Synthesis, structures, and properties of unsymmetrical heteroacenes containing both pyrrole and furan rings.
Kawaguchi, Keiko; Nakano, Koji; Nozaki, Kyoko; Organic letters 10 (2008) 1199–1202; doi:10.1021/ol703110g

data_1504561
_publ_section_title
;
 Synthesis, structures, and properties of unsymmetrical heteroacenes
 containing both pyrrole and furan rings.
;
_journal_issue                   6
_journal_name_full               'Organic letters'
_journal_page_first              1199
_journal_page_last               1202
_journal_paper_doi               10.1021/ol703110g
_journal_volume                  10
_journal_year                    2008
_chemical_formula_sum            'C24 H15 N O'
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_symmetry_space_group_name_H-M   'C 1 2/c 1'
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_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.000(3)
_cell_angle_beta                 91.872(3)
_cell_angle_gamma                90.000(3)
_cell_formula_units_Z            8
_cell_length_a                   15.729(7)
_cell_length_b                   7.122(3)
_cell_length_c                   28.174(12)
_cell_measurement_reflns_used    4289
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_cell_measurement_theta_max      27.4835
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_computing_cell_refinement       'RIGAKU CrystalClear'
_computing_data_collection       'RIGAKU CrystalClear'
_computing_data_reduction        'RIGAKU CrystalClear'
_computing_molecular_graphics    ORTEP-III
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    SIR-97
_diffrn_ambient_temperature      103(2)
_diffrn_detector_area_resol_mean 7.31
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'RIGAKU/MSC Meacury CCD'
_diffrn_measurement_method       'omega scans'
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_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
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_diffrn_reflns_limit_k_max       8
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_diffrn_reflns_limit_l_min       -33
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_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         3.01
_exptl_absorpt_coefficient_mu    0.086
_exptl_absorpt_correction_T_max  0.9974
_exptl_absorpt_correction_T_min  0.9585
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.404
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Platelet
_exptl_crystal_F_000             1392
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_refine_ls_extinction_method     none
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_refine_ls_R_factor_all          0.0640
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0305P)^2^+4.7053P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1066
_refine_ls_wR_factor_ref         0.1111
_reflns_number_gt                2407
_reflns_number_total             2777
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol703110g-file003.cif
_cod_data_source_block           Ph-bfc
_cod_depositor_comments
;
The following automatic conversions were performed:
'_atom_site_symetry_multiplicity' tag replaced with
'_atom_site_symmetry_multiplicity'.

Automatic conversion script
Id: cif_correct_tags 1440 2010-10-19 06:21:57Z saulius 

The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        3155(2)
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               1504561