data_C8_K
_chemical_name_systematic          'Potassium Carbon (1/8)'
_chemical_formula_structural       'K C8'
_chemical_formula_sum              'C8 K1'
_cell_length_a                     4.92
_cell_length_b                     8.51
_cell_length_c                     21.40
_cell_angle_alpha                  90.
_cell_angle_beta                   90.
_cell_angle_gamma                  90.
_cell_volume                       896
_cell_formula_units_Z              8
_symmetry_space_group_name_H-M     'F d d d S'
_symmetry_Int_Tables_number        70
loop_
_symmetry_equiv_pos_site_id
_symmetry_equiv_pos_as_xyz
  1	'x+1/4, y+1/4, -z+1/4'
  2	'-x+1/4, y+1/4, z+1/4'
  3	'-x, -y, z'
  4	'x, -y, -z'
  5	'x+1/4, -y+1/4, z+1/4'
  6	'-x+1/4, -y+1/4, -z+1/4'
  7	'-x, y, -z'
  8	'x, y, z'
  9	'x+1/4, y+3/4, -z+3/4'
 10	'x+3/4, y+1/4, -z+3/4'
 11	'x+3/4, y+3/4, -z+1/4'
 12	'-x+1/4, y+3/4, z+3/4'
 13	'-x+3/4, y+1/4, z+3/4'
 14	'-x+3/4, y+3/4, z+1/4'
 15	'-x, -y+1/2, z+1/2'
 16	'-x+1/2, -y, z+1/2'
 17	'-x+1/2, -y+1/2, z'
 18	'x, -y+1/2, -z+1/2'
 19	'x+1/2, -y, -z+1/2'
 20	'x+1/2, -y+1/2, -z'
 21	'x+1/4, -y+3/4, z+3/4'
 22	'x+3/4, -y+1/4, z+3/4'
 23	'x+3/4, -y+3/4, z+1/4'
 24	'-x+1/4, -y+3/4, -z+3/4'
 25	'-x+3/4, -y+1/4, -z+3/4'
 26	'-x+3/4, -y+3/4, -z+1/4'
 27	'-x, y+1/2, -z+1/2'
 28	'-x+1/2, y, -z+1/2'
 29	'-x+1/2, y+1/2, -z'
 30	'x, y+1/2, z+1/2'
 31	'x+1/2, y, z+1/2'
 32	'x+1/2, y+1/2, z'
loop_
_atom_type_symbol
_atom_type_oxidation_number
C0.125-	-0.125
K1+	1
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_symmetry_multiplicity
_atom_site_Wyckoff_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_attached_hydrogens
K1 K1+ 8 a 0 0 0 1. 0 
C1 C0.125- 32 h 0.25 0.0833 0.125 1. 0 
C2 C0.125- 32 h 0.25 0.0833 0.625 1. 0 


