The material structure described by Sr3LaTa2(FeO6)2 is Orthorhombic Perovskite-derived structured and crystallizes in the triclinic P1 space group. There are six inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 9-coordinate geometry to one O(11), one O(13), one O(19), one O(21), one O(24), one O(5), one O(9), and two equivalent O(3) atoms. In the second Sr site, Sr(2) is bonded in a 10-coordinate geometry to one O(10), one O(12), one O(14), one O(20), one O(22), one O(23), one O(5), one O(6), and two equivalent O(4) atoms. In the third Sr site, Sr(3) is bonded in a 4-coordinate geometry to one O(11), one O(13), one O(15), one O(18), one O(19), one O(21), one O(4), and one O(6) atom. In the fourth Sr site, Sr(4) is bonded in a 4-coordinate geometry to one O(12), one O(14), one O(16), one O(17), one O(20), one O(22), one O(3), and one O(5) atom. In the fifth Sr site, Sr(5) is bonded in a 8-coordinate geometry to one O(1), one O(13), one O(15), one O(17), one O(20), one O(23), one O(7), and one O(9) atom. In the sixth Sr site, Sr(6) is bonded in a 8-coordinate geometry to one O(10), one O(14), one O(16), one O(18), one O(19), one O(2), one O(24), and one O(8) atom. There are two inequivalent La sites. In the first La site, La(1) is bonded in a 8-coordinate geometry to one O(11), one O(15), one O(17), one O(2), one O(22), one O(23), one O(8), and one O(9) atom. In the second La site, La(2) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(12), one O(16), one O(18), one O(21), one O(24), and one O(7) atom. There are four inequivalent Ta sites. In the first Ta site, Ta(1) is bonded to one O(1), one O(10), one O(13), one O(18), one O(21), and one O(6) atom to form TaO6 octahedra that share  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Fe(4)O6 octahedra, corners with two equivalent Fe(1)O6 octahedra, and corners with two equivalent Fe(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 18-24°. In the second Ta site, Ta(2) is bonded to one O(14), one O(17), one O(2), one O(22), one O(5), and one O(9) atom to form TaO6 octahedra that share  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Fe(4)O6 octahedra, corners with two equivalent Fe(1)O6 octahedra, and corners with two equivalent Fe(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 18-24°. In the third Ta site, Ta(3) is bonded to one O(11), one O(16), one O(19), one O(24), one O(3), and one O(8) atom to form TaO6 octahedra that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, and corners with two equivalent Fe(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 19-29°. In the fourth Ta site, Ta(4) is bonded to one O(12), one O(15), one O(20), one O(23), one O(4), and one O(7) atom to form TaO6 octahedra that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, and corners with two equivalent Fe(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 19-29°. There are four inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(10), one O(14), one O(18), one O(22), one O(4), and one O(8) atom to form FeO6 octahedra that share  a cornercorner with one Ta(3)O6 octahedra,  a cornercorner with one Ta(4)O6 octahedra, corners with two equivalent Ta(1)O6 octahedra, and corners with two equivalent Ta(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 18-24°. In the second Fe site, Fe(2) is bonded to one O(1), one O(12), one O(16), one O(20), one O(24), and one O(5) atom to form FeO6 octahedra that share  a cornercorner with one Ta(1)O6 octahedra,  a cornercorner with one Ta(2)O6 octahedra, corners with two equivalent Ta(3)O6 octahedra, and corners with two equivalent Ta(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 21-29°. In the third Fe site, Fe(3) is bonded to one O(13), one O(17), one O(21), one O(3), one O(7), and one O(9) atom to form FeO6 octahedra that share  a cornercorner with one Ta(3)O6 octahedra,  a cornercorner with one Ta(4)O6 octahedra, corners with two equivalent Ta(1)O6 octahedra, and corners with two equivalent Ta(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 18-24°. In the fourth Fe site, Fe(4) is bonded to one O(11), one O(15), one O(19), one O(2), one O(23), and one O(6) atom to form FeO6 octahedra that share  a cornercorner with one Ta(1)O6 octahedra,  a cornercorner with one Ta(2)O6 octahedra, corners with two equivalent Ta(3)O6 octahedra, and corners with two equivalent Ta(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 21-29°. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Sr(5), one La(2), one Ta(1), and one Fe(2) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Sr(6), one La(1), one Ta(2), and one Fe(4) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Sr(4), two equivalent Sr(1), one Ta(3), and one Fe(3) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Sr(3), two equivalent Sr(2), one Ta(4), and one Fe(1) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Sr(1), one Sr(2), one Sr(4), one Ta(2), and one Fe(2) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Sr(2), one Sr(3), one Ta(1), and one Fe(4) atom. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Sr(5), one La(2), one Ta(4), and one Fe(3) atom. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Sr(6), one La(1), one Ta(3), and one Fe(1) atom. In the ninth O site, O(9) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(5), one La(1), one Ta(2), and one Fe(3) atom. In the tenth O site, O(10) is bonded in a 5-coordinate geometry to one Sr(2), one Sr(6), one La(2), one Ta(1), and one Fe(1) atom. In the eleventh O site, O(11) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(3), one La(1), one Ta(3), and one Fe(4) atom. In the twelfth O site, O(12) is bonded in a 5-coordinate geometry to one Sr(2), one Sr(4), one La(2), one Ta(4), and one Fe(2) atom. In the thirteenth O site, O(13) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(3), one Sr(5), one Ta(1), and one Fe(3) atom. In the fourteenth O site, O(14) is bonded in a 5-coordinate geometry to one Sr(2), one Sr(4), one Sr(6), one Ta(2), and one Fe(1) atom. In the fifteenth O site, O(15) is bonded in a 5-coordinate geometry to one Sr(3), one Sr(5), one La(1), one Ta(4), and one Fe(4) atom. In the sixteenth O site, O(16) is bonded in a 5-coordinate geometry to one Sr(4), one Sr(6), one La(2), one Ta(3), and one Fe(2) atom. In the seventeenth O site, O(17) is bonded in a 5-coordinate geometry to one Sr(4), one Sr(5), one La(1), one Ta(2), and one Fe(3) atom. In the eighteenth O site, O(18) is bonded in a 5-coordinate geometry to one Sr(3), one Sr(6), one La(2), one Ta(1), and one Fe(1) atom. In the nineteenth O site, O(19) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(3), one Sr(6), one Ta(3), and one Fe(4) atom. In the twentieth O site, O(20) is bonded in a 5-coordinate geometry to one Sr(2), one Sr(4), one Sr(5), one Ta(4), and one Fe(2) atom. In the twenty-first O site, O(21) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(3), one La(2), one Ta(1), and one Fe(3) atom. In the twenty-second O site, O(22) is bonded in a 5-coordinate geometry to one Sr(2), one Sr(4), one La(1), one Ta(2), and one Fe(1) atom. In the twenty-third O site, O(23) is bonded in a 5-coordinate geometry to one Sr(2), one Sr(5), one La(1), one Ta(4), and one Fe(4) atom. In the twenty-fourth O site, O(24) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(6), one La(2), one Ta(3), and one Fe(2) atom. is represented by the CIF file [CIF]
data_Sr3LaTa2(FeO6)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.693
_cell_length_b   5.695
_cell_length_c   8.089
_cell_angle_alpha   89.723
_cell_angle_beta   90.079
_cell_angle_gamma   89.951
_symmetry_Int_Tables_number   1
_cell_volume   262.260
_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
  Fe  Fe0  1  0.499  0.002  0.498  1.0
  Fe  Fe1  1  0.000  0.502  1.000  1.0
  La  La2  1  0.995  0.043  0.242  1.0
  O  O3  1  0.061  0.474  0.260  1.0
  O  O4  1  0.557  0.005  0.752  1.0
  O  O5  1  0.936  0.515  0.739  1.0
  O  O6  1  0.425  0.994  0.249  1.0
  O  O7  1  0.731  0.273  0.466  1.0
  O  O8  1  0.217  0.199  0.973  1.0
  O  O9  1  0.276  0.720  0.527  1.0
  O  O10  1  0.785  0.802  0.044  1.0
  O  O11  1  0.785  0.780  0.458  1.0
  O  O12  1  0.305  0.713  0.974  1.0
  O  O13  1  0.221  0.224  0.532  1.0
  O  O14  1  0.706  0.274  0.035  1.0
  Sr  Sr15  1  0.495  0.475  0.751  1.0
  Sr  Sr16  1  0.003  0.976  0.751  1.0
  Sr  Sr17  1  0.503  0.525  0.248  1.0
  Ta  Ta18  1  0.002  0.504  0.502  1.0
  Ta  Ta19  1  0.498  0.998  0.996  1.0
[/CIF]
.
The material structure described by Sr3LaTa2(FeO6)2 is Orthorhombic Perovskite-derived structured and crystallizes in the triclinic P1 space group. There are six inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 9-coordinate geometry to one O(11), one O(13), one O(19), one O(21), one O(24), one O(5), one O(9), and two equivalent O(3) atoms. In the second Sr site, Sr(2) is bonded in a 10-coordinate geometry to one O(10), one O(12), one O(14), one O(20), one O(22), one O(23), one O(5), one O(6), and two equivalent O(4) atoms. In the third Sr site, Sr(3) is bonded in a 4-coordinate geometry to one O(11), one O(13), one O(15), one O(18), one O(19), one O(21), one O(4), and one O(6) atom. In the fourth Sr site, Sr(4) is bonded in a 4-coordinate geometry to one O(12), one O(14), one O(16), one O(17), one O(20), one O(22), one O(3), and one O(5) atom. In the fifth Sr site, Sr(5) is bonded in a 8-coordinate geometry to one O(1), one O(13), one O(15), one O(17), one O(20), one O(23), one O(7), and one O(9) atom. In the sixth Sr site, Sr(6) is bonded in a 8-coordinate geometry to one O(10), one O(14), one O(16), one O(18), one O(19), one O(2), one O(24), and one O(8) atom. There are two inequivalent La sites. In the first La site, La(1) is bonded in a 8-coordinate geometry to one O(11), one O(15), one O(17), one O(2), one O(22), one O(23), one O(8), and one O(9) atom. In the second La site, La(2) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(12), one O(16), one O(18), one O(21), one O(24), and one O(7) atom. There are four inequivalent Ta sites. In the first Ta site, Ta(1) is bonded to one O(1), one O(10), one O(13), one O(18), one O(21), and one O(6) atom to form TaO6 octahedra that share  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Fe(4)O6 octahedra, corners with two equivalent Fe(1)O6 octahedra, and corners with two equivalent Fe(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 18-24°. In the second Ta site, Ta(2) is bonded to one O(14), one O(17), one O(2), one O(22), one O(5), and one O(9) atom to form TaO6 octahedra that share  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Fe(4)O6 octahedra, corners with two equivalent Fe(1)O6 octahedra, and corners with two equivalent Fe(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 18-24°. In the third Ta site, Ta(3) is bonded to one O(11), one O(16), one O(19), one O(24), one O(3), and one O(8) atom to form TaO6 octahedra that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, and corners with two equivalent Fe(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 19-29°. In the fourth Ta site, Ta(4) is bonded to one O(12), one O(15), one O(20), one O(23), one O(4), and one O(7) atom to form TaO6 octahedra that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, and corners with two equivalent Fe(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 19-29°. There are four inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(10), one O(14), one O(18), one O(22), one O(4), and one O(8) atom to form FeO6 octahedra that share  a cornercorner with one Ta(3)O6 octahedra,  a cornercorner with one Ta(4)O6 octahedra, corners with two equivalent Ta(1)O6 octahedra, and corners with two equivalent Ta(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 18-24°. In the second Fe site, Fe(2) is bonded to one O(1), one O(12), one O(16), one O(20), one O(24), and one O(5) atom to form FeO6 octahedra that share  a cornercorner with one Ta(1)O6 octahedra,  a cornercorner with one Ta(2)O6 octahedra, corners with two equivalent Ta(3)O6 octahedra, and corners with two equivalent Ta(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 21-29°. In the third Fe site, Fe(3) is bonded to one O(13), one O(17), one O(21), one O(3), one O(7), and one O(9) atom to form FeO6 octahedra that share  a cornercorner with one Ta(3)O6 octahedra,  a cornercorner with one Ta(4)O6 octahedra, corners with two equivalent Ta(1)O6 octahedra, and corners with two equivalent Ta(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 18-24°. In the fourth Fe site, Fe(4) is bonded to one O(11), one O(15), one O(19), one O(2), one O(23), and one O(6) atom to form FeO6 octahedra that share  a cornercorner with one Ta(1)O6 octahedra,  a cornercorner with one Ta(2)O6 octahedra, corners with two equivalent Ta(3)O6 octahedra, and corners with two equivalent Ta(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 21-29°. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Sr(5), one La(2), one Ta(1), and one Fe(2) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Sr(6), one La(1), one Ta(2), and one Fe(4) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Sr(4), two equivalent Sr(1), one Ta(3), and one Fe(3) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Sr(3), two equivalent Sr(2), one Ta(4), and one Fe(1) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Sr(1), one Sr(2), one Sr(4), one Ta(2), and one Fe(2) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Sr(2), one Sr(3), one Ta(1), and one Fe(4) atom. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Sr(5), one La(2), one Ta(4), and one Fe(3) atom. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Sr(6), one La(1), one Ta(3), and one Fe(1) atom. In the ninth O site, O(9) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(5), one La(1), one Ta(2), and one Fe(3) atom. In the tenth O site, O(10) is bonded in a 5-coordinate geometry to one Sr(2), one Sr(6), one La(2), one Ta(1), and one Fe(1) atom. In the eleventh O site, O(11) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(3), one La(1), one Ta(3), and one Fe(4) atom. In the twelfth O site, O(12) is bonded in a 5-coordinate geometry to one Sr(2), one Sr(4), one La(2), one Ta(4), and one Fe(2) atom. In the thirteenth O site, O(13) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(3), one Sr(5), one Ta(1), and one Fe(3) atom. In the fourteenth O site, O(14) is bonded in a 5-coordinate geometry to one Sr(2), one Sr(4), one Sr(6), one Ta(2), and one Fe(1) atom. In the fifteenth O site, O(15) is bonded in a 5-coordinate geometry to one Sr(3), one Sr(5), one La(1), one Ta(4), and one Fe(4) atom. In the sixteenth O site, O(16) is bonded in a 5-coordinate geometry to one Sr(4), one Sr(6), one La(2), one Ta(3), and one Fe(2) atom. In the seventeenth O site, O(17) is bonded in a 5-coordinate geometry to one Sr(4), one Sr(5), one La(1), one Ta(2), and one Fe(3) atom. In the eighteenth O site, O(18) is bonded in a 5-coordinate geometry to one Sr(3), one Sr(6), one La(2), one Ta(1), and one Fe(1) atom. In the nineteenth O site, O(19) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(3), one Sr(6), one Ta(3), and one Fe(4) atom. In the twentieth O site, O(20) is bonded in a 5-coordinate geometry to one Sr(2), one Sr(4), one Sr(5), one Ta(4), and one Fe(2) atom. In the twenty-first O site, O(21) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(3), one La(2), one Ta(1), and one Fe(3) atom. In the twenty-second O site, O(22) is bonded in a 5-coordinate geometry to one Sr(2), one Sr(4), one La(1), one Ta(2), and one Fe(1) atom. In the twenty-third O site, O(23) is bonded in a 5-coordinate geometry to one Sr(2), one Sr(5), one La(1), one Ta(4), and one Fe(4) atom. In the twenty-fourth O site, O(24) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(6), one La(2), one Ta(3), and one Fe(2) atom. is represented by the CIF file [CIF]
data_Sr3LaTa2(FeO6)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.693
_cell_length_b   5.695
_cell_length_c   8.089
_cell_angle_alpha   89.723
_cell_angle_beta   90.079
_cell_angle_gamma   89.951
_symmetry_Int_Tables_number   1
_cell_volume   262.260
_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
  Fe  Fe0  1  0.499  0.002  0.498  1.0
  Fe  Fe1  1  0.000  0.502  1.000  1.0
  La  La2  1  0.995  0.043  0.242  1.0
  O  O3  1  0.061  0.474  0.260  1.0
  O  O4  1  0.557  0.005  0.752  1.0
  O  O5  1  0.936  0.515  0.739  1.0
  O  O6  1  0.425  0.994  0.249  1.0
  O  O7  1  0.731  0.273  0.466  1.0
  O  O8  1  0.217  0.199  0.973  1.0
  O  O9  1  0.276  0.720  0.527  1.0
  O  O10  1  0.785  0.802  0.044  1.0
  O  O11  1  0.785  0.780  0.458  1.0
  O  O12  1  0.305  0.713  0.974  1.0
  O  O13  1  0.221  0.224  0.532  1.0
  O  O14  1  0.706  0.274  0.035  1.0
  Sr  Sr15  1  0.495  0.475  0.751  1.0
  Sr  Sr16  1  0.003  0.976  0.751  1.0
  Sr  Sr17  1  0.503  0.525  0.248  1.0
  Ta  Ta18  1  0.002  0.504  0.502  1.0
  Ta  Ta19  1  0.498  0.998  0.996  1.0
[/CIF]
.