The compound described by Ba10Fe8Pt2O25Cl2 crystallizes in the hexagonal P-6m2 space group. There are six inequivalent Ba sites. In the first Ba site, Ba(1) is bonded in a 10-coordinate geometry to three equivalent O(3), six equivalent O(1), and one Cl(1) atom. In the second Ba site, Ba(2) is bonded in a 10-coordinate geometry to three equivalent O(4), six equivalent O(2), and one Cl(2) atom. In the third Ba site, Ba(3) is bonded in a 9-coordinate geometry to six equivalent O(1) and three equivalent Cl(1) atoms. In the fourth Ba site, Ba(4) is bonded to three equivalent O(5), six equivalent O(2), and three equivalent Cl(2) atoms to form BaCl3O9 cuboctahedra that share edges with six equivalent Ba(4)Cl3O9 cuboctahedra, edges with six equivalent Fe(1)O4 tetrahedra, and faces with two equivalent Fe(3)O6 octahedra. In the fifth Ba site, Ba(5) is bonded in a 12-coordinate geometry to three equivalent O(2), three equivalent O(3), and six equivalent O(4) atoms. In the sixth Ba site, Ba(6) is bonded in a 9-coordinate geometry to three equivalent O(4) and six equivalent O(3) atoms. There are four inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(5) and three equivalent O(2) atoms to form FeO4 tetrahedra that share corners with three equivalent Fe(3)O6 octahedra,  a cornercorner with one Fe(1)O4 tetrahedra, and edges with three equivalent Ba(4)Cl3O9 cuboctahedra. The corner-sharing octahedral tilt angles are 11°. In the second Fe site, Fe(2) is bonded in a trigonal non-coplanar geometry to three equivalent O(1) atoms. In the third Fe site, Fe(3) is bonded to three equivalent O(2) and three equivalent O(4) atoms to form FeO6 octahedra that share corners with three equivalent Fe(1)O4 tetrahedra,  a faceface with one Ba(4)Cl3O9 cuboctahedra, and  a faceface with one Pt(1)O6 octahedra. In the fourth Fe site, Fe(4) is bonded to three equivalent O(1) and three equivalent O(3) atoms to form FeO6 octahedra that share  a faceface with one Pt(1)O6 octahedra. Pt(1) is bonded to three equivalent O(3) and three equivalent O(4) atoms to form PtO6 octahedra that share  a faceface with one Fe(3)O6 octahedra and  a faceface with one Fe(4)O6 octahedra. There are five inequivalent O sites. In the first O site, O(3) is bonded to one Ba(1), one Ba(5), two equivalent Ba(6), one Fe(4), and one Pt(1) atom to form distorted OBa4FePt octahedra that share corners with five equivalent O(4)Ba4FePt octahedra, corners with six equivalent O(3)Ba4FePt octahedra,  a cornercorner with one Cl(1)Ba5 trigonal bipyramid, edges with two equivalent O(4)Ba4FePt octahedra, faces with two equivalent O(4)Ba4FePt octahedra, and faces with four equivalent O(3)Ba4FePt octahedra. The corner-sharing octahedral tilt angles range from 0-62°. In the second O site, O(4) is bonded to one Ba(2), one Ba(6), two equivalent Ba(5), one Fe(3), and one Pt(1) atom to form distorted OBa4FePt octahedra that share corners with five equivalent O(3)Ba4FePt octahedra, corners with six equivalent O(4)Ba4FePt octahedra,  a cornercorner with one Cl(2)Ba5 trigonal bipyramid, edges with two equivalent O(3)Ba4FePt octahedra, faces with two equivalent O(3)Ba4FePt octahedra, and faces with four equivalent O(4)Ba4FePt octahedra. The corner-sharing octahedral tilt angles range from 0-61°. In the third O site, O(5) is bonded in a linear geometry to three equivalent Ba(4) and two equivalent Fe(1) atoms. In the fourth O site, O(1) is bonded in a 2-coordinate geometry to one Ba(3), two equivalent Ba(1), one Fe(2), and one Fe(4) atom. In the fifth O site, O(2) is bonded in a distorted linear geometry to one Ba(4), one Ba(5), two equivalent Ba(2), one Fe(1), and one Fe(3) atom. There are two inequivalent Cl sites. In the first Cl site, Cl(1) is bonded to two equivalent Ba(1) and three equivalent Ba(3) atoms to form ClBa5 trigonal bipyramids that share corners with six equivalent O(3)Ba4FePt octahedra and corners with six equivalent Cl(1)Ba5 trigonal bipyramids. The corner-sharing octahedral tilt angles are 44°. In the second Cl site, Cl(2) is bonded to two equivalent Ba(2) and three equivalent Ba(4) atoms to form ClBa5 trigonal bipyramids that share corners with six equivalent O(4)Ba4FePt octahedra and corners with six equivalent Cl(2)Ba5 trigonal bipyramids. The corner-sharing octahedral tilt angles are 43°. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ba10Fe8Pt2Cl2O25
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.928
_cell_length_b   5.928
_cell_length_c   25.219
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   767.600
_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  0.000  0.000  0.878  1.0
  Ba  Ba1  1  0.667  0.333  0.621  1.0
  Ba  Ba2  1  0.667  0.333  0.379  1.0
  Ba  Ba3  1  0.000  0.000  0.122  1.0
  Ba  Ba4  1  0.333  0.667  0.000  1.0
  Ba  Ba5  1  0.333  0.667  0.500  1.0
  Ba  Ba6  1  0.000  0.000  0.290  1.0
  Ba  Ba7  1  0.667  0.333  0.214  1.0
  Ba  Ba8  1  0.667  0.333  0.786  1.0
  Ba  Ba9  1  0.000  0.000  0.710  1.0
  Fe  Fe10  1  0.000  0.000  0.427  1.0
  Fe  Fe11  1  0.667  0.333  0.075  1.0
  Fe  Fe12  1  0.667  0.333  0.925  1.0
  Fe  Fe13  1  0.000  0.000  0.573  1.0
  Fe  Fe14  1  0.333  0.667  0.643  1.0
  Fe  Fe15  1  0.333  0.667  0.859  1.0
  Fe  Fe16  1  0.333  0.667  0.141  1.0
  Fe  Fe17  1  0.333  0.667  0.357  1.0
  Pt  Pt18  1  0.333  0.667  0.249  1.0
  Pt  Pt19  1  0.333  0.667  0.751  1.0
  Cl  Cl20  1  0.000  0.000  0.000  1.0
  Cl  Cl21  1  0.667  0.333  0.500  1.0
  O  O22  1  0.493  0.985  0.906  1.0
  O  O23  1  0.015  0.507  0.906  1.0
  O  O24  1  0.493  0.507  0.906  1.0
  O  O25  1  0.171  0.342  0.601  1.0
  O  O26  1  0.658  0.829  0.601  1.0
  O  O27  1  0.171  0.829  0.601  1.0
  O  O28  1  0.171  0.342  0.399  1.0
  O  O29  1  0.658  0.829  0.399  1.0
  O  O30  1  0.171  0.829  0.399  1.0
  O  O31  1  0.493  0.985  0.094  1.0
  O  O32  1  0.015  0.507  0.094  1.0
  O  O33  1  0.493  0.507  0.094  1.0
  O  O34  1  0.181  0.362  0.803  1.0
  O  O35  1  0.638  0.819  0.803  1.0
  O  O36  1  0.181  0.819  0.803  1.0
  O  O37  1  0.486  0.973  0.700  1.0
  O  O38  1  0.027  0.514  0.700  1.0
  O  O39  1  0.486  0.514  0.700  1.0
  O  O40  1  0.486  0.973  0.300  1.0
  O  O41  1  0.027  0.514  0.300  1.0
  O  O42  1  0.486  0.514  0.300  1.0
  O  O43  1  0.181  0.362  0.197  1.0
  O  O44  1  0.638  0.819  0.197  1.0
  O  O45  1  0.181  0.819  0.197  1.0
  O  O46  1  0.000  0.000  0.500  1.0
[/CIF]
.
The compound described by Ba10Fe8Pt2O25Cl2 crystallizes in the hexagonal P-6m2 space group. There are six inequivalent Ba sites. In the first Ba site, Ba(1) is bonded in a 10-coordinate geometry to three equivalent O(3), six equivalent O(1), and one Cl(1) atom. In the second Ba site, Ba(2) is bonded in a 10-coordinate geometry to three equivalent O(4), six equivalent O(2), and one Cl(2) atom. In the third Ba site, Ba(3) is bonded in a 9-coordinate geometry to six equivalent O(1) and three equivalent Cl(1) atoms. In the fourth Ba site, Ba(4) is bonded to three equivalent O(5), six equivalent O(2), and three equivalent Cl(2) atoms to form BaCl3O9 cuboctahedra that share edges with six equivalent Ba(4)Cl3O9 cuboctahedra, edges with six equivalent Fe(1)O4 tetrahedra, and faces with two equivalent Fe(3)O6 octahedra. In the fifth Ba site, Ba(5) is bonded in a 12-coordinate geometry to three equivalent O(2), three equivalent O(3), and six equivalent O(4) atoms. In the sixth Ba site, Ba(6) is bonded in a 9-coordinate geometry to three equivalent O(4) and six equivalent O(3) atoms. There are four inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(5) and three equivalent O(2) atoms to form FeO4 tetrahedra that share corners with three equivalent Fe(3)O6 octahedra,  a cornercorner with one Fe(1)O4 tetrahedra, and edges with three equivalent Ba(4)Cl3O9 cuboctahedra. The corner-sharing octahedral tilt angles are 11°. In the second Fe site, Fe(2) is bonded in a trigonal non-coplanar geometry to three equivalent O(1) atoms. In the third Fe site, Fe(3) is bonded to three equivalent O(2) and three equivalent O(4) atoms to form FeO6 octahedra that share corners with three equivalent Fe(1)O4 tetrahedra,  a faceface with one Ba(4)Cl3O9 cuboctahedra, and  a faceface with one Pt(1)O6 octahedra. In the fourth Fe site, Fe(4) is bonded to three equivalent O(1) and three equivalent O(3) atoms to form FeO6 octahedra that share  a faceface with one Pt(1)O6 octahedra. Pt(1) is bonded to three equivalent O(3) and three equivalent O(4) atoms to form PtO6 octahedra that share  a faceface with one Fe(3)O6 octahedra and  a faceface with one Fe(4)O6 octahedra. There are five inequivalent O sites. In the first O site, O(3) is bonded to one Ba(1), one Ba(5), two equivalent Ba(6), one Fe(4), and one Pt(1) atom to form distorted OBa4FePt octahedra that share corners with five equivalent O(4)Ba4FePt octahedra, corners with six equivalent O(3)Ba4FePt octahedra,  a cornercorner with one Cl(1)Ba5 trigonal bipyramid, edges with two equivalent O(4)Ba4FePt octahedra, faces with two equivalent O(4)Ba4FePt octahedra, and faces with four equivalent O(3)Ba4FePt octahedra. The corner-sharing octahedral tilt angles range from 0-62°. In the second O site, O(4) is bonded to one Ba(2), one Ba(6), two equivalent Ba(5), one Fe(3), and one Pt(1) atom to form distorted OBa4FePt octahedra that share corners with five equivalent O(3)Ba4FePt octahedra, corners with six equivalent O(4)Ba4FePt octahedra,  a cornercorner with one Cl(2)Ba5 trigonal bipyramid, edges with two equivalent O(3)Ba4FePt octahedra, faces with two equivalent O(3)Ba4FePt octahedra, and faces with four equivalent O(4)Ba4FePt octahedra. The corner-sharing octahedral tilt angles range from 0-61°. In the third O site, O(5) is bonded in a linear geometry to three equivalent Ba(4) and two equivalent Fe(1) atoms. In the fourth O site, O(1) is bonded in a 2-coordinate geometry to one Ba(3), two equivalent Ba(1), one Fe(2), and one Fe(4) atom. In the fifth O site, O(2) is bonded in a distorted linear geometry to one Ba(4), one Ba(5), two equivalent Ba(2), one Fe(1), and one Fe(3) atom. There are two inequivalent Cl sites. In the first Cl site, Cl(1) is bonded to two equivalent Ba(1) and three equivalent Ba(3) atoms to form ClBa5 trigonal bipyramids that share corners with six equivalent O(3)Ba4FePt octahedra and corners with six equivalent Cl(1)Ba5 trigonal bipyramids. The corner-sharing octahedral tilt angles are 44°. In the second Cl site, Cl(2) is bonded to two equivalent Ba(2) and three equivalent Ba(4) atoms to form ClBa5 trigonal bipyramids that share corners with six equivalent O(4)Ba4FePt octahedra and corners with six equivalent Cl(2)Ba5 trigonal bipyramids. The corner-sharing octahedral tilt angles are 43°. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ba10Fe8Pt2Cl2O25
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.928
_cell_length_b   5.928
_cell_length_c   25.219
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   767.600
_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  0.000  0.000  0.878  1.0
  Ba  Ba1  1  0.667  0.333  0.621  1.0
  Ba  Ba2  1  0.667  0.333  0.379  1.0
  Ba  Ba3  1  0.000  0.000  0.122  1.0
  Ba  Ba4  1  0.333  0.667  0.000  1.0
  Ba  Ba5  1  0.333  0.667  0.500  1.0
  Ba  Ba6  1  0.000  0.000  0.290  1.0
  Ba  Ba7  1  0.667  0.333  0.214  1.0
  Ba  Ba8  1  0.667  0.333  0.786  1.0
  Ba  Ba9  1  0.000  0.000  0.710  1.0
  Fe  Fe10  1  0.000  0.000  0.427  1.0
  Fe  Fe11  1  0.667  0.333  0.075  1.0
  Fe  Fe12  1  0.667  0.333  0.925  1.0
  Fe  Fe13  1  0.000  0.000  0.573  1.0
  Fe  Fe14  1  0.333  0.667  0.643  1.0
  Fe  Fe15  1  0.333  0.667  0.859  1.0
  Fe  Fe16  1  0.333  0.667  0.141  1.0
  Fe  Fe17  1  0.333  0.667  0.357  1.0
  Pt  Pt18  1  0.333  0.667  0.249  1.0
  Pt  Pt19  1  0.333  0.667  0.751  1.0
  Cl  Cl20  1  0.000  0.000  0.000  1.0
  Cl  Cl21  1  0.667  0.333  0.500  1.0
  O  O22  1  0.493  0.985  0.906  1.0
  O  O23  1  0.015  0.507  0.906  1.0
  O  O24  1  0.493  0.507  0.906  1.0
  O  O25  1  0.171  0.342  0.601  1.0
  O  O26  1  0.658  0.829  0.601  1.0
  O  O27  1  0.171  0.829  0.601  1.0
  O  O28  1  0.171  0.342  0.399  1.0
  O  O29  1  0.658  0.829  0.399  1.0
  O  O30  1  0.171  0.829  0.399  1.0
  O  O31  1  0.493  0.985  0.094  1.0
  O  O32  1  0.015  0.507  0.094  1.0
  O  O33  1  0.493  0.507  0.094  1.0
  O  O34  1  0.181  0.362  0.803  1.0
  O  O35  1  0.638  0.819  0.803  1.0
  O  O36  1  0.181  0.819  0.803  1.0
  O  O37  1  0.486  0.973  0.700  1.0
  O  O38  1  0.027  0.514  0.700  1.0
  O  O39  1  0.486  0.514  0.700  1.0
  O  O40  1  0.486  0.973  0.300  1.0
  O  O41  1  0.027  0.514  0.300  1.0
  O  O42  1  0.486  0.514  0.300  1.0
  O  O43  1  0.181  0.362  0.197  1.0
  O  O44  1  0.638  0.819  0.197  1.0
  O  O45  1  0.181  0.819  0.197  1.0
  O  O46  1  0.000  0.000  0.500  1.0
[/CIF]
.