahedra, faces with two equivalent Co(1)O6 octahedra, and faces with two equivalent Co(4)O6 octahedra. In the second La site, La(2) is bonded to two equivalent O(10), two equivalent O(9), four equivalent O(1), and four equivalent O(7) atoms to form LaO12 cuboctahedra that share corners with four equivalent Sr(3)O12 cuboctahedra, corners with four equivalent Sr(5)O12 cuboctahedra, corners with four equivalent La(2)O12 cuboctahedra,  a faceface with one Sr(1)O12 cuboctahedra,  a faceface with one Sr(2)O12 cuboctahedra, faces with four equivalent Sr(4)O12 cuboctahedra, faces with two equivalent Ta(1)O6 octahedra, faces with two equivalent Ta(2)O6 octahedra, faces with two equivalent Co(2)O6 octahedra, and faces with two equivalent Co(3)O6 octahedra. There are four inequivalent Ta sites. In the first Ta site, Ta(1) is bonded to one O(10), one O(6), and four equivalent O(7) atoms to form TaO6 octahedra that share  a cornercorner with one Ta(2)O6 octahedra,  a cornercorner with one Co(1)O6 octahedra, corners with four equivalent Co(2)O6 octahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Sr(4)O12 cuboctahedra, and faces with two equivalent La(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-6°. In the second Ta site, Ta(2) is bonded to one O(10), one O(11), and four equivalent O(1) atoms to form TaO6 octahedra that share  a cornercorner with one Ta(1)O6 octahedra,  a cornercorner with one Ta(3)O6 octahedra, corners with four equivalent Co(3)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(4)O12 cuboctahedra, faces with two equivalent Sr(5)O12 cuboctahedra, and faces with two equivalent La(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-4°. In the third Ta site, Ta(3) is bonded to one O(11), one O(4), and four equivalent O(3) atoms to form TaO6 octahedra that share  a cornercorner with one Ta(2)O6 octahedra,  a cornercorner with one Co(1)O6 octahedra, corners with four equivalent Co(4)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(5)O12 cuboctahedra, faces with two equivalent Sr(6)O12 cuboctahedra, and faces with two equivalent La(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. In the fourth Ta site, Ta(4) is bonded to one O(12), one O(8), and four equivalent O(5) atoms to form TaO6 octahedra that share  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one Co(4)O6 octahedra, corners with four equivalent Co(1)O6 octahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Sr(6)O12 cuboctahedra, and faces with two equivalent La(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-5°. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(4), one O(6), and four equivalent O(5) atoms to form CoO6 octahedra that share  a cornercorner with one Ta(1)O6 octahedra,  a cornercorner with one Ta(3)O6 octahedra, corners with four equivalent Ta(4)O6 octahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Sr(6)O12 cuboctahedra, and faces with two equivalent La(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-5°. In the second Co site, Co(2) is bonded to one O(8), one O(9), and four equivalent O(7) atoms to form CoO6 octahedra that share  a cornercorner with one Ta(4)O6 octahedra,  a cornercorner with one Co(3)O6 octahedra, corners with four equivalent Ta(1)O6 octahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Sr(4)O12 cuboctahedra, and faces with two equivalent La(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-6°. In the third Co site, Co(3) is bonded to one O(2), one O(9), and four equivalent O(1) atoms to form CoO6 octahedra that share  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one Co(4)O6 octahedra, corners with four equivalent Ta(2)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(4)O12 cuboctahedra, faces with two equivalent Sr(5)O12 cuboctahedra, and faces with two equivalent La(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-4°. In the fourth Co site, Co(4) is bonded to one O(12), one O(2), and four equivalent O(3) atoms to form CoO6 octahedra that share  a cornercorner with one Ta(4)O6 octahedra,  a cornercorner with one Co(3)O6 octahedra, corners with four equivalent Ta(3)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(5)O12 cuboctahedra, faces with two equivalent Sr(6)O12 cuboctahedra, and faces with two equivalent La(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted linear geometry to one Sr(1), one Sr(4), one Sr(5), one La(2), one Ta(2), and one Co(3) atom. In the second O site, O(2) is bonded in a distorted linear geometry to two equivalent Sr(1), two equivalent Sr(5), one Co(3), and one Co(4) atom. In the third O site, O(3) is bonded in a distorted linear geometry to one Sr(1), one Sr(5), one Sr(6), one La(1), one Ta(3), and one Co(4) atom. In the fourth O site, O(4) is bonded in a distorted linear geometry to two equivalent Sr(6), two equivalent La(1), one Ta(3), and one Co(1) atom. In the fifth O site, O(5) is bonded to one Sr(2), one Sr(3), one Sr(6), one La(1), one Ta(4), and one Co(1) atom to form distorted OSr3LaTaCo octahedra that share corners with two equivalent O(5)Sr3LaTaCo octahedra, corners with two equivalent O(8)Sr4TaCo octahedra, edges with two equivalent O(5)Sr3LaTaCo octahedra,  a faceface with one O(8)Sr4TaCo octahedra, and faces with four equivalent O(5)Sr3LaTaCo octahedra. The corner-sharing octahedral tilt angles range from 4-60°. In the sixth O site, O(6) is bonded in a distorted linear geometry to two equivalent Sr(2), two equivalent Sr(3), one Ta(1), and one Co(1) atom. In the seventh O site, O(7) is bonded in a 2-coordinate geometry to one Sr(2), one Sr(3), one Sr(4), one La(2), one Ta(1), and one Co(2) atom. In the eighth O site, O(8) is bonded to two equivalent Sr(2), two equivalent Sr(3), one Ta(4), and one Co(2) atom to form distorted OSr4TaCo octahedra that share corners with four equivalent O(8)Sr4TaCo octahedra, corners with eight equivalent O(5)Sr3LaTaCo octahedra, and faces with four equivalent O(5)Sr3LaTaCo octahedra. The corner-sharing octahedral tilt angles range from 0-60°. In the ninth O site, O(9) is bonded in a distorted linear geometry to two equivalent Sr(4), two equivalent La(2), one Co(2), and one Co(3) atom. In the tenth O site, O(10) is bonded in a distorted linear geometry to two equivalent Sr(4), two equivalent La(2), one Ta(1), and one Ta(2) atom. In the eleventh O site, O(11) is bonded in a distorted linear geometry to two equivalent Sr(1), two equivalent Sr(5), one Ta(2), and one Ta(3) atom. In the twelfth O site, O(12) is bonded in a distorted linear geometry to two equivalent Sr(6), two equivalent La(1), one Ta(4), and one Co(4) atom. is represented by the CIF card [CIF]
data_Sr3LaTa2(CoO6)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.689
_cell_length_b   5.693
_cell_length_c   15.992
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   517.907
_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
  Sr  Sr0  1  0.500  0.500  0.625  1.0
  Sr  Sr1  1  0.500  0.500  0.127  1.0
  Sr  Sr2  1  0.000  0.000  0.129  1.0
  Sr  Sr3  1  0.000  0.000  0.874  1.0
  Sr  Sr4  1  0.000  0.000  0.623  1.0
  Sr  Sr5  1  0.500  0.500  0.375  1.0
  La  La6  1  0.000  0.000  0.371  1.0
  La  La7  1  0.500  0.500  0.876  1.0
  Ta  Ta8  1  0.500  0.000  0.003  1.0
  Ta  Ta9  1  0.500  0.000  0.749  1.0
  Ta  Ta10  1  0.500  0.000  0.496  1.0
  Ta  Ta11  1  0.000  0.500  0.250  1.0
  Co  Co12  1  0.500  0.000  0.251  1.0
  Co  Co13  1  0.000  0.500  0.996  1.0
  Co  Co14  1  0.000  0.500  0.749  1.0
  Co  Co15  1  0.000  0.500  0.503  1.0
  O  O16  1  0.741  0.751  0.753  1.0
  O  O17  1  0.000  0.500  0.635  1.0
  O  O18  1  0.749  0.243  0.500  1.0
  O  O19  1  0.251  0.243  0.500  1.0
  O  O20  1  0.500  0.000  0.376  1.0
  O  O21  1  0.242  0.248  0.255  1.0
  O  O22  1  0.242  0.752  0.255  1.0
  O  O23  1  0.758  0.248  0.255  1.0
  O  O24  1  0.500  0.000  0.123  1.0
  O  O25  1  0.758  0.752  0.255  1.0
  O  O26  1  0.741  0.749  0.993  1.0
  O  O27  1  0.000  0.500  0.127  1.0
  O  O28  1  0.741  0.251  0.993  1.0
  O  O29  1  0.259  0.749  0.993  1.0
  O  O30  1  0.259  0.251  0.993  1.0
  O  O31  1  0.000  0.500  0.865  1.0
  O  O32  1  0.500  0.000  0.874  1.0
  O  O33  1  0.259  0.249  0.753  1.0
  O  O34  1  0.259  0.751  0.753  1.0
  O  O35  1  0.741  0.249  0.753  1.0
  O  O36  1  0.500  0.000  0.625  1.0
  O  O37  1  0.749  0.757  0.500  1.0
  O  O38  1  0.251  0.757  0.500  1.0
  O  O39  1  0.000  0.500  0.375  1.0
[/CIF]
.
The material structure described by Sr3LaTa2(CoO6)2 is (Cubic) Perovskite-derived structured and crystallizes in the orthorhombic Pmm2 space group. There are six inequivalent Sr sites. In the first Sr site, Sr(1) is bonded to two equivalent O(11), two equivalent O(2), four equivalent O(1), and four equivalent O(3) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(1)O12 cuboctahedra, corners with four equivalent Sr(4)O12 cuboctahedra, corners with four equivalent La(1)O12 cuboctahedra,  a faceface with one Sr(6)O12 cuboctahedra,  a faceface with one La(2)O12 cuboctahedra, faces with four equivalent Sr(5)O12 cuboctahedra, faces with two equivalent Ta(2)O6 octahedra, faces with two equivalent Ta(3)O6 octahedra, faces with two equivalent Co(3)O6 octahedra, and faces with two equivalent Co(4)O6 octahedra. In the second Sr site, Sr(2) is bonded to two equivalent O(6), two equivalent O(8), four equivalent O(5), and four equivalent O(7) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(2)O12 cuboctahedra, corners with four equivalent Sr(4)O12 cuboctahedra, corners with four equivalent La(1)O12 cuboctahedra,  a faceface with one Sr(6)O12 cuboctahedra,  a faceface with one La(2)O12 cuboctahedra, faces with four equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Ta(1)O6 octahedra, faces with two equivalent Ta(4)O6 octahedra, faces with two equivalent Co(1)O6 octahedra, and faces with two equivalent Co(2)O6 octahedra. In the third Sr site, Sr(3) is bonded to two equivalent O(6), two equivalent O(8), four equivalent O(5), and four equivalent O(7) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(3)O12 cuboctahedra, corners with four equivalent Sr(6)O12 cuboctahedra, corners with four equivalent La(2)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one La(1)O12 cuboctahedra, faces with four equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Ta(1)O6 octahedra, faces with two equivalent Ta(4)O6 octahedra, faces with two equivalent Co(1)O6 octahedra, and faces with two equivalent Co(2)O6 octahedra. In the fourth Sr site, Sr(4) is bonded to two equivalent O(10), two equivalent O(9), four equivalent O(1), and four equivalent O(7) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(1)O12 cuboctahedra, corners with four equivalent Sr(2)O12 cuboctahedra, corners with four equivalent Sr(4)O12 cuboctahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra, faces with four equivalent La(2)O12 cuboctahedra, faces with two equivalent Ta(1)O6 octahedra, faces with two equivalent Ta(2)O6 octahedra, faces with two equivalent Co(2)O6 octahedra, and faces with two equivalent Co(3)O6 octahedra. In the fifth Sr site, Sr(5) is bonded to two equivalent O(11), two equivalent O(2), four equivalent O(1), and four equivalent O(3) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(5)O12 cuboctahedra, corners with four equivalent Sr(6)O12 cuboctahedra, corners with four equivalent La(2)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one La(1)O12 cuboctahedra, faces with four equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Ta(2)O6 octahedra, faces with two equivalent Ta(3)O6 octahedra, faces with two equivalent Co(3)O6 octahedra, and faces with two equivalent Co(4)O6 octahedra. In the sixth Sr site, Sr(6) is bonded to two equivalent O(12), two equivalent O(4), four equivalent O(3), and four equivalent O(5) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(3)O12 cuboctahedra, corners with four equivalent Sr(5)O12 cuboctahedra, corners with four equivalent Sr(6)O12 cuboctahedra,  a faceface with one Sr(1)O12 cuboctahedra,  a faceface with one Sr(2)O12 cuboctahedra, faces with four equivalent La(1)O12 cuboctahedra, faces with two equivalent Ta(3)O6 octahedra, faces with two equivalent Ta(4)O6 octahedra, faces with two equivalent Co(1)O6 octahedra, and faces with two equivalent Co(4)O6 octahedra. There are two inequivalent La sites. In the first La site, La(1) is bonded to two equivalent O(12), two equivalent O(4), four equivalent O(3), and four equivalent O(5) atoms to form LaO12 cuboctahedra that share corners with four equivalent Sr(1)O12 cuboctahedra, corners with four equivalent Sr(2)O12 cuboctahedra, corners with four equivalent La(1)O12 cuboctahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra, faces with four equivalent Sr(6)O12 cuboctahedra, faces with two equivalent Ta(3)O6 octahedra, faces with two equivalent Ta(4)O6 octahedra, faces with two equivalent Co(1)O6 octahedra, and faces with two equivalent Co(4)O6 octahedra. In the second La site, La(2) is bonded to two equivalent O(10), two equivalent O(9), four equivalent O(1), and four equivalent O(7) atoms to form LaO12 cuboctahedra that share corners with four equivalent Sr(3)O12 cuboctahedra, corners with four equivalent Sr(5)O12 cuboctahedra, corners with four equivalent La(2)O12 cuboctahedra,  a faceface with one Sr(1)O12 cuboctahedra,  a faceface with one Sr(2)O12 cuboctahedra, faces with four equivalent Sr(4)O12 cuboctahedra, faces with two equivalent Ta(1)O6 octahedra, faces with two equivalent Ta(2)O6 octahedra, faces with two equivalent Co(2)O6 octahedra, and faces with two equivalent Co(3)O6 octahedra. There are four inequivalent Ta sites. In the first Ta site, Ta(1) is bonded to one O(10), one O(6), and four equivalent O(7) atoms to form TaO6 octahedra that share  a cornercorner with one Ta(2)O6 octahedra,  a cornercorner with one Co(1)O6 octahedra, corners with four equivalent Co(2)O6 octahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Sr(4)O12 cuboctahedra, and faces with two equivalent La(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-6°. In the second Ta site, Ta(2) is bonded to one O(10), one O(11), and four equivalent O(1) atoms to form TaO6 octahedra that share  a cornercorner with one Ta(1)O6 octahedra,  a cornercorner with one Ta(3)O6 octahedra, corners with four equivalent Co(3)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(4)O12 cuboctahedra, faces with two equivalent Sr(5)O12 cuboctahedra, and faces with two equivalent La(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-4°. In the third Ta site, Ta(3) is bonded to one O(11), one O(4), and four equivalent O(3) atoms to form TaO6 octahedra that share  a cornercorner with one Ta(2)O6 octahedra,  a cornercorner with one Co(1)O6 octahedra, corners with four equivalent Co(4)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(5)O12 cuboctahedra, faces with two equivalent Sr(6)O12 cuboctahedra, and faces with two equivalent La(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. In the fourth Ta site, Ta(4) is bonded to one O(12), one O(8), and four equivalent O(5) atoms to form TaO6 octahedra that share  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one Co(4)O6 octahedra, corners with four equivalent Co(1)O6 octahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Sr(6)O12 cuboctahedra, and faces with two equivalent La(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-5°. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(4), one O(6), and four equivalent O(5) atoms to form CoO6 octahedra that share  a cornercorner with one Ta(1)O6 octahedra,  a cornercorner with one Ta(3)O6 octahedra, corners with four equivalent Ta(4)O6 octahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Sr(6)O12 cuboctahedra, and faces with two equivalent La(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-5°. In the second Co site, Co(2) is bonded to one O(8), one O(9), and four equivalent O(7) atoms to form CoO6 octahedra that share  a cornercorner with one Ta(4)O6 octahedra,  a cornercorner with one Co(3)O6 octahedra, corners with four equivalent Ta(1)O6 octahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Sr(4)O12 cuboctahedra, and faces with two equivalent La(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-6°. In the third Co site, Co(3) is bonded to one O(2), one O(9), and four equivalent O(1) atoms to form CoO6 octahedra that share  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one Co(4)O6 octahedra, corners with four equivalent Ta(2)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(4)O12 cuboctahedra, faces with two equivalent Sr(5)O12 cuboctahedra, and faces with two equivalent La(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-4°. In the fourth Co site, Co(4) is bonded to one O(12), one O(2), and four equivalent O(3) atoms to form CoO6 octahedra that share  a cornercorner with one Ta(4)O6 octahedra,  a cornercorner with one Co(3)O6 octahedra, corners with four equivalent Ta(3)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(5)O12 cuboctahedra, faces with two equivalent Sr(6)O12 cuboctahedra, and faces with two equivalent La(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted linear geometry to one Sr(1), one Sr(4), one Sr(5), one La(2), one Ta(2), and one Co(3) atom. In the second O site, O(2) is bonded in a distorted linear geometry to two equivalent Sr(1), two equivalent Sr(5), one Co(3), and one Co(4) atom. In the third O site, O(3) is bonded in a distorted linear geometry to one Sr(1), one Sr(5), one Sr(6), one La(1), one Ta(3), and one Co(4) atom. In the fourth O site, O(4) is bonded in a distorted linear geometry to two equivalent Sr(6), two equivalent La(1), one Ta(3), and one Co(1) atom. In the fifth O site, O(5) is bonded to one Sr(2), one Sr(3), one Sr(6), one La(1), one Ta(4), and one Co(1) atom to form distorted OSr3LaTaCo octahedra that share corners with two equivalent O(5)Sr3LaTaCo octahedra, corners with two equivalent O(8)Sr4TaCo octahedra, edges with two equivalent O(5)Sr3LaTaCo octahedra,  a faceface with one O(8)Sr4TaCo octahedra, and faces with four equivalent O(5)Sr3LaTaCo octahedra. The corner-sharing octahedral tilt angles range from 4-60°. In the sixth O site, O(6) is bonded in a distorted linear geometry to two equivalent Sr(2), two equivalent Sr(3), one Ta(1), and one Co(1) atom. In the seventh O site, O(7) is bonded in a 2-coordinate geometry to one Sr(2), one Sr(3), one Sr(4), one La(2), one Ta(1), and one Co(2) atom. In the eighth O site, O(8) is bonded to two equivalent Sr(2), two equivalent Sr(3), one Ta(4), and one Co(2) atom to form distorted OSr4TaCo octahedra that share corners with four equivalent O(8)Sr4TaCo octahedra, corners with eight equivalent O(5)Sr3LaTaCo octahedra, and faces with four equivalent O(5)Sr3LaTaCo octahedra. The corner-sharing octahedral tilt angles range from 0-60°. In the ninth O site, O(9) is bonded in a distorted linear geometry to two equivalent Sr(4), two equivalent La(2), one Co(2), and one Co(3) atom. In the tenth O site, O(10) is bonded in a distorted linear geometry to two equivalent Sr(4), two equivalent La(2), one Ta(1), and one Ta(2) atom. In the eleventh O site, O(11) is bonded in a distorted linear geometry to two equivalent Sr(1), two equivalent Sr(5), one Ta(2), and one Ta(3) atom. In the twelfth O site, O(12) is bonded in a distorted linear geometry to two equivalent Sr(6), two equivalent La(1), one Ta(4), and one Co(4) atom. is represented by the CIF card [CIF]
data_Sr3LaTa2(CoO6)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.689
_cell_length_b   5.693
_cell_length_c   15.992
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   517.907
_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
  Sr  Sr0  1  0.500  0.500  0.625  1.0
  Sr  Sr1  1  0.500  0.500  0.127  1.0
  Sr  Sr2  1  0.000  0.000  0.129  1.0
  Sr  Sr3  1  0.000  0.000  0.874  1.0
  Sr  Sr4  1  0.000  0.000  0.623  1.0
  Sr  Sr5  1  0.500  0.500  0.375  1.0
  La  La6  1  0.000  0.000  0.371  1.0
  La  La7  1  0.500  0.500  0.876  1.0
  Ta  Ta8  1  0.500  0.000  0.003  1.0
  Ta  Ta9  1  0.500  0.000  0.749  1.0
  Ta  Ta10  1  0.500  0.000  0.496  1.0
  Ta  Ta11  1  0.000  0.500  0.250  1.0
  Co  Co12  1  0.500  0.000  0.251  1.0
  Co  Co13  1  0.000  0.500  0.996  1.0
  Co  Co14  1  0.000  0.500  0.749  1.0
  Co  Co15  1  0.000  0.500  0.503  1.0
  O  O16  1  0.741  0.751  0.753  1.0
  O  O17  1  0.000  0.500  0.635  1.0
  O  O18  1  0.749  0.243  0.500  1.0
  O  O19  1  0.251  0.243  0.500  1.0
  O  O20  1  0.500  0.000  0.376  1.0
  O  O21  1  0.242  0.248  0.255  1.0
  O  O22  1  0.242  0.752  0.255  1.0
  O  O23  1  0.758  0.248  0.255  1.0
  O  O24  1  0.500  0.000  0.123  1.0
  O  O25  1  0.758  0.752  0.255  1.0
  O  O26  1  0.741  0.749  0.993  1.0
  O  O27  1  0.000  0.500  0.127  1.0
  O  O28  1  0.741  0.251  0.993  1.0
  O  O29  1  0.259  0.749  0.993  1.0
  O  O30  1  0.259  0.251  0.993  1.0
  O  O31  1  0.000  0.500  0.865  1.0
  O  O32  1  0.500  0.000  0.874  1.0
  O  O33  1  0.259  0.249  0.753  1.0
  O  O34  1  0.259  0.751  0.753  1.0
  O  O35  1  0.741  0.249  0.753  1.0
  O  O36  1  0.500  0.000  0.625  1.0
  O  O37  1  0.749  0.757  0.500  1.0
  O  O38  1  0.251  0.757  0.500  1.0
  O  O39  1  0.000  0.500  0.375  1.0
[/CIF]
.