The material structure described by Yb2Pt3Sn5 crystallizes in the orthorhombic Pnma space group. There are two inequivalent Yb sites. In the first Yb site, Yb(1) is bonded in a 8-coordinate geometry to two equivalent Pt(2), two equivalent Sn(3), two equivalent Sn(4), and two equivalent Sn(5) atoms. In the second Yb site, Yb(2) is bonded in a 13-coordinate geometry to one Pt(2), four equivalent Pt(1), two equivalent Sn(1), two equivalent Sn(4), and four equivalent Sn(2) atoms. There are three inequivalent Pt sites. In the first Pt site, Pt(3) is bonded in a 7-coordinate geometry to one Sn(1), three equivalent Sn(3), and three equivalent Sn(5) atoms. In the second Pt site, Pt(1) is bonded in a 9-coordinate geometry to four equivalent Yb(2), one Sn(1), two equivalent Sn(2), and two equivalent Sn(4) atoms. In the third Pt site, Pt(2) is bonded in a 9-coordinate geometry to one Yb(2), two equivalent Yb(1), one Sn(3), one Sn(4), two equivalent Sn(1), and two equivalent Sn(2) atoms. There are five inequivalent Sn sites. In the first Sn site, Sn(1) is bonded in a 4-coordinate geometry to two equivalent Yb(2), one Pt(1), one Pt(3), and two equivalent Pt(2) atoms. In the second Sn site, Sn(2) is bonded in a 6-coordinate geometry to four equivalent Yb(2), two equivalent Pt(1), and two equivalent Pt(2) atoms. In the third Sn site, Sn(3) is bonded in a 6-coordinate geometry to two equivalent Yb(1), one Pt(2), and three equivalent Pt(3) atoms. In the fourth Sn site, Sn(4) is bonded in a 8-coordinate geometry to two equivalent Yb(1), two equivalent Yb(2), one Pt(2), two equivalent Pt(1), and one Sn(5) atom. In the fifth Sn site, Sn(5) is bonded in a 5-coordinate geometry to two equivalent Yb(1), three equivalent Pt(3), and one Sn(4) atom. is represented by the CIF file [CIF]
data_Yb2Sn5Pt3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.454
_cell_length_b   7.339
_cell_length_c   26.439
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   864.124
_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
  Yb  Yb0  1  0.750  0.254  0.922  1.0
  Yb  Yb1  1  0.750  0.285  0.227  1.0
  Yb  Yb2  1  0.250  0.215  0.727  1.0
  Yb  Yb3  1  0.750  0.785  0.273  1.0
  Yb  Yb4  1  0.750  0.754  0.578  1.0
  Yb  Yb5  1  0.250  0.746  0.078  1.0
  Yb  Yb6  1  0.250  0.715  0.773  1.0
  Yb  Yb7  1  0.250  0.246  0.422  1.0
  Sn  Sn8  1  0.750  0.210  0.632  1.0
  Sn  Sn9  1  0.750  0.879  0.703  1.0
  Sn  Sn10  1  0.750  0.463  0.043  1.0
  Sn  Sn11  1  0.250  0.592  0.653  1.0
  Sn  Sn12  1  0.750  0.908  0.153  1.0
  Sn  Sn13  1  0.250  0.037  0.543  1.0
  Sn  Sn14  1  0.250  0.790  0.368  1.0
  Sn  Sn15  1  0.250  0.467  0.543  1.0
  Sn  Sn16  1  0.250  0.537  0.957  1.0
  Sn  Sn17  1  0.250  0.290  0.132  1.0
  Sn  Sn18  1  0.250  0.967  0.957  1.0
  Sn  Sn19  1  0.250  0.621  0.203  1.0
  Sn  Sn20  1  0.750  0.379  0.797  1.0
  Sn  Sn21  1  0.250  0.121  0.297  1.0
  Sn  Sn22  1  0.750  0.033  0.043  1.0
  Sn  Sn23  1  0.750  0.710  0.868  1.0
  Sn  Sn24  1  0.750  0.533  0.457  1.0
  Sn  Sn25  1  0.750  0.963  0.457  1.0
  Sn  Sn26  1  0.750  0.408  0.347  1.0
  Sn  Sn27  1  0.250  0.092  0.847  1.0
  Pt  Pt28  1  0.250  0.002  0.200  1.0
  Pt  Pt29  1  0.250  0.961  0.643  1.0
  Pt  Pt30  1  0.750  0.498  0.700  1.0
  Pt  Pt31  1  0.750  0.039  0.357  1.0
  Pt  Pt32  1  0.750  0.256  0.528  1.0
  Pt  Pt33  1  0.750  0.756  0.972  1.0
  Pt  Pt34  1  0.750  0.998  0.800  1.0
  Pt  Pt35  1  0.250  0.244  0.028  1.0
  Pt  Pt36  1  0.750  0.539  0.143  1.0
  Pt  Pt37  1  0.250  0.461  0.857  1.0
  Pt  Pt38  1  0.250  0.744  0.472  1.0
  Pt  Pt39  1  0.250  0.502  0.300  1.0
[/CIF]
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The material structure described by Yb2Pt3Sn5 crystallizes in the orthorhombic Pnma space group. There are two inequivalent Yb sites. In the first Yb site, Yb(1) is bonded in a 8-coordinate geometry to two equivalent Pt(2), two equivalent Sn(3), two equivalent Sn(4), and two equivalent Sn(5) atoms. In the second Yb site, Yb(2) is bonded in a 13-coordinate geometry to one Pt(2), four equivalent Pt(1), two equivalent Sn(1), two equivalent Sn(4), and four equivalent Sn(2) atoms. There are three inequivalent Pt sites. In the first Pt site, Pt(3) is bonded in a 7-coordinate geometry to one Sn(1), three equivalent Sn(3), and three equivalent Sn(5) atoms. In the second Pt site, Pt(1) is bonded in a 9-coordinate geometry to four equivalent Yb(2), one Sn(1), two equivalent Sn(2), and two equivalent Sn(4) atoms. In the third Pt site, Pt(2) is bonded in a 9-coordinate geometry to one Yb(2), two equivalent Yb(1), one Sn(3), one Sn(4), two equivalent Sn(1), and two equivalent Sn(2) atoms. There are five inequivalent Sn sites. In the first Sn site, Sn(1) is bonded in a 4-coordinate geometry to two equivalent Yb(2), one Pt(1), one Pt(3), and two equivalent Pt(2) atoms. In the second Sn site, Sn(2) is bonded in a 6-coordinate geometry to four equivalent Yb(2), two equivalent Pt(1), and two equivalent Pt(2) atoms. In the third Sn site, Sn(3) is bonded in a 6-coordinate geometry to two equivalent Yb(1), one Pt(2), and three equivalent Pt(3) atoms. In the fourth Sn site, Sn(4) is bonded in a 8-coordinate geometry to two equivalent Yb(1), two equivalent Yb(2), one Pt(2), two equivalent Pt(1), and one Sn(5) atom. In the fifth Sn site, Sn(5) is bonded in a 5-coordinate geometry to two equivalent Yb(1), three equivalent Pt(3), and one Sn(4) atom. is represented by the CIF file [CIF]
data_Yb2Sn5Pt3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.454
_cell_length_b   7.339
_cell_length_c   26.439
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   864.124
_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
  Yb  Yb0  1  0.750  0.254  0.922  1.0
  Yb  Yb1  1  0.750  0.285  0.227  1.0
  Yb  Yb2  1  0.250  0.215  0.727  1.0
  Yb  Yb3  1  0.750  0.785  0.273  1.0
  Yb  Yb4  1  0.750  0.754  0.578  1.0
  Yb  Yb5  1  0.250  0.746  0.078  1.0
  Yb  Yb6  1  0.250  0.715  0.773  1.0
  Yb  Yb7  1  0.250  0.246  0.422  1.0
  Sn  Sn8  1  0.750  0.210  0.632  1.0
  Sn  Sn9  1  0.750  0.879  0.703  1.0
  Sn  Sn10  1  0.750  0.463  0.043  1.0
  Sn  Sn11  1  0.250  0.592  0.653  1.0
  Sn  Sn12  1  0.750  0.908  0.153  1.0
  Sn  Sn13  1  0.250  0.037  0.543  1.0
  Sn  Sn14  1  0.250  0.790  0.368  1.0
  Sn  Sn15  1  0.250  0.467  0.543  1.0
  Sn  Sn16  1  0.250  0.537  0.957  1.0
  Sn  Sn17  1  0.250  0.290  0.132  1.0
  Sn  Sn18  1  0.250  0.967  0.957  1.0
  Sn  Sn19  1  0.250  0.621  0.203  1.0
  Sn  Sn20  1  0.750  0.379  0.797  1.0
  Sn  Sn21  1  0.250  0.121  0.297  1.0
  Sn  Sn22  1  0.750  0.033  0.043  1.0
  Sn  Sn23  1  0.750  0.710  0.868  1.0
  Sn  Sn24  1  0.750  0.533  0.457  1.0
  Sn  Sn25  1  0.750  0.963  0.457  1.0
  Sn  Sn26  1  0.750  0.408  0.347  1.0
  Sn  Sn27  1  0.250  0.092  0.847  1.0
  Pt  Pt28  1  0.250  0.002  0.200  1.0
  Pt  Pt29  1  0.250  0.961  0.643  1.0
  Pt  Pt30  1  0.750  0.498  0.700  1.0
  Pt  Pt31  1  0.750  0.039  0.357  1.0
  Pt  Pt32  1  0.750  0.256  0.528  1.0
  Pt  Pt33  1  0.750  0.756  0.972  1.0
  Pt  Pt34  1  0.750  0.998  0.800  1.0
  Pt  Pt35  1  0.250  0.244  0.028  1.0
  Pt  Pt36  1  0.750  0.539  0.143  1.0
  Pt  Pt37  1  0.250  0.461  0.857  1.0
  Pt  Pt38  1  0.250  0.744  0.472  1.0
  Pt  Pt39  1  0.250  0.502  0.300  1.0
[/CIF]
.