data_K2CoPt
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.15
_cell_length_b   4.15
_cell_length_c   5.18
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   K2CoPt
_chemical_formula_sum   'K2 Co1 Pt1'
_cell_volume   89.33
_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
  K  K1  1  0.0  0.08  0.59  1.0
  K  K2  1  0.08  0.0  0.59  1.0
  Co  Co0  1  0.0  0.0  0.0  1.0
  Pt  Pt3  1  0.08  0.08  0.0  1.0

data_K2CoPt
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.87
_cell_length_b   5.87
_cell_length_c   5.18
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   K2CoPt
_chemical_formula_sum   'K4 Co2 Pt2'
_cell_volume   178.65
_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+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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
  K  K0  4  0.04  0.04  0.59  1.0
  Co  Co1  2  0.0  0.0  0.0  1.0
  Pt  Pt2  2  0.08  0.0  0.0  1.0

K K Co Pt
(K)2CoPt crystallizes in the monoclinic Cm space group. The structure is zero-dimensional and consists of two potassio-kalium molecules and two CoPt clusters. In each CoPt cluster, Co(1) is bonded in a single-bond geometry to one Pt(1) atom. The Co(1)-Pt(1) bond length is 0.44 Å. Pt(1) is bonded in a single-bond geometry to one Co(1) atom.