The compound described by CrMn(Ni2Sn)2 is Tungsten-derived structured and crystallizes in the trigonal R-3m space group. Cr(1) is bonded in a distorted body-centered cubic geometry to two equivalent Ni(2), six equivalent Ni(1), and six equivalent Sn(1) atoms. Mn(1) is bonded in a distorted body-centered cubic geometry to two equivalent Ni(1); six Ni(2,2); and six equivalent Sn(1) atoms. There are five inequivalent Ni sites. In the first Ni site, Ni(1) is bonded in a distorted body-centered cubic geometry to three equivalent Cr(1), one Mn(1), and four equivalent Sn(1) atoms. In the second Ni site, Ni(2) is bonded in a distorted body-centered cubic geometry to one Cr(1), three equivalent Mn(1), and four equivalent Sn(1) atoms. In the third Ni site, Ni(2) is bonded in a distorted body-centered cubic geometry to one Cr(1), three equivalent Mn(1), and four equivalent Sn(1) atoms. In the fourth Ni site, Ni(2) is bonded in a distorted body-centered cubic geometry to one Cr(1), three equivalent Mn(1), and four equivalent Sn(1) atoms. In the fifth Ni site, Ni(1) is bonded in a distorted body-centered cubic geometry to three equivalent Cr(1), one Mn(1), and four equivalent Sn(1) atoms. Sn(1) is bonded in a 14-coordinate geometry to three equivalent Cr(1); three equivalent Mn(1); four Ni(1,1); and four Ni(2,2) atoms. is represented by the CIF file [CIF]
data_MnCr(Ni2Sn)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.432
_cell_length_b   7.432
_cell_length_c   7.432
_cell_angle_alpha   33.586
_cell_angle_beta   33.586
_cell_angle_gamma   33.586
_symmetry_Int_Tables_number   1
_cell_volume   111.886
_cell_formula_units_Z   1
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
  Mn  Mn0  1  0.500  0.500  0.500  1.0
  Cr  Cr1  1  0.000  0.000  0.000  1.0
  Ni  Ni2  1  0.625  0.625  0.625  1.0
  Ni  Ni3  1  0.125  0.125  0.125  1.0
  Ni  Ni4  1  0.875  0.875  0.875  1.0
  Ni  Ni5  1  0.375  0.375  0.375  1.0
  Sn  Sn6  1  0.250  0.250  0.250  1.0
  Sn  Sn7  1  0.750  0.750  0.750  1.0
[/CIF]
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The compound described by CrMn(Ni2Sn)2 is Tungsten-derived structured and crystallizes in the trigonal R-3m space group. Cr(1) is bonded in a distorted body-centered cubic geometry to two equivalent Ni(2), six equivalent Ni(1), and six equivalent Sn(1) atoms. Mn(1) is bonded in a distorted body-centered cubic geometry to two equivalent Ni(1); six Ni(2,2); and six equivalent Sn(1) atoms. There are five inequivalent Ni sites. In the first Ni site, Ni(1) is bonded in a distorted body-centered cubic geometry to three equivalent Cr(1), one Mn(1), and four equivalent Sn(1) atoms. In the second Ni site, Ni(2) is bonded in a distorted body-centered cubic geometry to one Cr(1), three equivalent Mn(1), and four equivalent Sn(1) atoms. In the third Ni site, Ni(2) is bonded in a distorted body-centered cubic geometry to one Cr(1), three equivalent Mn(1), and four equivalent Sn(1) atoms. In the fourth Ni site, Ni(2) is bonded in a distorted body-centered cubic geometry to one Cr(1), three equivalent Mn(1), and four equivalent Sn(1) atoms. In the fifth Ni site, Ni(1) is bonded in a distorted body-centered cubic geometry to three equivalent Cr(1), one Mn(1), and four equivalent Sn(1) atoms. Sn(1) is bonded in a 14-coordinate geometry to three equivalent Cr(1); three equivalent Mn(1); four Ni(1,1); and four Ni(2,2) atoms. is represented by the CIF file [CIF]
data_MnCr(Ni2Sn)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.432
_cell_length_b   7.432
_cell_length_c   7.432
_cell_angle_alpha   33.586
_cell_angle_beta   33.586
_cell_angle_gamma   33.586
_symmetry_Int_Tables_number   1
_cell_volume   111.886
_cell_formula_units_Z   1
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
  Mn  Mn0  1  0.500  0.500  0.500  1.0
  Cr  Cr1  1  0.000  0.000  0.000  1.0
  Ni  Ni2  1  0.625  0.625  0.625  1.0
  Ni  Ni3  1  0.125  0.125  0.125  1.0
  Ni  Ni4  1  0.875  0.875  0.875  1.0
  Ni  Ni5  1  0.375  0.375  0.375  1.0
  Sn  Sn6  1  0.250  0.250  0.250  1.0
  Sn  Sn7  1  0.750  0.750  0.750  1.0
[/CIF]
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