The material structure described by MgNd2Si2 crystallizes in the tetragonal P4/mbm space group. Mg(1) is bonded in a distorted square co-planar geometry to four equivalent Si(1) atoms. Nd(1) is bonded in a 6-coordinate geometry to six equivalent Si(1) atoms. Si(1) is bonded in a 9-coordinate geometry to two equivalent Mg(1), six equivalent Nd(1), and one Si(1) atom. is represented by the CIF card [CIF]
data_Nd2MgSi2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.392
_cell_length_b   7.392
_cell_length_c   4.374
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   239.011
_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
  Nd  Nd0  1  0.680  0.180  0.500  1.0
  Nd  Nd1  1  0.320  0.820  0.500  1.0
  Nd  Nd2  1  0.180  0.320  0.500  1.0
  Nd  Nd3  1  0.820  0.680  0.500  1.0
  Mg  Mg4  1  0.000  0.000  0.000  1.0
  Mg  Mg5  1  0.500  0.500  0.000  1.0
  Si  Si6  1  0.114  0.614  0.000  1.0
  Si  Si7  1  0.886  0.386  0.000  1.0
  Si  Si8  1  0.614  0.886  0.000  1.0
  Si  Si9  1  0.386  0.114  0.000  1.0
[/CIF]
.
The material structure described by MgNd2Si2 crystallizes in the tetragonal P4/mbm space group. Mg(1) is bonded in a distorted square co-planar geometry to four equivalent Si(1) atoms. Nd(1) is bonded in a 6-coordinate geometry to six equivalent Si(1) atoms. Si(1) is bonded in a 9-coordinate geometry to two equivalent Mg(1), six equivalent Nd(1), and one Si(1) atom. is represented by the CIF card [CIF]
data_Nd2MgSi2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.392
_cell_length_b   7.392
_cell_length_c   4.374
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   239.011
_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
  Nd  Nd0  1  0.680  0.180  0.500  1.0
  Nd  Nd1  1  0.320  0.820  0.500  1.0
  Nd  Nd2  1  0.180  0.320  0.500  1.0
  Nd  Nd3  1  0.820  0.680  0.500  1.0
  Mg  Mg4  1  0.000  0.000  0.000  1.0
  Mg  Mg5  1  0.500  0.500  0.000  1.0
  Si  Si6  1  0.114  0.614  0.000  1.0
  Si  Si7  1  0.886  0.386  0.000  1.0
  Si  Si8  1  0.614  0.886  0.000  1.0
  Si  Si9  1  0.386  0.114  0.000  1.0
[/CIF]
.