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_1516670
_publ_section_title
;
 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            'C42 H50 S2 Si2'
_chemical_formula_weight         675.12
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXTL
_cell_angle_alpha                73.889(8)
_cell_angle_beta                 84.135(10)
_cell_angle_gamma                78.229(10)
_cell_formula_units_Z            2
_cell_length_a                   7.4177(10)
_cell_length_b                   14.5332(16)
_cell_length_c                   18.922(2)
_cell_measurement_reflns_used    6106
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      67.44
_cell_measurement_theta_min      2.43
_cell_volume                     1916.3(4)
_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 0.908
_diffrn_measured_fraction_theta_max 0.908
_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           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0398
_diffrn_reflns_av_sigmaI/netI    0.0522
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            12023
_diffrn_reflns_theta_full        57.49
_diffrn_reflns_theta_max         57.49
_diffrn_reflns_theta_min         2.43
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.055
_exptl_absorpt_correction_T_max  0.9601
_exptl_absorpt_correction_T_min  0.7214
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            dark-blue
_exptl_crystal_density_diffrn    1.170
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             724
_exptl_crystal_size_max          0.17
_exptl_crystal_size_mid          0.04
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.400
_refine_diff_density_min         -0.282
_refine_diff_density_rms         0.063
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.021
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     415
_refine_ls_number_reflns         4765
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.021
_refine_ls_R_factor_all          0.0738
_refine_ls_R_factor_gt           0.0530
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0620P)^2^+2.8783P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1247
_refine_ls_wR_factor_ref         0.1356
_reflns_number_gt                3677
_reflns_number_total             4765
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4sc01432d2.cif
_cod_data_source_block           cu_mh117_0m
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/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 

 Adding full bibliography for 1516669--1516674.cif.
;
_cod_original_cell_volume        1916.2(4)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               1516670