data_CoCu2Ge
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.18
_cell_length_b   3.18
_cell_length_c   5.02
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   CoCu2Ge
_chemical_formula_sum   'Co1 Cu2 Ge1'
_cell_volume   50.67
_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
  Co  Co0  1  0.0  0.0  0.0  1.0
  Cu  Cu1  1  0.59  0.59  0.21  1.0
  Cu  Cu2  1  0.59  0.59  0.81  1.0
  Ge  Ge3  1  0.0  0.0  0.51  1.0

data_CoCu2Ge
_symmetry_space_group_name_H-M   Amm2
_cell_length_a   5.02
_cell_length_b   4.49
_cell_length_c   4.49
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   38
_chemical_formula_structural   CoCu2Ge
_chemical_formula_sum   'Co2 Cu4 Ge2'
_cell_volume   101.35
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-x, -y, z'
  3  '-x, y, z'
  4  'x, -y, z'
  5  'x, y+1/2, z+1/2'
  6  '-x, -y+1/2, z+1/2'
  7  '-x, y+1/2, z+1/2'
  8  'x, -y+1/2, z+1/2'
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
  Co  Co0  2  0.0  0.0  0.0  1.0
  Cu  Cu1  4  0.21  0.0  0.59  1.0
  Ge  Ge2  2  0.5  0.0  0.0  1.0

Co Cu Cu Ge
Co Cu Cu Ge 0 2 - - - 0 2 - o - 0 2 o - - 0 1 - - o 0 1 - o o 0 1 o - o 0 3 o o - 0 3 o o o 1 2 o o - 1 3 + + o 1 3 + o o 1 3 o + o 2 3 + + o 2 3 + o o 2 3 o + o 
CoCu2Ge crystallizes in the monoclinic Cm space group. Co(1) is bonded in a 10-coordinate geometry to four equivalent Cu(1), four equivalent Cu(2), and two equivalent Ge(1) atoms. There are a spread of Co(1)-Cu(1) bond distances ranging from 2.14-2.86 Å. There are a spread of Co(1)-Cu(2) bond distances ranging from 2.09-2.82 Å. There is one shorter (2.46 Å) and one longer (2.56 Å) Co(1)-Ge(1) bond length. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a 7-coordinate geometry to four equivalent Co(1), one Cu(2), and four equivalent Ge(1) atoms. The Cu(1)-Cu(2) bond length is 2.06 Å. There are a spread of Cu(1)-Ge(1) bond distances ranging from 2.37-3.03 Å. In the second Cu site, Cu(2) is bonded in a 7-coordinate geometry to four equivalent Co(1), one Cu(1), and four equivalent Ge(1) atoms. There are a spread of Cu(2)-Ge(1) bond distances ranging from 2.37-3.03 Å. Ge(1) is bonded in a 10-coordinate geometry to two equivalent Co(1), four equivalent Cu(1), and four equivalent Cu(2) atoms.