Direct access to thieno[3,4-b]thiophenes via elemental sulfur-promoted sulfurative tetramerization of acetophenones
Nguyen, Thanh Binh; Retailleau, Pascal; Chemical Communications  (2022) –; doi:10.1039/D2CC05539B

data_7130982
_publ_section_title
;
 Direct access to thieno[3,4-b]thiophenes via elemental sulfur-promoted
 sulfurative tetramerization of acetophenones
;
_journal_name_full               'Chemical Communications'
_journal_paper_doi               10.1039/D2CC05539B
_journal_year                    2022
_chemical_formula_moiety         'C36 H16 N4 O2 S2, C D Cl3'
_chemical_formula_sum            'C37 H16 Cl3 D N4 O2 S2'
_chemical_formula_weight         721.01
_chemical_name_systematic
"'4,4'-(2,4-bis(4-cyanobenzoyl)thieno[3,4-b]thiophene-3,6-diyl)dibenzonitrile deuterated chloroform solvate'"
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     other
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2022-08-03 deposited with the CCDC.	2022-11-08 downloaded from the CCDC.
;
_cell_angle_alpha                77.294(6)
_cell_angle_beta                 83.420(7)
_cell_angle_gamma                74.234(6)
_cell_formula_units_Z            2
_cell_length_a                   11.4125(9)
_cell_length_b                   12.1675(8)
_cell_length_c                   12.9619(10)
_cell_measurement_reflns_used    4312
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      21.9480
_cell_measurement_theta_min      3.3470
_cell_volume                     1686.9(2)
_computing_cell_refinement       'CrysAlisPro 1.171.42.64a (Rigaku OD, 2022)'
_computing_data_collection       'CrysAlisPro 1.171.42.64a (Rigaku OD, 2022)'
_computing_data_reduction        'CrysAlisPro 1.171.42.64a (Rigaku OD, 2022)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector                 'Hybrid Pixel Array Detector'
_diffrn_detector_area_resol_mean 5.8140
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'XtaLAB AFC12 (RINC): Kappa single'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0600
_diffrn_reflns_av_unetI/netI     0.0428
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            21940
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        23.012
_diffrn_reflns_theta_max         23.012
_diffrn_reflns_theta_min         2.459
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'Rigaku (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.436
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.584
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.42.64a (Rigaku Oxford Diffraction, 2022)
Numerical absorption correction based on gaussian integration over
a multifaceted crystal model
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.418
_exptl_crystal_description       prism
_exptl_crystal_F_000             732
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: deuterated chloroform'
_exptl_crystal_size_max          0.170
_exptl_crystal_size_mid          0.110
_exptl_crystal_size_min          0.070
_refine_diff_density_max         0.739
_refine_diff_density_min         -0.417
_refine_diff_density_rms         0.074
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.110
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     470
_refine_ls_number_reflns         4706
_refine_ls_number_restraints     54
_refine_ls_restrained_S_all      1.116
_refine_ls_R_factor_all          0.1254
_refine_ls_R_factor_gt           0.0753
_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^)+(0.0539P)^2^+5.7455P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1754
_refine_ls_wR_factor_ref         0.2196
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3065
_reflns_number_total             4707
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2cc05539b2.cif
_cod_data_source_block           B14319F2
_cod_original_formula_sum        'C37 H16 D1 Cl3 N4 O2 S2'
_cod_database_code               7130982
_shelx_estimated_absorpt_t_min   0.930
_shelx_estimated_absorpt_t_max   0.970
_shelx_res_checksum              92869
_shelx_hkl_checksum              93849