Effect of Flexible Linker Length in 3,4-Ethylenedioxythiophene Derivatives for Solid State Polymerization
Xia, Jiangbin; Tusy, Chuong; Peng, Kai; Huang, Lili; RSC Adv.  (2015) –; doi:10.1039/C4RA14915G

data_7219289
_publ_section_title
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 Effect of Flexible Linker Length in 3,4-Ethylenedioxythiophene
 Derivatives for Solid State Polymerization
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C4RA14915G
_journal_year                    2015
_chemical_formula_sum            'C18 H24 I2 O4 S2 Si2'
_chemical_formula_weight         678.47
_chemical_name_common
1,2-Bis-(7-iodo-2,3-dihydro-thieno[3,4-b][1,4]dioxin-5-yl)-bis-dimethylsilanyl-methane
_chemical_name_systematic        I2-4-EDOT
_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_block_doi                 10.5517/cc13g51s
_audit_creation_method           SHELXL-97
_audit_update_record
;
2014-09-28 deposited with the CCDC.
2015-01-09 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 96.1820(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.5004(7)
_cell_length_b                   7.2281(3)
_cell_length_c                   19.8464(8)
_cell_measurement_temperature    173(2)
_cell_volume                     2495.86(18)
_computing_cell_refinement       SAINT(Bruker,2013)
_computing_data_collection       APEX2(Bruker,2013)
_computing_data_reduction        APEX2(Bruker,2013)
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'SHELXL-2013 (Sheldrick, 2013)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_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  0.0186
_diffrn_reflns_av_sigmaI/netI    0.0179
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            21533
_diffrn_reflns_theta_full        28.23
_diffrn_reflns_theta_max         28.23
_diffrn_reflns_theta_min         2.95
_exptl_absorpt_coefficient_mu    2.804
_exptl_absorpt_correction_T_max  0.753
_exptl_absorpt_correction_T_min  0.592
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.806
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1320
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.130
_refine_diff_density_min         -0.788
_refine_diff_density_rms         0.077
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.048
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     253
_refine_ls_number_reflns         6120
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.048
_refine_ls_R_factor_all          0.0317
_refine_ls_R_factor_gt           0.0248
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0264P)^2^+2.2885P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0577
_refine_ls_wR_factor_ref         0.0608
_reflns_number_gt                5236
_reflns_number_total             6120
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ra14915g2.cif
_cod_data_source_block           11
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2935 2014-11-11 08:27:57Z andrius 
;
_cod_original_sg_symbol_H-M      p21/c
_cod_database_code               7219289