Thiophene-Fused π-Systems from Diarylacetylenes and Elemental Sulfur.
Meng, Lingkui; Fujikawa, Takao; Kuwayama, Motonobu; Segawa, Yasutomo; Itami, Kenichiro; Journal of the American Chemical Society 138 (2016) 10351–10355; doi:10.1021/jacs.6b06486

data_4130763
_publ_section_title
;
 Thiophene-Fused \p-Systems from Diarylacetylenes and Elemental Sulfur.
;
_journal_issue                   32
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              10351
_journal_page_last               10355
_journal_paper_doi               10.1021/jacs.6b06486
_journal_volume                  138
_journal_year                    2016
_chemical_formula_sum            'C34 H32 S2'
_chemical_formula_weight         504.71
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 103.491(5)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   19.7473(10)
_cell_length_b                   5.6750(2)
_cell_length_c                   23.7866(11)
_cell_measurement_reflns_used    2934
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      27.0100
_cell_measurement_theta_min      2.5990
_cell_volume                     2592.1(2)
_computing_cell_refinement       'CrysAlisPro 1.171.38.41 (Rigaku OD, 2015)'
_computing_data_collection       'CrysAlisPro 1.171.38.41 (Rigaku OD, 2015)'
_computing_data_reduction        'CrysAlisPro 1.171.38.41 (Rigaku OD, 2015)'
_computing_molecular_graphics    'Yadokari-XG 2009 (Wakita Nemoto et al., 2009)'
_computing_publication_material  'Yadokari-XG 2009 (Wakita,Nemoto et al., 2009)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    SIR-97
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type
'dtrek-CrysAlisPro-abstract goniometer imported rigaku-d*trek images'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0625
_diffrn_reflns_av_unetI/netI     0.0865
_diffrn_reflns_Laue_measured_fraction_full 0.987
_diffrn_reflns_Laue_measured_fraction_max 0.987
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            14632
_diffrn_reflns_point_group_measured_fraction_full 0.987
_diffrn_reflns_point_group_measured_fraction_max 0.987
_diffrn_reflns_theta_full        24.999
_diffrn_reflns_theta_max         24.999
_diffrn_reflns_theta_min         1.761
_diffrn_source                   'fine-focus sealed X-ray tube'
_exptl_absorpt_coefficient_mu    0.228
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.66941
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.38.41 (Rigaku Oxford Diffraction, 2015)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.293
_exptl_crystal_description       Block
_exptl_crystal_F_000             1072
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.02
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.532
_refine_diff_density_min         -0.513
_refine_diff_density_rms         0.196
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.035
_refine_ls_matrix_type           full
_refine_ls_number_parameters     327
_refine_ls_number_reflns         4495
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.035
_refine_ls_R_factor_all          0.1026
_refine_ls_R_factor_gt           0.0538
_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^)+(0.0899P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1305
_refine_ls_wR_factor_ref         0.1677
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2900
_reflns_number_total             4495
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja6b06486_si_004.cif
_cod_data_source_block           2j
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4130763
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.967
_shelx_estimated_absorpt_t_max   0.995
_shelx_res_checksum              55778
_shelx_hkl_checksum              88842