Synthesis and Supramolecular Organization of Regioregular Polythiophene Block Oligomers
Sébastien Clément; Franck Meyer; Julien De Winter; Olivier Coulembier; Christophe M. L. Vande Velde; Matthias Zeller; Pascal Gerbaux; Jean-Yves Balandier; Sergey Sergeyev; Roberto Lazzaroni; Yves Geerts; Philippe Dubois; Journal of Organic Chemistry 75 (2010) 1561–1568; doi:10.1021/jo902490m

data_4025262
_publ_section_title
;
 Synthesis and Supramolecular Organization of Regioregular Polythiophene
 Block Oligomers
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              1561
_journal_page_last               1568
_journal_paper_doi               10.1021/jo902490m
_journal_volume                  75
_journal_year                    2010
_chemical_formula_moiety         'C12 H3 Br2 F5 S'
_chemical_formula_sum            'C12 H3 Br2 F5 S'
_chemical_formula_weight         434.02
_chemical_name_common            2,5-dibromo-3-\b-pentafluorostyrylthiophene
_chemical_name_systematic
;
 2,5-dibromo-3-\b-pentafluorostyrylthiophene
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 94.5350(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.2777(6)
_cell_length_b                   13.5284(12)
_cell_length_c                   12.9108(11)
_cell_measurement_reflns_used    4665
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30.87
_cell_measurement_theta_min      2.18
_cell_volume                     1267.16(19)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker SAINT'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Mercury, ORTEP-III for Windows'
_computing_publication_material  'WinGX,PLATON '
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.919
_diffrn_measurement_device_type  'APEXII area detector diffractometer'
_diffrn_measurement_method       \w-scans
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0306
_diffrn_reflns_av_sigmaI/netI    0.0329
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            12355
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         31.49
_diffrn_reflns_theta_min         2.18
_exptl_absorpt_coefficient_mu    6.607
_exptl_absorpt_correction_T_max  0.106
_exptl_absorpt_correction_T_min  0.053
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS-2008/1
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.275
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             824
_exptl_crystal_size_max          0.55
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.34
_refine_diff_density_max         0.662
_refine_diff_density_min         -0.588
_refine_diff_density_rms         0.111
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.063
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     181
_refine_ls_number_reflns         3881
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.063
_refine_ls_R_factor_all          0.0403
_refine_ls_R_factor_gt           0.0304
_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^)+(0.0285P)^2^+1.2345P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0664
_refine_ls_wR_factor_ref         0.0693
_reflns_number_gt                3274
_reflns_number_total             3881
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo902490m_si_002.cif
_cod_data_source_block           3
_cod_database_code               4025262