Synthesis and Isomeric Effects of Ladder-Type Alkylated Terbenzodithiophene Derivatives.
Chen, Yung-Lung; Hsu, Jhih-Yang; Lin, Fang-Yu; Lai, Yu-Ying; Chou, Hsiao-Chieh; Cheng, Yen-Ju; The Journal of organic chemistry 81 (2016) 2534–2542; doi:10.1021/acs.joc.6b00101

data_4036627
_publ_section_title
;
 Synthesis and Isomeric Effects of Ladder-Type Alkylated
 Terbenzodithiophene Derivatives.
;
_journal_issue                   6
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              2534
_journal_page_last               2542
_journal_paper_doi               10.1021/acs.joc.6b00101
_journal_volume                  81
_journal_year                    2016
_chemical_formula_sum            'C42 H50 S4'
_chemical_formula_weight         683.06
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/6
_cell_angle_alpha                90
_cell_angle_beta                 106.940(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   37.458(2)
_cell_length_b                   5.4399(3)
_cell_length_c                   17.8501(7)
_cell_measurement_reflns_used    3403
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      66.6314
_cell_measurement_theta_min      2.4662
_cell_volume                     3479.5(3)
_computing_cell_refinement       'SAINT V8.34A (Bruker AXS Inc., 2013)'
_computing_data_collection       'APEX2 (Bruker AXS, 2010)'
_computing_data_reduction        'SAINT V8.34A (Bruker AXS Inc., 2013)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL-2014/6 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.977
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0587
_diffrn_reflns_av_unetI/netI     0.0640
_diffrn_reflns_Laue_measured_fraction_full 0.977
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       44
_diffrn_reflns_limit_h_min       -44
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            12013
_diffrn_reflns_point_group_measured_fraction_full 0.977
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         66.633
_diffrn_reflns_theta_min         2.466
_exptl_absorpt_coefficient_mu    2.723
_exptl_absorpt_correction_T_max  0.9492
_exptl_absorpt_correction_T_min  0.6812
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2014/4 (Bruker AXS Inc.)'
_exptl_crystal_colour            'Pale Yellow'
_exptl_crystal_density_diffrn    1.304
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Lamellar
_exptl_crystal_F_000             1464
_exptl_crystal_size_max          0.08
_exptl_crystal_size_mid          0.04
_exptl_crystal_size_min          0.01
_refine_diff_density_max         1.119
_refine_diff_density_min         -0.315
_refine_diff_density_rms         0.106
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     209
_refine_ls_number_reflns         3084
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.027
_refine_ls_R_factor_all          0.1029
_refine_ls_R_factor_gt           0.0814
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1641P)^2^+0.6175P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2153
_refine_ls_wR_factor_ref         0.2360
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2237
_reflns_number_total             3084
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo6b00101_si_002.cif
_cod_data_source_block           cu_150428lt_0m
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_crystal_density_meas' value 'not measured' was
changed to '?' -- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_cell_volume        3479.4(3)
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               4036627
_shelxl_version_number           2014/6
_shelx_res_checksum              87653
_shelx_hkl_checksum              66634