data_global
_chemical_name_mineral 'Kratochvilite'
loop_
_publ_author_name
'Gerkin R E'
'Lundstedt A P'
'Reppart W J'
_journal_name_full 'Acta Crystallographica, Section C'
_journal_volume 40 
_journal_year 1984
_journal_page_first 1892
_journal_page_last 1894
_publ_section_title
;
 Structure of fluorene, C13H10, at 159 K
 Note: T = 159 K
;
_database_code_amcsd 0009998
_chemical_compound_source 'Synthetic'
_chemical_formula_sum 'C13 H10'
_cell_length_a 8.365
_cell_length_b 18.745
_cell_length_c 5.654
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 886.558
_exptl_crystal_density_diffrn      1.245
_symmetry_space_group_name_H-M 'P n m a'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,1/2-y,z'
  '-x,1/2+y,-z'
  '1/2-x,1/2+y,1/2+z'
  '1/2+x,1/2-y,1/2-z'
  '1/2+x,y,1/2-z'
  '1/2-x,-y,1/2+z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
C1   0.73270   0.31265   0.62350   0.02900
C2   0.75110   0.38492   0.66760   0.03730
C3   0.68050   0.43326   0.51470   0.04230
C4   0.59320   0.41020   0.32100   0.04140
C5   0.57470   0.33783   0.27490   0.03560
C6   0.64520   0.28925   0.42770   0.02700
C7   0.79710   0.25000   0.75970   0.03310
H2   0.81400   0.40080   0.80820   0.04730
H3   0.69000   0.48530   0.54810   0.04810
H4   0.54440   0.44580   0.21420   0.05390
H5   0.51480   0.32140   0.13960   0.04110
H7A   0.91780   0.25000   0.76510   0.05110
H7B   0.76140   0.25000   0.93480   0.04850