Synthesis and characterization of fused pyrrolo[3,2-d:4,5-d']bisthiazole-containing polymers.
Al-Hashimi, Mohammed; Labram, John G.; Watkins, Scott; Motevalli, Majid; Anthopoulos, Thomas D.; Heeney, Martin; Organic letters 12 (2010) 5478–5481; doi:10.1021/ol102344m

data_1503308
_publ_section_title
;
 Synthesis and characterization of fused
 pyrrolo[3,2-d:4,5-d']bisthiazole-containing polymers.
;
_journal_issue                   23
_journal_name_full               'Organic letters'
_journal_page_first              5478
_journal_page_last               5481
_journal_paper_doi               10.1021/ol102344m
_journal_volume                  12
_journal_year                    2010
_chemical_formula_moiety         'C12 H18 Br2 N2 S2 Si2'
_chemical_formula_sum            'C12 H18 Br2 N2 S2 Si2'
_chemical_formula_weight         470.40
_space_group_IT_number           86
_symmetry_cell_setting           tetragonal
_symmetry_Int_Tables_number      86
_symmetry_space_group_name_Hall  '-P 4bc'
_symmetry_space_group_name_H-M   'P 42/n :2'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   23.9704(10)
_cell_length_b                   23.9704(10)
_cell_length_c                   6.9043(5)
_cell_measurement_reflns_used    51623
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.91
_cell_volume                     3967.1(4)
_computing_cell_refinement
'DENZO (Otwinowski & Minor, 1997) & COLLECT (Hooft, R.W.W., 1998)'
_computing_data_collection       'COLLECT (Hooft, R.W.W., 1998)'
_computing_data_reduction
'DENZO (Otwinowski & Minor, 1997) & COLLECT (Hooft, R.W.W., 1998)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.984
_diffrn_measurement_device_type
'Bruker-Nonius Roper CCD camera on \k-goniostat'
_diffrn_measurement_method       '\f & \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Bruker-Nonius FR591 rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1533
_diffrn_reflns_av_sigmaI/netI    0.1408
_diffrn_reflns_limit_h_max       31
_diffrn_reflns_limit_h_min       -30
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -29
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            25706
_diffrn_reflns_theta_full        27.64
_diffrn_reflns_theta_max         27.64
_diffrn_reflns_theta_min         3.19
_exptl_absorpt_coefficient_mu    4.411
_exptl_absorpt_correction_T_max  0.9170
_exptl_absorpt_correction_T_min  0.5210
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS 2007/2 (Sheldrick, G.M., 2007)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.575
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1872
_exptl_crystal_size_max          0.17
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.515
_refine_diff_density_min         -0.550
_refine_diff_density_rms         0.123
_refine_ls_extinction_coef       0.00035(12)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.018
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     188
_refine_ls_number_reflns         4542
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.018
_refine_ls_R_factor_all          0.1538
_refine_ls_R_factor_gt           0.0624
_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^)+(0.0360P)^2^+0.8983P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0994
_refine_ls_wR_factor_ref         0.1206
_reflns_number_gt                2356
_reflns_number_total             4542
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            ol102344m_si_002.cif
_cod_data_source_block           ma-1415
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      'P 42/n'
_cod_database_code               1503308