The compound described by Sr4CaTb2(RuO6)2 crystallizes in the triclinic P1 space group. There are four inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 6-coordinate geometry to one O(10), one O(2), one O(4), one O(5), one O(7), and one O(9) atom. In the second Sr site, Sr(2) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(3), one O(6), one O(8), and one O(9) atom. In the third Sr site, Sr(3) is bonded in a 7-coordinate geometry to one O(1), one O(11), one O(12), one O(2), one O(3), one O(5), and one O(8) atom. In the fourth Sr site, Sr(4) is bonded in a 8-coordinate geometry to one O(11), one O(12), one O(2), one O(3), one O(4), one O(5), one O(7), and one O(8) atom. Ca(1) is bonded in a 7-coordinate geometry to one O(11), one O(12), one O(3), one O(4), one O(6), one O(7), and one O(8) atom. There are two inequivalent Tb sites. In the first Tb site, Tb(1) is bonded to one O(1), one O(11), one O(5), one O(7), and one O(9) atom to form distorted TbO5 trigonal bipyramids that share corners with two equivalent Ru(2)O6 octahedra and corners with three equivalent Ru(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-42°. In the second Tb site, Tb(2) is bonded to one O(10), one O(12), one O(2), one O(4), and one O(6) atom to form distorted TbO5 trigonal bipyramids that share corners with two equivalent Ru(1)O6 octahedra and corners with three equivalent Ru(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-42°. There are two inequivalent Ru sites. In the first Ru site, Ru(1) is bonded to one O(1), one O(10), one O(12), one O(3), one O(5), and one O(7) atom to form RuO6 octahedra that share corners with two equivalent Tb(2)O5 trigonal bipyramids and corners with three equivalent Tb(1)O5 trigonal bipyramids. In the second Ru site, Ru(2) is bonded to one O(11), one O(2), one O(4), one O(6), one O(8), and one O(9) atom to form RuO6 octahedra that share corners with two equivalent Tb(1)O5 trigonal bipyramids and corners with three equivalent Tb(2)O5 trigonal bipyramids. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Sr(2), one Sr(3), one Tb(1), and one Ru(1) atom. In the second O site, O(2) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(3), one Sr(4), one Tb(2), and one Ru(2) atom. In the third O site, O(3) is bonded in a 5-coordinate geometry to one Sr(2), one Sr(3), one Sr(4), one Ca(1), and one Ru(1) atom. In the fourth O site, O(4) is bonded to one Sr(1), one Sr(4), one Ca(1), one Tb(2), and one Ru(2) atom to form distorted OSr2CaTbRu trigonal bipyramids that share  a cornercorner with one O(7)Sr2CaTbRu trigonal bipyramid, corners with two equivalent O(5)Sr3TbRu trigonal bipyramids, corners with two equivalent O(10)Sr2TbRu trigonal pyramids,  an edgeedge with one O(7)Sr2CaTbRu trigonal bipyramid,  an edgeedge with one O(9)Sr2TbRu trigonal pyramid, and  a faceface with one O(11)Sr2CaTbRu square pyramid. In the fifth O site, O(5) is bonded to one Sr(1), one Sr(3), one Sr(4), one Tb(1), and one Ru(1) atom to form OSr3TbRu trigonal bipyramids that share  a cornercorner with one O(11)Sr2CaTbRu square pyramid, corners with two equivalent O(4)Sr2CaTbRu trigonal bipyramids, corners with two equivalent O(7)Sr2CaTbRu trigonal bipyramids, corners with two equivalent O(9)Sr2TbRu trigonal pyramids,  an edgeedge with one O(11)Sr2CaTbRu square pyramid,  an edgeedge with one O(7)Sr2CaTbRu trigonal bipyramid, and  an edgeedge with one O(10)Sr2TbRu trigonal pyramid. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Sr(2), one Ca(1), one Tb(2), and one Ru(2) atom. In the seventh O site, O(7) is bonded to one Sr(1), one Sr(4), one Ca(1), one Tb(1), and one Ru(1) atom to form distorted OSr2CaTbRu trigonal bipyramids that share  a cornercorner with one O(4)Sr2CaTbRu trigonal bipyramid, corners with two equivalent O(5)Sr3TbRu trigonal bipyramids, corners with two equivalent O(10)Sr2TbRu trigonal pyramids,  an edgeedge with one O(4)Sr2CaTbRu trigonal bipyramid,  an edgeedge with one O(5)Sr3TbRu trigonal bipyramid,  an edgeedge with one O(9)Sr2TbRu trigonal pyramid, and  a faceface with one O(11)Sr2CaTbRu square pyramid. In the eighth O site, O(8) is bonded in a 5-coordinate geometry to one Sr(2), one Sr(3), one Sr(4), one Ca(1), and one Ru(2) atom. In the ninth O site, O(9) is bonded to one Sr(1), one Sr(2), one Tb(1), and one Ru(2) atom to form distorted OSr2TbRu trigonal pyramids that share corners with two equivalent O(11)Sr2CaTbRu square pyramids, corners with two equivalent O(5)Sr3TbRu trigonal bipyramids,  an edgeedge with one O(4)Sr2CaTbRu trigonal bipyramid,  an edgeedge with one O(7)Sr2CaTbRu trigonal bipyramid, and  an edgeedge with one O(10)Sr2TbRu trigonal pyramid. In the tenth O site, O(10) is bonded to one Sr(1), one Sr(2), one Tb(2), and one Ru(1) atom to form distorted OSr2TbRu trigonal pyramids that share corners with two equivalent O(4)Sr2CaTbRu trigonal bipyramids, corners with two equivalent O(7)Sr2CaTbRu trigonal bipyramids,  an edgeedge with one O(5)Sr3TbRu trigonal bipyramid, and  an edgeedge with one O(9)Sr2TbRu trigonal pyramid. In the eleventh O site, O(11) is bonded to one Sr(3), one Sr(4), one Ca(1), one Tb(1), and one Ru(2) atom to form distorted OSr2CaTbRu square pyramids that share  a cornercorner with one O(5)Sr3TbRu trigonal bipyramid, corners with two equivalent O(9)Sr2TbRu trigonal pyramids,  an edgeedge with one O(5)Sr3TbRu trigonal bipyramid,  a faceface with one O(4)Sr2CaTbRu trigonal bipyramid, and  a faceface with one O(7)Sr2CaTbRu trigonal bipyramid. In the twelfth O site, O(12) is bonded in a 5-coordinate geometry to one Sr(3), one Sr(4), one Ca(1), one Tb(2), and one Ru(1) atom. is represented by the CIF card [CIF]
data_Sr4CaTb2(RuO6)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.270
_cell_length_b   6.123
_cell_length_c   8.123
_cell_angle_alpha   87.523
_cell_angle_beta   92.564
_cell_angle_gamma   94.205
_symmetry_Int_Tables_number   1
_cell_volume   310.472
_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
  Sr  Sr0  1  0.014  0.532  0.756  1.0
  Sr  Sr1  1  0.440  0.964  0.740  1.0
  Sr  Sr2  1  0.614  0.849  0.204  1.0
  Sr  Sr3  1  0.072  0.589  0.248  1.0
  Ca  Ca4  1  0.305  0.139  0.299  1.0
  Tb  Tb5  1  0.533  0.426  0.982  1.0
  Tb  Tb6  1  0.910  0.055  0.520  1.0
  Ru  Ru7  1  0.003  0.003  0.997  1.0
  Ru  Ru8  1  0.477  0.522  0.504  1.0
  O  O9  1  0.719  0.149  0.951  1.0
  O  O10  1  0.757  0.708  0.502  1.0
  O  O11  1  0.270  0.858  0.054  1.0
  O  O12  1  0.177  0.335  0.498  1.0
  O  O13  1  0.817  0.687  0.001  1.0
  O  O14  1  0.635  0.241  0.547  1.0
  O  O15  1  0.183  0.292  0.007  1.0
  O  O16  1  0.327  0.804  0.444  1.0
  O  O17  1  0.428  0.562  0.742  1.0
  O  O18  1  0.049  0.956  0.759  1.0
  O  O19  1  0.496  0.467  0.254  1.0
  O  O20  1  0.961  0.030  0.250  1.0
[/CIF]
.
The compound described by Sr4CaTb2(RuO6)2 crystallizes in the triclinic P1 space group. There are four inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 6-coordinate geometry to one O(10), one O(2), one O(4), one O(5), one O(7), and one O(9) atom. In the second Sr site, Sr(2) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(3), one O(6), one O(8), and one O(9) atom. In the third Sr site, Sr(3) is bonded in a 7-coordinate geometry to one O(1), one O(11), one O(12), one O(2), one O(3), one O(5), and one O(8) atom. In the fourth Sr site, Sr(4) is bonded in a 8-coordinate geometry to one O(11), one O(12), one O(2), one O(3), one O(4), one O(5), one O(7), and one O(8) atom. Ca(1) is bonded in a 7-coordinate geometry to one O(11), one O(12), one O(3), one O(4), one O(6), one O(7), and one O(8) atom. There are two inequivalent Tb sites. In the first Tb site, Tb(1) is bonded to one O(1), one O(11), one O(5), one O(7), and one O(9) atom to form distorted TbO5 trigonal bipyramids that share corners with two equivalent Ru(2)O6 octahedra and corners with three equivalent Ru(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-42°. In the second Tb site, Tb(2) is bonded to one O(10), one O(12), one O(2), one O(4), and one O(6) atom to form distorted TbO5 trigonal bipyramids that share corners with two equivalent Ru(1)O6 octahedra and corners with three equivalent Ru(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-42°. There are two inequivalent Ru sites. In the first Ru site, Ru(1) is bonded to one O(1), one O(10), one O(12), one O(3), one O(5), and one O(7) atom to form RuO6 octahedra that share corners with two equivalent Tb(2)O5 trigonal bipyramids and corners with three equivalent Tb(1)O5 trigonal bipyramids. In the second Ru site, Ru(2) is bonded to one O(11), one O(2), one O(4), one O(6), one O(8), and one O(9) atom to form RuO6 octahedra that share corners with two equivalent Tb(1)O5 trigonal bipyramids and corners with three equivalent Tb(2)O5 trigonal bipyramids. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Sr(2), one Sr(3), one Tb(1), and one Ru(1) atom. In the second O site, O(2) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(3), one Sr(4), one Tb(2), and one Ru(2) atom. In the third O site, O(3) is bonded in a 5-coordinate geometry to one Sr(2), one Sr(3), one Sr(4), one Ca(1), and one Ru(1) atom. In the fourth O site, O(4) is bonded to one Sr(1), one Sr(4), one Ca(1), one Tb(2), and one Ru(2) atom to form distorted OSr2CaTbRu trigonal bipyramids that share  a cornercorner with one O(7)Sr2CaTbRu trigonal bipyramid, corners with two equivalent O(5)Sr3TbRu trigonal bipyramids, corners with two equivalent O(10)Sr2TbRu trigonal pyramids,  an edgeedge with one O(7)Sr2CaTbRu trigonal bipyramid,  an edgeedge with one O(9)Sr2TbRu trigonal pyramid, and  a faceface with one O(11)Sr2CaTbRu square pyramid. In the fifth O site, O(5) is bonded to one Sr(1), one Sr(3), one Sr(4), one Tb(1), and one Ru(1) atom to form OSr3TbRu trigonal bipyramids that share  a cornercorner with one O(11)Sr2CaTbRu square pyramid, corners with two equivalent O(4)Sr2CaTbRu trigonal bipyramids, corners with two equivalent O(7)Sr2CaTbRu trigonal bipyramids, corners with two equivalent O(9)Sr2TbRu trigonal pyramids,  an edgeedge with one O(11)Sr2CaTbRu square pyramid,  an edgeedge with one O(7)Sr2CaTbRu trigonal bipyramid, and  an edgeedge with one O(10)Sr2TbRu trigonal pyramid. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Sr(2), one Ca(1), one Tb(2), and one Ru(2) atom. In the seventh O site, O(7) is bonded to one Sr(1), one Sr(4), one Ca(1), one Tb(1), and one Ru(1) atom to form distorted OSr2CaTbRu trigonal bipyramids that share  a cornercorner with one O(4)Sr2CaTbRu trigonal bipyramid, corners with two equivalent O(5)Sr3TbRu trigonal bipyramids, corners with two equivalent O(10)Sr2TbRu trigonal pyramids,  an edgeedge with one O(4)Sr2CaTbRu trigonal bipyramid,  an edgeedge with one O(5)Sr3TbRu trigonal bipyramid,  an edgeedge with one O(9)Sr2TbRu trigonal pyramid, and  a faceface with one O(11)Sr2CaTbRu square pyramid. In the eighth O site, O(8) is bonded in a 5-coordinate geometry to one Sr(2), one Sr(3), one Sr(4), one Ca(1), and one Ru(2) atom. In the ninth O site, O(9) is bonded to one Sr(1), one Sr(2), one Tb(1), and one Ru(2) atom to form distorted OSr2TbRu trigonal pyramids that share corners with two equivalent O(11)Sr2CaTbRu square pyramids, corners with two equivalent O(5)Sr3TbRu trigonal bipyramids,  an edgeedge with one O(4)Sr2CaTbRu trigonal bipyramid,  an edgeedge with one O(7)Sr2CaTbRu trigonal bipyramid, and  an edgeedge with one O(10)Sr2TbRu trigonal pyramid. In the tenth O site, O(10) is bonded to one Sr(1), one Sr(2), one Tb(2), and one Ru(1) atom to form distorted OSr2TbRu trigonal pyramids that share corners with two equivalent O(4)Sr2CaTbRu trigonal bipyramids, corners with two equivalent O(7)Sr2CaTbRu trigonal bipyramids,  an edgeedge with one O(5)Sr3TbRu trigonal bipyramid, and  an edgeedge with one O(9)Sr2TbRu trigonal pyramid. In the eleventh O site, O(11) is bonded to one Sr(3), one Sr(4), one Ca(1), one Tb(1), and one Ru(2) atom to form distorted OSr2CaTbRu square pyramids that share  a cornercorner with one O(5)Sr3TbRu trigonal bipyramid, corners with two equivalent O(9)Sr2TbRu trigonal pyramids,  an edgeedge with one O(5)Sr3TbRu trigonal bipyramid,  a faceface with one O(4)Sr2CaTbRu trigonal bipyramid, and  a faceface with one O(7)Sr2CaTbRu trigonal bipyramid. In the twelfth O site, O(12) is bonded in a 5-coordinate geometry to one Sr(3), one Sr(4), one Ca(1), one Tb(2), and one Ru(1) atom. is represented by the CIF card [CIF]
data_Sr4CaTb2(RuO6)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.270
_cell_length_b   6.123
_cell_length_c   8.123
_cell_angle_alpha   87.523
_cell_angle_beta   92.564
_cell_angle_gamma   94.205
_symmetry_Int_Tables_number   1
_cell_volume   310.472
_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
  Sr  Sr0  1  0.014  0.532  0.756  1.0
  Sr  Sr1  1  0.440  0.964  0.740  1.0
  Sr  Sr2  1  0.614  0.849  0.204  1.0
  Sr  Sr3  1  0.072  0.589  0.248  1.0
  Ca  Ca4  1  0.305  0.139  0.299  1.0
  Tb  Tb5  1  0.533  0.426  0.982  1.0
  Tb  Tb6  1  0.910  0.055  0.520  1.0
  Ru  Ru7  1  0.003  0.003  0.997  1.0
  Ru  Ru8  1  0.477  0.522  0.504  1.0
  O  O9  1  0.719  0.149  0.951  1.0
  O  O10  1  0.757  0.708  0.502  1.0
  O  O11  1  0.270  0.858  0.054  1.0
  O  O12  1  0.177  0.335  0.498  1.0
  O  O13  1  0.817  0.687  0.001  1.0
  O  O14  1  0.635  0.241  0.547  1.0
  O  O15  1  0.183  0.292  0.007  1.0
  O  O16  1  0.327  0.804  0.444  1.0
  O  O17  1  0.428  0.562  0.742  1.0
  O  O18  1  0.049  0.956  0.759  1.0
  O  O19  1  0.496  0.467  0.254  1.0
  O  O20  1  0.961  0.030  0.250  1.0
[/CIF]
.