The compound described by Sm2CuGe6 crystallizes in the orthorhombic Amm2 space group. There are two inequivalent Sm sites. In the first Sm site, Sm(1) is bonded in a 10-coordinate geometry to two equivalent Ge(2), two equivalent Ge(4), two equivalent Ge(5), and four equivalent Ge(6) atoms. In the second Sm site, Sm(2) is bonded in a 14-coordinate geometry to four equivalent Cu(1), two equivalent Ge(1), two equivalent Ge(3), two equivalent Ge(6), and four equivalent Ge(5) atoms. Cu(1) is bonded in a 9-coordinate geometry to four equivalent Sm(2), one Ge(5), two equivalent Ge(1), and two equivalent Ge(3) atoms. There are six inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 9-coordinate geometry to two equivalent Sm(2), two equivalent Cu(1), one Ge(2), and four equivalent Ge(3) atoms. In the second Ge site, Ge(2) is bonded in a 7-coordinate geometry to two equivalent Sm(1), one Ge(1), and four equivalent Ge(4) atoms. In the third Ge site, Ge(3) is bonded in a 9-coordinate geometry to two equivalent Sm(2), two equivalent Cu(1), one Ge(4), and four equivalent Ge(1) atoms. In the fourth Ge site, Ge(4) is bonded in a 7-coordinate geometry to two equivalent Sm(1), one Ge(3), and four equivalent Ge(2) atoms. In the fifth Ge site, Ge(5) is bonded in a 9-coordinate geometry to two equivalent Sm(1), four equivalent Sm(2), one Cu(1), and two equivalent Ge(6) atoms. In the sixth Ge site, Ge(6) is bonded in a 8-coordinate geometry to two equivalent Sm(2), four equivalent Sm(1), and two equivalent Ge(5) atoms. is represented by the CIF card [CIF]
data_Sm2CuGe6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.101
_cell_length_b   4.146
_cell_length_c   11.062
_cell_angle_alpha   90.000
_cell_angle_beta   100.683
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   184.840
_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  0.778  0.500  0.557  1.0
  Sm  Sm1  1  0.112  0.500  0.224  1.0
  Cu  Cu2  1  0.557  0.000  0.113  1.0
  Ge  Ge3  1  0.498  0.500  0.995  1.0
  Ge  Ge4  1  0.383  0.500  0.766  1.0
  Ge  Ge5  1  0.997  0.000  0.995  1.0
  Ge  Ge6  1  0.882  0.000  0.764  1.0
  Ge  Ge7  1  0.665  0.000  0.329  1.0
  Ge  Ge8  1  0.235  0.000  0.470  1.0
[/CIF]
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The compound described by Sm2CuGe6 crystallizes in the orthorhombic Amm2 space group. There are two inequivalent Sm sites. In the first Sm site, Sm(1) is bonded in a 10-coordinate geometry to two equivalent Ge(2), two equivalent Ge(4), two equivalent Ge(5), and four equivalent Ge(6) atoms. In the second Sm site, Sm(2) is bonded in a 14-coordinate geometry to four equivalent Cu(1), two equivalent Ge(1), two equivalent Ge(3), two equivalent Ge(6), and four equivalent Ge(5) atoms. Cu(1) is bonded in a 9-coordinate geometry to four equivalent Sm(2), one Ge(5), two equivalent Ge(1), and two equivalent Ge(3) atoms. There are six inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 9-coordinate geometry to two equivalent Sm(2), two equivalent Cu(1), one Ge(2), and four equivalent Ge(3) atoms. In the second Ge site, Ge(2) is bonded in a 7-coordinate geometry to two equivalent Sm(1), one Ge(1), and four equivalent Ge(4) atoms. In the third Ge site, Ge(3) is bonded in a 9-coordinate geometry to two equivalent Sm(2), two equivalent Cu(1), one Ge(4), and four equivalent Ge(1) atoms. In the fourth Ge site, Ge(4) is bonded in a 7-coordinate geometry to two equivalent Sm(1), one Ge(3), and four equivalent Ge(2) atoms. In the fifth Ge site, Ge(5) is bonded in a 9-coordinate geometry to two equivalent Sm(1), four equivalent Sm(2), one Cu(1), and two equivalent Ge(6) atoms. In the sixth Ge site, Ge(6) is bonded in a 8-coordinate geometry to two equivalent Sm(2), four equivalent Sm(1), and two equivalent Ge(5) atoms. is represented by the CIF card [CIF]
data_Sm2CuGe6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.101
_cell_length_b   4.146
_cell_length_c   11.062
_cell_angle_alpha   90.000
_cell_angle_beta   100.683
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   184.840
_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  0.778  0.500  0.557  1.0
  Sm  Sm1  1  0.112  0.500  0.224  1.0
  Cu  Cu2  1  0.557  0.000  0.113  1.0
  Ge  Ge3  1  0.498  0.500  0.995  1.0
  Ge  Ge4  1  0.383  0.500  0.766  1.0
  Ge  Ge5  1  0.997  0.000  0.995  1.0
  Ge  Ge6  1  0.882  0.000  0.764  1.0
  Ge  Ge7  1  0.665  0.000  0.329  1.0
  Ge  Ge8  1  0.235  0.000  0.470  1.0
[/CIF]
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