Quinoidal diindenothienoacenes: synthesis and properties of new functional organic materials
Rudebusch, Gabriel E.; Fix, Aaron G.; Henthorn, Hillary A.; Vonnegut, Chris L.; Zakharov, Lev N.; Haley, Michael M.; Chemical Science 5 (2014) 3627–; doi:10.1039/C4SC01432D

data_1517336
_publ_section_title
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 Quinoidal diindenothienoacenes: synthesis and properties of new
 functional organic materials
;
_journal_issue                   9
_journal_name_full               'Chemical Science'
_journal_page_first              3627
_journal_paper_doi               10.1039/C4SC01432D
_journal_volume                  5
_journal_year                    2014
_chemical_formula_sum            'C18 H8 O2 S'
_chemical_formula_weight         288.30
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           29
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2ac'
_symmetry_space_group_name_H-M   'P c a 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXLTL
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.913(6)
_cell_length_b                   11.398(4)
_cell_length_c                   6.921(2)
_cell_measurement_reflns_used    1686
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.81
_cell_measurement_theta_min      3.12
_cell_volume                     1255.3(7)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.964
_diffrn_measured_fraction_theta_max 0.964
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0608
_diffrn_reflns_av_sigmaI/netI    0.0889
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            5496
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.79
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.258
_exptl_absorpt_correction_T_max  0.9797
_exptl_absorpt_correction_T_min  0.9599
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.525
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             592
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.308
_refine_diff_density_min         -0.434
_refine_diff_density_rms         0.073
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.00(15)
_refine_ls_extinction_coef       0.0042(8)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.038
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     191
_refine_ls_number_reflns         2112
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.0960
_refine_ls_R_factor_gt           0.0529
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0453P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1001
_refine_ls_wR_factor_ref         0.1145
_reflns_number_gt                1445
_reflns_number_total             2112
_reflns_threshold_expression     >2sigma(I)
_cod_duplicate_entry             1516673
_cod_data_source_file            c4sc01432d2.cif
_cod_data_source_block           as501
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/usr/data/users/saulius/crontab/automatic-downloads/current/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_cell_volume        1255.4(8)
_cod_original_sg_symbol_H-M      Pca2(1)
_cod_database_code               1517336