data_K3C
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.59
_cell_length_b   4.59
_cell_length_c   10.57
_cell_angle_alpha   99.59
_cell_angle_beta   99.59
_cell_angle_gamma   59.26
_symmetry_Int_Tables_number   1
_chemical_formula_structural   K3C
_chemical_formula_sum   'K3 C1'
_cell_volume   187.37
_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  0.97  0.0  0.18  1.0
  K  K2  1  0.62  0.0  0.98  1.0
  K  K3  1  0.33  0.0  0.39  1.0
  C  C0  1  0.0  0.0  0.0  1.0

data_K3C
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.53
_cell_length_b   4.59
_cell_length_c   10.57
_cell_angle_alpha   99.59
_cell_angle_beta   90.0
_cell_angle_gamma   119.63
_symmetry_Int_Tables_number   1
_chemical_formula_structural   K3C
_chemical_formula_sum   'K3 C1'
_cell_volume   187.37
_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  K0  1  0.0  0.03  0.82  1.0
  K  K1  1  0.0  0.38  0.02  1.0
  K  K2  1  0.0  0.67  0.61  1.0
  C  C3  1  0.0  0.0  0.0  1.0

K K K C
K K K C 0 3 + o o 0 2 + o o 1 3 + o + 