data_K7C5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.26
_cell_length_b   9.26
_cell_length_c   9.26
_cell_angle_alpha   123.97
_cell_angle_beta   123.97
_cell_angle_gamma   83.25
_symmetry_Int_Tables_number   1
_chemical_formula_structural   K7C5
_chemical_formula_sum   'K7 C5'
_cell_volume   523.16
_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  K5  1  0.0  0.0  0.34  1.0
  K  K6  1  0.35  0.0  0.31  1.0
  K  K7  1  0.0  0.35  0.31  1.0
  K  K8  1  0.51  0.0  0.9  1.0
  K  K9  1  0.19  0.0  0.9  1.0
  K  K10  1  0.0  0.51  0.9  1.0
  K  K11  1  0.0  0.19  0.9  1.0
  C  C0  1  0.0  0.0  0.58  1.0
  C  C1  1  0.78  0.78  0.4  1.0
  C  C2  1  0.57  0.57  0.32  1.0
  C  C3  1  0.57  0.43  0.32  1.0
  C  C4  1  0.43  0.57  0.32  1.0

data_K7C5
_symmetry_space_group_name_H-M   Cm
_cell_length_a   12.3
_cell_length_b   12.3
_cell_length_c   9.26
_cell_angle_alpha   90.0
_cell_angle_beta   131.63
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   K7C5
_chemical_formula_sum   'K14 C10'
_cell_volume   1046.33
_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  0.19  0.09  0.28  1.0
  K  K1  4  0.35  0.25  0.61  1.0
  K  K2  4  0.36  0.33  0.04  1.0
  K  K3  2  0.16  0.5  0.66  1.0
  C  C4  4  0.18  0.07  0.68  1.0
  C  C5  2  0.25  0.0  0.81  1.0
  C  C6  2  0.38  0.0  0.16  1.0
  C  C7  2  0.42  0.0  0.42  1.0

K K K K K K K C C C C C
K K K K K K K C C C C C 0 7 o o o 0 1 o o o 0 2 o o o 1 5 o - - 1 4 o o - 1 11 o - o 2 3 - o - 2 10 - o o 2 6 o o - 3 10 o o + 3 4 o o o 4 7 o o o 4 6 o o o 5 6 o o o 5 11 o o + 6 7 o o o 7 8 - - o 8 9 o o o 9 11 o o o 9 10 o o o 