The material described by Sm4Ni3Ge8 crystallizes in the orthorhombic Pmm2 space group. There are four inequivalent Sm sites. In the first Sm site, Sm(1) is bonded in a 14-coordinate geometry to four equivalent Ni(2), two equivalent Ge(2), two equivalent Ge(5), two equivalent Ge(7), and four equivalent Ge(3) atoms. In the second Sm site, Sm(2) is bonded in a 14-coordinate geometry to four equivalent Ni(3), two equivalent Ge(1), two equivalent Ge(6), two equivalent Ge(8), and four equivalent Ge(4) atoms. In the third Sm site, Sm(3) is bonded in a 10-coordinate geometry to two equivalent Ge(4), two equivalent Ge(5), two equivalent Ge(7), and four equivalent Ge(1) atoms. In the fourth Sm site, Sm(4) is bonded in a 14-coordinate geometry to four equivalent Ni(1), two equivalent Ge(3), two equivalent Ge(6), two equivalent Ge(8), and four equivalent Ge(2) atoms. There are three inequivalent Ni sites. In the first Ni site, Ni(1) is bonded in a 5-coordinate geometry to four equivalent Sm(4), one Ge(2), two equivalent Ge(6), and two equivalent Ge(8) atoms. In the second Ni site, Ni(2) is bonded in a 5-coordinate geometry to four equivalent Sm(1), one Ge(3), two equivalent Ge(5), and two equivalent Ge(7) atoms. In the third Ni site, Ni(3) is bonded in a 5-coordinate geometry to four equivalent Sm(2), one Ge(4), two equivalent Ge(6), and two equivalent Ge(8) atoms. There are eight inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 8-coordinate geometry to two equivalent Sm(2), four equivalent Sm(3), and two equivalent Ge(4) atoms. In the second Ge site, Ge(2) is bonded in a 9-coordinate geometry to two equivalent Sm(1), four equivalent Sm(4), one Ni(1), and two equivalent Ge(3) atoms. In the third Ge site, Ge(3) is bonded in a 9-coordinate geometry to two equivalent Sm(4), four equivalent Sm(1), one Ni(2), and two equivalent Ge(2) atoms. In the fourth Ge site, Ge(4) is bonded in a 9-coordinate geometry to two equivalent Sm(3), four equivalent Sm(2), one Ni(3), and two equivalent Ge(1) atoms. In the fifth Ge site, Ge(5) is bonded in a 10-coordinate geometry to two equivalent Sm(1), two equivalent Sm(3), two equivalent Ni(2), and four equivalent Ge(7) atoms. In the sixth Ge site, Ge(6) is bonded in a 8-coordinate geometry to two equivalent Sm(2), two equivalent Sm(4), two equivalent Ni(1), and two equivalent Ni(3) atoms. In the seventh Ge site, Ge(7) is bonded in a 10-coordinate geometry to two equivalent Sm(1), two equivalent Sm(3), two equivalent Ni(2), and four equivalent Ge(5) atoms. In the eighth Ge site, Ge(8) is bonded in a 8-coordinate geometry to two equivalent Sm(2), two equivalent Sm(4), two equivalent Ni(1), and two equivalent Ni(3) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Sm4Ni3Ge8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.141
_cell_length_b   4.179
_cell_length_c   16.654
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   288.187
_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
  Sm  Sm0  1  0.250  0.000  0.103  1.0
  Sm  Sm1  1  0.250  0.500  0.605  1.0
  Sm  Sm2  1  0.750  0.500  0.392  1.0
  Sm  Sm3  1  0.750  0.000  0.894  1.0
  Ni  Ni4  1  0.250  0.500  0.819  1.0
  Ni  Ni5  1  0.750  0.500  0.185  1.0
  Ni  Ni6  1  0.750  0.000  0.682  1.0
  Ge  Ge7  1  0.250  0.000  0.449  1.0
  Ge  Ge8  1  0.250  0.500  0.957  1.0
  Ge  Ge9  1  0.750  0.500  0.045  1.0
  Ge  Ge10  1  0.750  0.000  0.542  1.0
  Ge  Ge11  1  0.250  0.500  0.256  1.0
  Ge  Ge12  1  0.250  0.000  0.749  1.0
  Ge  Ge13  1  0.750  0.000  0.254  1.0
  Ge  Ge14  1  0.750  0.500  0.750  1.0
[/CIF]
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The material described by Sm4Ni3Ge8 crystallizes in the orthorhombic Pmm2 space group. There are four inequivalent Sm sites. In the first Sm site, Sm(1) is bonded in a 14-coordinate geometry to four equivalent Ni(2), two equivalent Ge(2), two equivalent Ge(5), two equivalent Ge(7), and four equivalent Ge(3) atoms. In the second Sm site, Sm(2) is bonded in a 14-coordinate geometry to four equivalent Ni(3), two equivalent Ge(1), two equivalent Ge(6), two equivalent Ge(8), and four equivalent Ge(4) atoms. In the third Sm site, Sm(3) is bonded in a 10-coordinate geometry to two equivalent Ge(4), two equivalent Ge(5), two equivalent Ge(7), and four equivalent Ge(1) atoms. In the fourth Sm site, Sm(4) is bonded in a 14-coordinate geometry to four equivalent Ni(1), two equivalent Ge(3), two equivalent Ge(6), two equivalent Ge(8), and four equivalent Ge(2) atoms. There are three inequivalent Ni sites. In the first Ni site, Ni(1) is bonded in a 5-coordinate geometry to four equivalent Sm(4), one Ge(2), two equivalent Ge(6), and two equivalent Ge(8) atoms. In the second Ni site, Ni(2) is bonded in a 5-coordinate geometry to four equivalent Sm(1), one Ge(3), two equivalent Ge(5), and two equivalent Ge(7) atoms. In the third Ni site, Ni(3) is bonded in a 5-coordinate geometry to four equivalent Sm(2), one Ge(4), two equivalent Ge(6), and two equivalent Ge(8) atoms. There are eight inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 8-coordinate geometry to two equivalent Sm(2), four equivalent Sm(3), and two equivalent Ge(4) atoms. In the second Ge site, Ge(2) is bonded in a 9-coordinate geometry to two equivalent Sm(1), four equivalent Sm(4), one Ni(1), and two equivalent Ge(3) atoms. In the third Ge site, Ge(3) is bonded in a 9-coordinate geometry to two equivalent Sm(4), four equivalent Sm(1), one Ni(2), and two equivalent Ge(2) atoms. In the fourth Ge site, Ge(4) is bonded in a 9-coordinate geometry to two equivalent Sm(3), four equivalent Sm(2), one Ni(3), and two equivalent Ge(1) atoms. In the fifth Ge site, Ge(5) is bonded in a 10-coordinate geometry to two equivalent Sm(1), two equivalent Sm(3), two equivalent Ni(2), and four equivalent Ge(7) atoms. In the sixth Ge site, Ge(6) is bonded in a 8-coordinate geometry to two equivalent Sm(2), two equivalent Sm(4), two equivalent Ni(1), and two equivalent Ni(3) atoms. In the seventh Ge site, Ge(7) is bonded in a 10-coordinate geometry to two equivalent Sm(1), two equivalent Sm(3), two equivalent Ni(2), and four equivalent Ge(5) atoms. In the eighth Ge site, Ge(8) is bonded in a 8-coordinate geometry to two equivalent Sm(2), two equivalent Sm(4), two equivalent Ni(1), and two equivalent Ni(3) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Sm4Ni3Ge8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.141
_cell_length_b   4.179
_cell_length_c   16.654
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   288.187
_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
  Sm  Sm0  1  0.250  0.000  0.103  1.0
  Sm  Sm1  1  0.250  0.500  0.605  1.0
  Sm  Sm2  1  0.750  0.500  0.392  1.0
  Sm  Sm3  1  0.750  0.000  0.894  1.0
  Ni  Ni4  1  0.250  0.500  0.819  1.0
  Ni  Ni5  1  0.750  0.500  0.185  1.0
  Ni  Ni6  1  0.750  0.000  0.682  1.0
  Ge  Ge7  1  0.250  0.000  0.449  1.0
  Ge  Ge8  1  0.250  0.500  0.957  1.0
  Ge  Ge9  1  0.750  0.500  0.045  1.0
  Ge  Ge10  1  0.750  0.000  0.542  1.0
  Ge  Ge11  1  0.250  0.500  0.256  1.0
  Ge  Ge12  1  0.250  0.000  0.749  1.0
  Ge  Ge13  1  0.750  0.000  0.254  1.0
  Ge  Ge14  1  0.750  0.500  0.750  1.0
[/CIF]
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