The structure described by K3TmCl6 crystallizes in the monoclinic P2_1/c space group. There are three inequivalent K sites. In the first K site, K(1) is bonded in a 8-coordinate geometry to one Cl(1), one Cl(3), one Cl(5), one Cl(6), two equivalent Cl(2), and two equivalent Cl(4) atoms. In the second K site, K(2) is bonded in a 7-coordinate geometry to one Cl(2), one Cl(3), one Cl(5), two equivalent Cl(1), and two equivalent Cl(6) atoms. In the third K site, K(3) is bonded in a 8-coordinate geometry to one Cl(1), one Cl(2), one Cl(5), one Cl(6), two equivalent Cl(3), and two equivalent Cl(4) atoms. There are two inequivalent Tm sites. In the first Tm site, Tm(1) is bonded in an octahedral geometry to two equivalent Cl(2), two equivalent Cl(3), and two equivalent Cl(4) atoms. In the second Tm site, Tm(2) is bonded in an octahedral geometry to two equivalent Cl(1), two equivalent Cl(5), and two equivalent Cl(6) atoms. There are six inequivalent Cl sites. In the first Cl site, Cl(5) is bonded to one K(1), one K(2), one K(3), and one Tm(2) atom to form distorted ClK3Tm trigonal pyramids that share corners with two equivalent Cl(3)K4Tm trigonal bipyramids, corners with two equivalent Cl(4)K4Tm trigonal bipyramids,  a cornercorner with one Cl(5)K3Tm trigonal pyramid,  an edgeedge with one Cl(3)K4Tm trigonal bipyramid, and  an edgeedge with one Cl(4)K4Tm trigonal bipyramid. In the second Cl site, Cl(6) is bonded in a 5-coordinate geometry to one K(1), one K(3), two equivalent K(2), and one Tm(2) atom. In the third Cl site, Cl(1) is bonded in a 5-coordinate geometry to one K(1), one K(3), two equivalent K(2), and one Tm(2) atom. In the fourth Cl site, Cl(2) is bonded in a 5-coordinate geometry to one K(2), one K(3), two equivalent K(1), and one Tm(1) atom. In the fifth Cl site, Cl(3) is bonded to one K(1), one K(2), two equivalent K(3), and one Tm(1) atom to form distorted ClK4Tm trigonal bipyramids that share corners with two equivalent Cl(4)K4Tm trigonal bipyramids, corners with three equivalent Cl(3)K4Tm trigonal bipyramids, corners with two equivalent Cl(5)K3Tm trigonal pyramids, edges with three equivalent Cl(4)K4Tm trigonal bipyramids, and  an edgeedge with one Cl(5)K3Tm trigonal pyramid. In the sixth Cl site, Cl(4) is bonded to two equivalent K(1), two equivalent K(3), and one Tm(1) atom to form distorted ClK4Tm trigonal bipyramids that share  a cornercorner with one Cl(4)K4Tm trigonal bipyramid, corners with two equivalent Cl(3)K4Tm trigonal bipyramids, corners with two equivalent Cl(5)K3Tm trigonal pyramids, edges with two equivalent Cl(4)K4Tm trigonal bipyramids, edges with three equivalent Cl(3)K4Tm trigonal bipyramids, and  an edgeedge with one Cl(5)K3Tm trigonal pyramid. is represented by the Crystallographic Information File (CIF) [CIF]
data_K3TmCl6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.717
_cell_length_b   12.396
_cell_length_c   12.953
_cell_angle_alpha   71.141
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   1172.595
_cell_formula_units_Z   4
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
  K  K0  1  0.436  0.735  0.315  1.0
  K  K1  1  0.564  0.265  0.685  1.0
  K  K2  1  0.936  0.765  0.685  1.0
  K  K3  1  0.064  0.235  0.315  1.0
  K  K4  1  0.963  0.641  0.099  1.0
  K  K5  1  0.037  0.359  0.901  1.0
  K  K6  1  0.463  0.859  0.901  1.0
  K  K7  1  0.537  0.141  0.099  1.0
  K  K8  1  0.930  0.887  0.320  1.0
  K  K9  1  0.070  0.113  0.680  1.0
  K  K10  1  0.430  0.613  0.680  1.0
  K  K11  1  0.570  0.387  0.320  1.0
  Tm  Tm12  1  0.000  0.500  0.500  1.0
  Tm  Tm13  1  0.500  0.000  0.500  1.0
  Tm  Tm14  1  0.000  0.000  0.000  1.0
  Tm  Tm15  1  0.500  0.500  0.000  1.0
  Cl  Cl16  1  0.497  0.632  0.117  1.0
  Cl  Cl17  1  0.503  0.368  0.883  1.0
  Cl  Cl18  1  0.997  0.868  0.883  1.0
  Cl  Cl19  1  0.003  0.132  0.117  1.0
  Cl  Cl20  1  0.290  0.995  0.346  1.0
  Cl  Cl21  1  0.710  0.005  0.654  1.0
  Cl  Cl22  1  0.790  0.505  0.654  1.0
  Cl  Cl23  1  0.210  0.495  0.346  1.0
  Cl  Cl24  1  0.788  0.608  0.345  1.0
  Cl  Cl25  1  0.212  0.392  0.655  1.0
  Cl  Cl26  1  0.288  0.892  0.655  1.0
  Cl  Cl27  1  0.712  0.108  0.345  1.0
  Cl  Cl28  1  0.639  0.807  0.500  1.0
  Cl  Cl29  1  0.361  0.193  0.500  1.0
  Cl  Cl30  1  0.139  0.693  0.500  1.0
  Cl  Cl31  1  0.861  0.307  0.500  1.0
  Cl  Cl32  1  0.173  0.843  0.142  1.0
  Cl  Cl33  1  0.827  0.157  0.858  1.0
  Cl  Cl34  1  0.673  0.657  0.858  1.0
  Cl  Cl35  1  0.327  0.343  0.142  1.0
  Cl  Cl36  1  0.713  0.908  0.101  1.0
  Cl  Cl37  1  0.287  0.092  0.899  1.0
  Cl  Cl38  1  0.213  0.592  0.899  1.0
  Cl  Cl39  1  0.787  0.408  0.101  1.0
[/CIF]
.
The structure described by K3TmCl6 crystallizes in the monoclinic P2_1/c space group. There are three inequivalent K sites. In the first K site, K(1) is bonded in a 8-coordinate geometry to one Cl(1), one Cl(3), one Cl(5), one Cl(6), two equivalent Cl(2), and two equivalent Cl(4) atoms. In the second K site, K(2) is bonded in a 7-coordinate geometry to one Cl(2), one Cl(3), one Cl(5), two equivalent Cl(1), and two equivalent Cl(6) atoms. In the third K site, K(3) is bonded in a 8-coordinate geometry to one Cl(1), one Cl(2), one Cl(5), one Cl(6), two equivalent Cl(3), and two equivalent Cl(4) atoms. There are two inequivalent Tm sites. In the first Tm site, Tm(1) is bonded in an octahedral geometry to two equivalent Cl(2), two equivalent Cl(3), and two equivalent Cl(4) atoms. In the second Tm site, Tm(2) is bonded in an octahedral geometry to two equivalent Cl(1), two equivalent Cl(5), and two equivalent Cl(6) atoms. There are six inequivalent Cl sites. In the first Cl site, Cl(5) is bonded to one K(1), one K(2), one K(3), and one Tm(2) atom to form distorted ClK3Tm trigonal pyramids that share corners with two equivalent Cl(3)K4Tm trigonal bipyramids, corners with two equivalent Cl(4)K4Tm trigonal bipyramids,  a cornercorner with one Cl(5)K3Tm trigonal pyramid,  an edgeedge with one Cl(3)K4Tm trigonal bipyramid, and  an edgeedge with one Cl(4)K4Tm trigonal bipyramid. In the second Cl site, Cl(6) is bonded in a 5-coordinate geometry to one K(1), one K(3), two equivalent K(2), and one Tm(2) atom. In the third Cl site, Cl(1) is bonded in a 5-coordinate geometry to one K(1), one K(3), two equivalent K(2), and one Tm(2) atom. In the fourth Cl site, Cl(2) is bonded in a 5-coordinate geometry to one K(2), one K(3), two equivalent K(1), and one Tm(1) atom. In the fifth Cl site, Cl(3) is bonded to one K(1), one K(2), two equivalent K(3), and one Tm(1) atom to form distorted ClK4Tm trigonal bipyramids that share corners with two equivalent Cl(4)K4Tm trigonal bipyramids, corners with three equivalent Cl(3)K4Tm trigonal bipyramids, corners with two equivalent Cl(5)K3Tm trigonal pyramids, edges with three equivalent Cl(4)K4Tm trigonal bipyramids, and  an edgeedge with one Cl(5)K3Tm trigonal pyramid. In the sixth Cl site, Cl(4) is bonded to two equivalent K(1), two equivalent K(3), and one Tm(1) atom to form distorted ClK4Tm trigonal bipyramids that share  a cornercorner with one Cl(4)K4Tm trigonal bipyramid, corners with two equivalent Cl(3)K4Tm trigonal bipyramids, corners with two equivalent Cl(5)K3Tm trigonal pyramids, edges with two equivalent Cl(4)K4Tm trigonal bipyramids, edges with three equivalent Cl(3)K4Tm trigonal bipyramids, and  an edgeedge with one Cl(5)K3Tm trigonal pyramid. is represented by the Crystallographic Information File (CIF) [CIF]
data_K3TmCl6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.717
_cell_length_b   12.396
_cell_length_c   12.953
_cell_angle_alpha   71.141
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   1172.595
_cell_formula_units_Z   4
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
  K  K0  1  0.436  0.735  0.315  1.0
  K  K1  1  0.564  0.265  0.685  1.0
  K  K2  1  0.936  0.765  0.685  1.0
  K  K3  1  0.064  0.235  0.315  1.0
  K  K4  1  0.963  0.641  0.099  1.0
  K  K5  1  0.037  0.359  0.901  1.0
  K  K6  1  0.463  0.859  0.901  1.0
  K  K7  1  0.537  0.141  0.099  1.0
  K  K8  1  0.930  0.887  0.320  1.0
  K  K9  1  0.070  0.113  0.680  1.0
  K  K10  1  0.430  0.613  0.680  1.0
  K  K11  1  0.570  0.387  0.320  1.0
  Tm  Tm12  1  0.000  0.500  0.500  1.0
  Tm  Tm13  1  0.500  0.000  0.500  1.0
  Tm  Tm14  1  0.000  0.000  0.000  1.0
  Tm  Tm15  1  0.500  0.500  0.000  1.0
  Cl  Cl16  1  0.497  0.632  0.117  1.0
  Cl  Cl17  1  0.503  0.368  0.883  1.0
  Cl  Cl18  1  0.997  0.868  0.883  1.0
  Cl  Cl19  1  0.003  0.132  0.117  1.0
  Cl  Cl20  1  0.290  0.995  0.346  1.0
  Cl  Cl21  1  0.710  0.005  0.654  1.0
  Cl  Cl22  1  0.790  0.505  0.654  1.0
  Cl  Cl23  1  0.210  0.495  0.346  1.0
  Cl  Cl24  1  0.788  0.608  0.345  1.0
  Cl  Cl25  1  0.212  0.392  0.655  1.0
  Cl  Cl26  1  0.288  0.892  0.655  1.0
  Cl  Cl27  1  0.712  0.108  0.345  1.0
  Cl  Cl28  1  0.639  0.807  0.500  1.0
  Cl  Cl29  1  0.361  0.193  0.500  1.0
  Cl  Cl30  1  0.139  0.693  0.500  1.0
  Cl  Cl31  1  0.861  0.307  0.500  1.0
  Cl  Cl32  1  0.173  0.843  0.142  1.0
  Cl  Cl33  1  0.827  0.157  0.858  1.0
  Cl  Cl34  1  0.673  0.657  0.858  1.0
  Cl  Cl35  1  0.327  0.343  0.142  1.0
  Cl  Cl36  1  0.713  0.908  0.101  1.0
  Cl  Cl37  1  0.287  0.092  0.899  1.0
  Cl  Cl38  1  0.213  0.592  0.899  1.0
  Cl  Cl39  1  0.787  0.408  0.101  1.0
[/CIF]
.