A bridged low band gap A-D-A quaterthiophene as efficient donor for organic solar cells
Francois Baert; Clement Cabanetos; Antoine Leliege; Eva Kirchner; Olivier Segut; Olivier Aleveque; Magali Allain; Gijun Seo; Sungyeop Jung; Denis Tondelier; Bernard Geffroy; Jean Roncali; Philippe Leriche; Philippe Blanchard; Journal of Materials Chemistry C 3 (2015) 390–398; doi:10.1039/C4TC02212B

data_7233995
_publ_section_title
;
 A bridged low band gap A-D-A quaterthiophene as efficient donor for
 organic solar cells
;
_journal_name_full               'Journal of Materials Chemistry C'
_journal_page_first              390
_journal_page_last               398
_journal_paper_doi               10.1039/C4TC02212B
_journal_volume                  3
_journal_year                    2015
_chemical_formula_moiety         'C29 H18 N4 S4, C H Cl3'
_chemical_formula_sum            'C30 H19 Cl3 N4 S4'
_chemical_formula_weight         670.08
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_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
_cell_angle_alpha                84.474(9)
_cell_angle_beta                 78.079(4)
_cell_angle_gamma                80.66(2)
_cell_formula_units_Z            2
_cell_length_a                   7.7895(8)
_cell_length_b                   11.882(3)
_cell_length_c                   17.8299(6)
_cell_measurement_reflns_used    7703
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.56
_cell_measurement_theta_min      3.21
_cell_volume                     1589.9(4)
_computing_cell_refinement
'Dirax/lsq (Duisenberg & Schreurs, 1989-2000)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction        'EvalCCD (Duisenberg & Schreurs 1990-2000)'
_computing_molecular_graphics    'DIAMOND 3.2i (Crystal Impact GbR 2005)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.99
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       CCD
_diffrn_radiation_monochromator  'horizontally mounted graphite crystal'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0995
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            37540
_diffrn_reflns_theta_full        27
_diffrn_reflns_theta_max         27.56
_diffrn_reflns_theta_min         3.21
_exptl_absorpt_coefficient_mu    0.578
_exptl_absorpt_correction_T_max  0.972
_exptl_absorpt_correction_T_min  0.844
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 '(SADABS (Sheldrick, Bruker, 2008))'
;
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.4
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             684
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.569
_refine_diff_density_min         -0.57
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     378
_refine_ls_number_reflns         7241
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.1666
_refine_ls_R_factor_gt           0.0696
_refine_ls_shift/su_max          0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0745P)^2^+2.2189P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1551
_refine_ls_wR_factor_ref         0.1961
_reflns_number_gt                3982
_reflns_number_total             7241
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            J-Mater-Chem-C-2015-3-390.cif
_cod_data_source_block           1
_cod_database_code               7233995