The structure described by MoPt3Si4 crystallizes in the orthorhombic Pnma space group. Mo(1) is bonded in a 7-coordinate geometry to one Si(3), two equivalent Si(2), and four equivalent Si(4) atoms. There are three inequivalent Pt sites. In the first Pt site, Pt(1) is bonded in a 6-coordinate geometry to one Si(2), two equivalent Si(3), and three equivalent Si(1) atoms. In the second Pt site, Pt(2) is bonded in a 5-coordinate geometry to one Si(3), two equivalent Si(2), and two equivalent Si(4) atoms. In the third Pt site, Pt(3) is bonded in a 6-coordinate geometry to one Si(2), two equivalent Si(3), and three equivalent Si(1) atoms. There are four inequivalent Si sites. In the first Si site, Si(1) is bonded in a 6-coordinate geometry to three equivalent Pt(1) and three equivalent Pt(3) atoms. In the second Si site, Si(2) is bonded in a 6-coordinate geometry to two equivalent Mo(1), one Pt(1), one Pt(3), and two equivalent Pt(2) atoms. In the third Si site, Si(3) is bonded in a 6-coordinate geometry to one Mo(1), one Pt(2), two equivalent Pt(1), and two equivalent Pt(3) atoms. In the fourth Si site, Si(4) is bonded in a 6-coordinate geometry to four equivalent Mo(1) and two equivalent Pt(2) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Si4MoPt3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.495
_cell_length_b   5.536
_cell_length_c   24.474
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   473.552
_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
  Si  Si0  1  0.250  0.180  0.519  1.0
  Si  Si1  1  0.750  0.320  0.019  1.0
  Si  Si2  1  0.250  0.680  0.981  1.0
  Si  Si3  1  0.750  0.820  0.481  1.0
  Si  Si4  1  0.750  0.319  0.646  1.0
  Si  Si5  1  0.250  0.181  0.146  1.0
  Si  Si6  1  0.750  0.819  0.854  1.0
  Si  Si7  1  0.250  0.681  0.354  1.0
  Si  Si8  1  0.250  0.659  0.610  1.0
  Si  Si9  1  0.750  0.841  0.110  1.0
  Si  Si10  1  0.250  0.159  0.890  1.0
  Si  Si11  1  0.750  0.341  0.390  1.0
  Si  Si12  1  0.750  0.832  0.726  1.0
  Si  Si13  1  0.250  0.668  0.226  1.0
  Si  Si14  1  0.750  0.332  0.774  1.0
  Si  Si15  1  0.250  0.168  0.274  1.0
  Mo  Mo16  1  0.250  0.504  0.710  1.0
  Mo  Mo17  1  0.750  0.996  0.210  1.0
  Mo  Mo18  1  0.250  0.004  0.790  1.0
  Mo  Mo19  1  0.750  0.496  0.290  1.0
  Pt  Pt20  1  0.750  0.003  0.574  1.0
  Pt  Pt21  1  0.250  0.497  0.074  1.0
  Pt  Pt22  1  0.750  0.503  0.926  1.0
  Pt  Pt23  1  0.250  0.997  0.426  1.0
  Pt  Pt24  1  0.250  0.003  0.669  1.0
  Pt  Pt25  1  0.750  0.497  0.169  1.0
  Pt  Pt26  1  0.250  0.503  0.831  1.0
  Pt  Pt27  1  0.750  0.997  0.331  1.0
  Pt  Pt28  1  0.750  0.503  0.548  1.0
  Pt  Pt29  1  0.250  0.997  0.048  1.0
  Pt  Pt30  1  0.750  0.003  0.952  1.0
  Pt  Pt31  1  0.250  0.497  0.452  1.0
[/CIF]
.
The structure described by MoPt3Si4 crystallizes in the orthorhombic Pnma space group. Mo(1) is bonded in a 7-coordinate geometry to one Si(3), two equivalent Si(2), and four equivalent Si(4) atoms. There are three inequivalent Pt sites. In the first Pt site, Pt(1) is bonded in a 6-coordinate geometry to one Si(2), two equivalent Si(3), and three equivalent Si(1) atoms. In the second Pt site, Pt(2) is bonded in a 5-coordinate geometry to one Si(3), two equivalent Si(2), and two equivalent Si(4) atoms. In the third Pt site, Pt(3) is bonded in a 6-coordinate geometry to one Si(2), two equivalent Si(3), and three equivalent Si(1) atoms. There are four inequivalent Si sites. In the first Si site, Si(1) is bonded in a 6-coordinate geometry to three equivalent Pt(1) and three equivalent Pt(3) atoms. In the second Si site, Si(2) is bonded in a 6-coordinate geometry to two equivalent Mo(1), one Pt(1), one Pt(3), and two equivalent Pt(2) atoms. In the third Si site, Si(3) is bonded in a 6-coordinate geometry to one Mo(1), one Pt(2), two equivalent Pt(1), and two equivalent Pt(3) atoms. In the fourth Si site, Si(4) is bonded in a 6-coordinate geometry to four equivalent Mo(1) and two equivalent Pt(2) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Si4MoPt3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.495
_cell_length_b   5.536
_cell_length_c   24.474
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   473.552
_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
  Si  Si0  1  0.250  0.180  0.519  1.0
  Si  Si1  1  0.750  0.320  0.019  1.0
  Si  Si2  1  0.250  0.680  0.981  1.0
  Si  Si3  1  0.750  0.820  0.481  1.0
  Si  Si4  1  0.750  0.319  0.646  1.0
  Si  Si5  1  0.250  0.181  0.146  1.0
  Si  Si6  1  0.750  0.819  0.854  1.0
  Si  Si7  1  0.250  0.681  0.354  1.0
  Si  Si8  1  0.250  0.659  0.610  1.0
  Si  Si9  1  0.750  0.841  0.110  1.0
  Si  Si10  1  0.250  0.159  0.890  1.0
  Si  Si11  1  0.750  0.341  0.390  1.0
  Si  Si12  1  0.750  0.832  0.726  1.0
  Si  Si13  1  0.250  0.668  0.226  1.0
  Si  Si14  1  0.750  0.332  0.774  1.0
  Si  Si15  1  0.250  0.168  0.274  1.0
  Mo  Mo16  1  0.250  0.504  0.710  1.0
  Mo  Mo17  1  0.750  0.996  0.210  1.0
  Mo  Mo18  1  0.250  0.004  0.790  1.0
  Mo  Mo19  1  0.750  0.496  0.290  1.0
  Pt  Pt20  1  0.750  0.003  0.574  1.0
  Pt  Pt21  1  0.250  0.497  0.074  1.0
  Pt  Pt22  1  0.750  0.503  0.926  1.0
  Pt  Pt23  1  0.250  0.997  0.426  1.0
  Pt  Pt24  1  0.250  0.003  0.669  1.0
  Pt  Pt25  1  0.750  0.497  0.169  1.0
  Pt  Pt26  1  0.250  0.503  0.831  1.0
  Pt  Pt27  1  0.750  0.997  0.331  1.0
  Pt  Pt28  1  0.750  0.503  0.548  1.0
  Pt  Pt29  1  0.250  0.997  0.048  1.0
  Pt  Pt30  1  0.750  0.003  0.952  1.0
  Pt  Pt31  1  0.250  0.497  0.452  1.0
[/CIF]
.