Synthesis and investigation of novel thiophene derivatives containing heteroatom linkers for solid state polymerization
Tusy, Chuong; Huang, Lili; Jin, Jingpeng; Xia, Jiangbin; RSC Advances 4 (2014) 8011–; doi:10.1039/c3ra45014g

data_7239336
_publ_section_title
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 Synthesis and investigation of novel thiophene derivatives containing
 heteroatom linkers for solid state polymerization
;
_journal_issue                   16
_journal_name_full               'RSC Advances'
_journal_page_first              8011
_journal_paper_doi               10.1039/c3ra45014g
_journal_volume                  4
_journal_year                    2014
_chemical_formula_sum            'C14 H14 Br2 O4 S2 Si'
_chemical_formula_weight         498.28
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_H-M   'P b c a'
_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                   13.2636(18)
_cell_length_b                   10.1957(13)
_cell_length_c                   27.784(4)
_cell_measurement_reflns_used    3054
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      26.5
_cell_measurement_theta_min      2.42
_cell_volume                     3757.3(9)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0521
_diffrn_reflns_av_sigmaI/netI    0.0399
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       34
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            23315
_diffrn_reflns_theta_full        26.50
_diffrn_reflns_theta_max         26.50
_diffrn_reflns_theta_min         1.47
_exptl_absorpt_coefficient_mu    4.615
_exptl_absorpt_correction_T_max  0.3800
_exptl_absorpt_correction_T_min  0.3479
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_density_diffrn    1.762
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1968
_exptl_crystal_size_max          0.29
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.26
_refine_diff_density_max         0.511
_refine_diff_density_min         -0.458
_refine_diff_density_rms         0.074
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.010
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     210
_refine_ls_number_reflns         3895
_refine_ls_number_restraints     32
_refine_ls_restrained_S_all      1.052
_refine_ls_R_factor_all          0.0982
_refine_ls_R_factor_gt           0.0517
_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^)+(0.0336P)^2^+10.4889P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1038
_refine_ls_wR_factor_ref         0.1223
_reflns_number_gt                2338
_reflns_number_total             3895
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ra45014g.txt
_cod_data_source_block           9130327hll_0m
_cod_depositor_comments
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The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Orthorhombic' was changed
to 'orthorhombic' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/RSC/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
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_cod_original_sg_symbol_H-M      Pbca
_cod_database_code               7239336