The crystal structure described by Ba3SrCa2(WO6)2 crystallizes in the triclinic P1 space group. There are three inequivalent Ba sites. In the first Ba site, Ba(1) is bonded to one O(10), one O(3), one O(4), one O(5), one O(6), one O(9), two equivalent O(1), two equivalent O(11), and two equivalent O(7) atoms to form distorted BaO12 cuboctahedra that share corners with six equivalent Ba(1)O12 cuboctahedra, corners with six equivalent Ba(2)O12 cuboctahedra, faces with three equivalent Ba(3)O12 cuboctahedra,  a faceface with one Ca(2)O6 octahedra,  a faceface with one W(1)O6 octahedra, faces with three equivalent Ca(1)O6 octahedra, and faces with three equivalent W(2)O6 octahedra. In the second Ba site, Ba(2) is bonded to one O(10), one O(3), one O(4), one O(5), one O(6), one O(9), two equivalent O(12), two equivalent O(2), and two equivalent O(8) atoms to form distorted BaO12 cuboctahedra that share corners with six equivalent Ba(1)O12 cuboctahedra, corners with six equivalent Ba(2)O12 cuboctahedra, faces with three equivalent Ba(3)O12 cuboctahedra,  a faceface with one Ca(1)O6 octahedra,  a faceface with one W(2)O6 octahedra, faces with three equivalent Ca(2)O6 octahedra, and faces with three equivalent W(1)O6 octahedra. In the third Ba site, Ba(3) is bonded to one O(1), one O(11), one O(12), one O(2), one O(7), one O(8), two equivalent O(10), two equivalent O(3), and two equivalent O(6) atoms to form distorted BaO12 cuboctahedra that share corners with six equivalent Ba(3)O12 cuboctahedra, faces with three equivalent Ba(1)O12 cuboctahedra, faces with three equivalent Ba(2)O12 cuboctahedra,  a faceface with one Ca(2)O6 octahedra,  a faceface with one W(2)O6 octahedra, faces with three equivalent Ca(1)O6 octahedra, and faces with three equivalent W(1)O6 octahedra. Sr(1) is bonded in a 12-coordinate geometry to one O(1), one O(11), one O(12), one O(2), one O(7), one O(8), two equivalent O(4), two equivalent O(5), and two equivalent O(9) atoms. There are two inequivalent Ca sites. In the first Ca site, Ca(1) is bonded to one O(1), one O(10), one O(11), one O(3), one O(6), and one O(7) atom to form CaO6 octahedra that share corners with three equivalent W(1)O6 octahedra, corners with three equivalent W(2)O6 octahedra,  a faceface with one Ba(2)O12 cuboctahedra, faces with three equivalent Ba(1)O12 cuboctahedra, and faces with three equivalent Ba(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-18°. In the second Ca site, Ca(2) is bonded to one O(12), one O(2), one O(4), one O(5), one O(8), and one O(9) atom to form CaO6 octahedra that share corners with three equivalent W(1)O6 octahedra, corners with three equivalent W(2)O6 octahedra,  a faceface with one Ba(1)O12 cuboctahedra,  a faceface with one Ba(3)O12 cuboctahedra, and faces with three equivalent Ba(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-18°. There are two inequivalent W sites. In the first W site, W(1) is bonded to one O(10), one O(12), one O(2), one O(3), one O(6), and one O(8) atom to form WO6 octahedra that share corners with three equivalent Ca(1)O6 octahedra, corners with three equivalent Ca(2)O6 octahedra,  a faceface with one Ba(1)O12 cuboctahedra, faces with three equivalent Ba(2)O12 cuboctahedra, and faces with three equivalent Ba(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-18°. In the second W site, W(2) is bonded to one O(1), one O(11), one O(4), one O(5), one O(7), and one O(9) atom to form WO6 octahedra that share corners with three equivalent Ca(1)O6 octahedra, corners with three equivalent Ca(2)O6 octahedra,  a faceface with one Ba(2)O12 cuboctahedra,  a faceface with one Ba(3)O12 cuboctahedra, and faces with three equivalent Ba(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-18°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted linear geometry to one Ba(3), two equivalent Ba(1), one Sr(1), one Ca(1), and one W(2) atom. In the second O site, O(2) is bonded in a distorted linear geometry to one Ba(3), two equivalent Ba(2), one Sr(1), one Ca(2), and one W(1) atom. In the third O site, O(3) is bonded to one Ba(1), one Ba(2), two equivalent Ba(3), one Ca(1), and one W(1) atom to form distorted corner-sharing OBa4CaW octahedra. The corner-sharing octahedral tilt angles are 7°. In the fourth O site, O(4) is bonded in a distorted linear geometry to one Ba(1), one Ba(2), two equivalent Sr(1), one Ca(2), and one W(2) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Ba(1), one Ba(2), two equivalent Sr(1), one Ca(2), and one W(2) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Ba(1), one Ba(2), two equivalent Ba(3), one Ca(1), and one W(1) atom. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Ba(3), two equivalent Ba(1), one Sr(1), one Ca(1), and one W(2) atom. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Ba(3), two equivalent Ba(2), one Sr(1), one Ca(2), and one W(1) atom. In the ninth O site, O(9) is bonded in a 4-coordinate geometry to one Ba(1), one Ba(2), two equivalent Sr(1), one Ca(2), and one W(2) atom. In the tenth O site, O(10) is bonded in a 4-coordinate geometry to one Ba(1), one Ba(2), two equivalent Ba(3), one Ca(1), and one W(1) atom. In the eleventh O site, O(11) is bonded in a 4-coordinate geometry to one Ba(3), two equivalent Ba(1), one Sr(1), one Ca(1), and one W(2) atom. In the twelfth O site, O(12) is bonded in a 4-coordinate geometry to one Ba(3), two equivalent Ba(2), one Sr(1), one Ca(2), and one W(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ba3SrCa2(WO6)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.984
_cell_length_b   6.012
_cell_length_c   10.379
_cell_angle_alpha   73.655
_cell_angle_beta   73.250
_cell_angle_gamma   60.156
_symmetry_Int_Tables_number   1
_cell_volume   305.858
_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  0.625  0.625  0.126  1.0
  Ba  Ba1  1  0.125  0.125  0.624  1.0
  Ba  Ba2  1  0.375  0.375  0.875  1.0
  Sr  Sr3  1  0.875  0.875  0.375  1.0
  Ca  Ca4  1  1.000  1.000  0.001  1.0
  Ca  Ca5  1  0.500  0.500  0.499  1.0
  W  W6  1  0.751  0.750  0.749  1.0
  W  W7  1  0.249  0.250  0.251  1.0
  O  O8  1  0.134  0.596  0.137  1.0
  O  O9  1  0.636  0.095  0.633  1.0
  O  O10  1  0.865  0.405  0.864  1.0
  O  O11  1  0.366  0.904  0.366  1.0
  O  O12  1  0.304  0.390  0.383  1.0
  O  O13  1  0.811  0.883  0.882  1.0
  O  O14  1  0.189  0.118  0.118  1.0
  O  O15  1  0.692  0.621  0.614  1.0
  O  O16  1  0.888  0.340  0.347  1.0
  O  O17  1  0.389  0.846  0.846  1.0
  O  O18  1  0.615  0.149  0.157  1.0
  O  O19  1  0.112  0.653  0.653  1.0
[/CIF]
.
The crystal structure described by Ba3SrCa2(WO6)2 crystallizes in the triclinic P1 space group. There are three inequivalent Ba sites. In the first Ba site, Ba(1) is bonded to one O(10), one O(3), one O(4), one O(5), one O(6), one O(9), two equivalent O(1), two equivalent O(11), and two equivalent O(7) atoms to form distorted BaO12 cuboctahedra that share corners with six equivalent Ba(1)O12 cuboctahedra, corners with six equivalent Ba(2)O12 cuboctahedra, faces with three equivalent Ba(3)O12 cuboctahedra,  a faceface with one Ca(2)O6 octahedra,  a faceface with one W(1)O6 octahedra, faces with three equivalent Ca(1)O6 octahedra, and faces with three equivalent W(2)O6 octahedra. In the second Ba site, Ba(2) is bonded to one O(10), one O(3), one O(4), one O(5), one O(6), one O(9), two equivalent O(12), two equivalent O(2), and two equivalent O(8) atoms to form distorted BaO12 cuboctahedra that share corners with six equivalent Ba(1)O12 cuboctahedra, corners with six equivalent Ba(2)O12 cuboctahedra, faces with three equivalent Ba(3)O12 cuboctahedra,  a faceface with one Ca(1)O6 octahedra,  a faceface with one W(2)O6 octahedra, faces with three equivalent Ca(2)O6 octahedra, and faces with three equivalent W(1)O6 octahedra. In the third Ba site, Ba(3) is bonded to one O(1), one O(11), one O(12), one O(2), one O(7), one O(8), two equivalent O(10), two equivalent O(3), and two equivalent O(6) atoms to form distorted BaO12 cuboctahedra that share corners with six equivalent Ba(3)O12 cuboctahedra, faces with three equivalent Ba(1)O12 cuboctahedra, faces with three equivalent Ba(2)O12 cuboctahedra,  a faceface with one Ca(2)O6 octahedra,  a faceface with one W(2)O6 octahedra, faces with three equivalent Ca(1)O6 octahedra, and faces with three equivalent W(1)O6 octahedra. Sr(1) is bonded in a 12-coordinate geometry to one O(1), one O(11), one O(12), one O(2), one O(7), one O(8), two equivalent O(4), two equivalent O(5), and two equivalent O(9) atoms. There are two inequivalent Ca sites. In the first Ca site, Ca(1) is bonded to one O(1), one O(10), one O(11), one O(3), one O(6), and one O(7) atom to form CaO6 octahedra that share corners with three equivalent W(1)O6 octahedra, corners with three equivalent W(2)O6 octahedra,  a faceface with one Ba(2)O12 cuboctahedra, faces with three equivalent Ba(1)O12 cuboctahedra, and faces with three equivalent Ba(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-18°. In the second Ca site, Ca(2) is bonded to one O(12), one O(2), one O(4), one O(5), one O(8), and one O(9) atom to form CaO6 octahedra that share corners with three equivalent W(1)O6 octahedra, corners with three equivalent W(2)O6 octahedra,  a faceface with one Ba(1)O12 cuboctahedra,  a faceface with one Ba(3)O12 cuboctahedra, and faces with three equivalent Ba(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-18°. There are two inequivalent W sites. In the first W site, W(1) is bonded to one O(10), one O(12), one O(2), one O(3), one O(6), and one O(8) atom to form WO6 octahedra that share corners with three equivalent Ca(1)O6 octahedra, corners with three equivalent Ca(2)O6 octahedra,  a faceface with one Ba(1)O12 cuboctahedra, faces with three equivalent Ba(2)O12 cuboctahedra, and faces with three equivalent Ba(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-18°. In the second W site, W(2) is bonded to one O(1), one O(11), one O(4), one O(5), one O(7), and one O(9) atom to form WO6 octahedra that share corners with three equivalent Ca(1)O6 octahedra, corners with three equivalent Ca(2)O6 octahedra,  a faceface with one Ba(2)O12 cuboctahedra,  a faceface with one Ba(3)O12 cuboctahedra, and faces with three equivalent Ba(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-18°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted linear geometry to one Ba(3), two equivalent Ba(1), one Sr(1), one Ca(1), and one W(2) atom. In the second O site, O(2) is bonded in a distorted linear geometry to one Ba(3), two equivalent Ba(2), one Sr(1), one Ca(2), and one W(1) atom. In the third O site, O(3) is bonded to one Ba(1), one Ba(2), two equivalent Ba(3), one Ca(1), and one W(1) atom to form distorted corner-sharing OBa4CaW octahedra. The corner-sharing octahedral tilt angles are 7°. In the fourth O site, O(4) is bonded in a distorted linear geometry to one Ba(1), one Ba(2), two equivalent Sr(1), one Ca(2), and one W(2) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Ba(1), one Ba(2), two equivalent Sr(1), one Ca(2), and one W(2) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Ba(1), one Ba(2), two equivalent Ba(3), one Ca(1), and one W(1) atom. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Ba(3), two equivalent Ba(1), one Sr(1), one Ca(1), and one W(2) atom. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Ba(3), two equivalent Ba(2), one Sr(1), one Ca(2), and one W(1) atom. In the ninth O site, O(9) is bonded in a 4-coordinate geometry to one Ba(1), one Ba(2), two equivalent Sr(1), one Ca(2), and one W(2) atom. In the tenth O site, O(10) is bonded in a 4-coordinate geometry to one Ba(1), one Ba(2), two equivalent Ba(3), one Ca(1), and one W(1) atom. In the eleventh O site, O(11) is bonded in a 4-coordinate geometry to one Ba(3), two equivalent Ba(1), one Sr(1), one Ca(1), and one W(2) atom. In the twelfth O site, O(12) is bonded in a 4-coordinate geometry to one Ba(3), two equivalent Ba(2), one Sr(1), one Ca(2), and one W(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ba3SrCa2(WO6)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.984
_cell_length_b   6.012
_cell_length_c   10.379
_cell_angle_alpha   73.655
_cell_angle_beta   73.250
_cell_angle_gamma   60.156
_symmetry_Int_Tables_number   1
_cell_volume   305.858
_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  0.625  0.625  0.126  1.0
  Ba  Ba1  1  0.125  0.125  0.624  1.0
  Ba  Ba2  1  0.375  0.375  0.875  1.0
  Sr  Sr3  1  0.875  0.875  0.375  1.0
  Ca  Ca4  1  1.000  1.000  0.001  1.0
  Ca  Ca5  1  0.500  0.500  0.499  1.0
  W  W6  1  0.751  0.750  0.749  1.0
  W  W7  1  0.249  0.250  0.251  1.0
  O  O8  1  0.134  0.596  0.137  1.0
  O  O9  1  0.636  0.095  0.633  1.0
  O  O10  1  0.865  0.405  0.864  1.0
  O  O11  1  0.366  0.904  0.366  1.0
  O  O12  1  0.304  0.390  0.383  1.0
  O  O13  1  0.811  0.883  0.882  1.0
  O  O14  1  0.189  0.118  0.118  1.0
  O  O15  1  0.692  0.621  0.614  1.0
  O  O16  1  0.888  0.340  0.347  1.0
  O  O17  1  0.389  0.846  0.846  1.0
  O  O18  1  0.615  0.149  0.157  1.0
  O  O19  1  0.112  0.653  0.653  1.0
[/CIF]
.