The crystal structure described by Tm3Pt4 crystallizes in the trigonal R-3 space group. Tm(1) is bonded in a 9-coordinate geometry to one Pt(1), one Pt(2), and seven equivalent Pt(3) atoms. There are three inequivalent Pt sites. In the first Pt site, Pt(1) is bonded in a 6-coordinate geometry to six equivalent Tm(1) atoms. In the second Pt site, Pt(2) is bonded in a distorted octahedral geometry to six equivalent Tm(1) atoms. In the third Pt site, Pt(3) is bonded in a 10-coordinate geometry to seven equivalent Tm(1) and three equivalent Pt(3) atoms. is represented by the CIF file [CIF]
data_Tm3Pt4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.655
_cell_length_b   7.716
_cell_length_c   7.716
_cell_angle_alpha   114.236
_cell_angle_beta   104.139
_cell_angle_gamma   104.139
_symmetry_Int_Tables_number   1
_cell_volume   274.156
_cell_formula_units_Z   2
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
  Tm  Tm0  1  0.405  0.127  0.379  1.0
  Tm  Tm1  1  0.026  0.621  0.748  1.0
  Tm  Tm2  1  0.279  0.252  0.873  1.0
  Tm  Tm3  1  0.595  0.873  0.621  1.0
  Tm  Tm4  1  0.974  0.379  0.252  1.0
  Tm  Tm5  1  0.721  0.748  0.127  1.0
  Pt  Pt6  1  0.000  0.000  0.000  1.0
  Pt  Pt7  1  0.500  0.000  0.000  1.0
  Pt  Pt8  1  0.228  0.677  0.166  1.0
  Pt  Pt9  1  0.063  0.834  0.511  1.0
  Pt  Pt10  1  0.552  0.489  0.323  1.0
  Pt  Pt11  1  0.772  0.323  0.834  1.0
  Pt  Pt12  1  0.937  0.166  0.489  1.0
  Pt  Pt13  1  0.448  0.511  0.677  1.0
[/CIF]
.
The crystal structure described by Tm3Pt4 crystallizes in the trigonal R-3 space group. Tm(1) is bonded in a 9-coordinate geometry to one Pt(1), one Pt(2), and seven equivalent Pt(3) atoms. There are three inequivalent Pt sites. In the first Pt site, Pt(1) is bonded in a 6-coordinate geometry to six equivalent Tm(1) atoms. In the second Pt site, Pt(2) is bonded in a distorted octahedral geometry to six equivalent Tm(1) atoms. In the third Pt site, Pt(3) is bonded in a 10-coordinate geometry to seven equivalent Tm(1) and three equivalent Pt(3) atoms. is represented by the CIF file [CIF]
data_Tm3Pt4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.655
_cell_length_b   7.716
_cell_length_c   7.716
_cell_angle_alpha   114.236
_cell_angle_beta   104.139
_cell_angle_gamma   104.139
_symmetry_Int_Tables_number   1
_cell_volume   274.156
_cell_formula_units_Z   2
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
  Tm  Tm0  1  0.405  0.127  0.379  1.0
  Tm  Tm1  1  0.026  0.621  0.748  1.0
  Tm  Tm2  1  0.279  0.252  0.873  1.0
  Tm  Tm3  1  0.595  0.873  0.621  1.0
  Tm  Tm4  1  0.974  0.379  0.252  1.0
  Tm  Tm5  1  0.721  0.748  0.127  1.0
  Pt  Pt6  1  0.000  0.000  0.000  1.0
  Pt  Pt7  1  0.500  0.000  0.000  1.0
  Pt  Pt8  1  0.228  0.677  0.166  1.0
  Pt  Pt9  1  0.063  0.834  0.511  1.0
  Pt  Pt10  1  0.552  0.489  0.323  1.0
  Pt  Pt11  1  0.772  0.323  0.834  1.0
  Pt  Pt12  1  0.937  0.166  0.489  1.0
  Pt  Pt13  1  0.448  0.511  0.677  1.0
[/CIF]
.