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#$Date: 2022-10-03 17:40:12 +0300 (Mon, 03 Oct 2022) $
#$Revision: 278324 $
#$URL: file:///home/coder/svn-repositories/cod/cif/2/00/08/2000852.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/. The original data for this entry
# were provided by IUCr Journals, http://journals.iucr.org/.
#
# The file may be used within the scientific community so long as
# proper attribution is given to the journal article from which the
# data were obtained.
#
data_2000852
loop_
_publ_author_name
'Bideau, J.-P.'
'Cotrait, M.'
'Buisson, J.-P.'
'Demerseman, P.'
_publ_section_title
;
 Structure cristalline du
 [1]benzopyrano[6,5,4-def][1]benzopyrane (1,6-dioxapyrène)
;
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              1129
_journal_page_last               1131
_journal_paper_doi               10.1107/S0108270191012647
_journal_volume                  48
_journal_year                    1992
_chemical_formula_sum            'C14 H8 O2'
_chemical_formula_weight         208.2
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_cell_angle_alpha                90
_cell_angle_beta                 93.127(3)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   9.027(4)
_cell_length_b                   3.9220(10)
_cell_length_c                   13.396(6)
_cell_volume                     473.6(3)
_diffrn_radiation_type           Cu
_diffrn_radiation_wavelength     1.54178
_exptl_absorpt_coefficient_mu    0.747
_exptl_crystal_density_diffrn    1.461
_exptl_crystal_F_000             216
_cod_data_source_file            pa0245.cif
_cod_data_source_block           pa0245a
_cod_original_cell_volume        473.6
_cod_database_code               2000852
loop_
_space_group_symop_id
_space_group_symop_operation_xyz
1 x,y,z
2 -x+1/2,y+1/2,-z+1/2
3 -x,-y,-z
4 x+1/2,-y+1/2,z+1/2
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
O(1) .6700(10) .116(2) 1.0236(6)
C(2) .6470(10) .271(3) .9323(8)
C(3) .7500(10) .326(3) .8693(8)
C(4) .9020(10) .225(3) .8913(7)
C(5) .9280(10) .059(2) .9848(7)
C(6) .8140(10) .003(3) 1.0496(8)
C(7) 1.0190(10) .267(3) .8315(7)
C(8) 1.1630(10) .161(3) .8594(8)
H(21) .539(10) .29(3) .923(7)
H(31) .728(10) .44(3) .806(6)
H(71) 1.002(10) .35(3) .768(6)
H(81) 1.258(10) .23(3) .814(6)
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
O(1) C(2) 1.370(10)
C(3) C(4) 1.440(10)
C(4) C(7) 1.370(10)
C(6) C(8') 1.380(10)
O(1) C(6) 1.400(10)
C(4) C(5) 1.420(10)
C(7) C(8) 1.400(10)
C(6') C(8) 1.380(10)
C(2) C(3) 1.310(10)
C(5) C(6) 1.400(10)
C(5) C(5') 1.420(10)
