Indeno[2,1-c]fluorene: a new electron-accepting scaffold for organic electronics.
Fix, Aaron G.; Deal, Parker E.; Vonnegut, Chris L.; Rose, Bradley D.; Zakharov, Lev N.; Haley, Michael M.; Organic letters 15 (2013) 1362–1365; doi:10.1021/ol400318z

data_1511876
_publ_section_title
;
 Indeno[2,1-c]fluorene: a new electron-accepting scaffold for organic
 electronics.
;
_journal_issue                   6
_journal_name_full               'Organic letters'
_journal_page_first              1362
_journal_page_last               1365
_journal_paper_doi               10.1021/ol400318z
_journal_volume                  15
_journal_year                    2013
_chemical_formula_sum            'C38 H32'
_chemical_formula_weight         488.64
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           33
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_symmetry_space_group_name_Hall  'P 2c -2n'
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_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
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_cell_angle_gamma                90.00
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_cell_length_a                   29.183(3)
_cell_length_b                   9.2281(11)
_cell_length_c                   20.653(2)
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_cell_measurement_temperature    193(2)
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_cell_volume                     5561.9(10)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker SMART'
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_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
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_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      193(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker Apex CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
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_exptl_absorpt_coefficient_mu    0.066
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_exptl_absorpt_correction_T_min  0.9704
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            dark-green
_exptl_crystal_density_diffrn    1.167
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2080
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_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0609P)^2^+0.7294P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_cell_volume        5561.8(11)
_cod_original_sg_symbol_H-M      Pna2(1)
_cod_database_code               1511876