2,5-bis(Arylethynyl)thienyl systems: Preparation and photophysical properties. Part II
Coombs, Benjamin A.; Rutter, Simon R.; Goeta, Andrés E.; Sparkes, Hazel A.; Batsanov, Andrei S.; Beeby, Andrew; RSC Advances 2 (2012) 1870–; doi:10.1039/c1ra00728a

data_7238456
_publ_section_title
;
 2,5-bis(Arylethynyl)thienyl systems: Preparation and photophysical
 properties. Part II
;
_journal_issue                   5
_journal_name_full               'RSC Advances'
_journal_page_first              1870
_journal_paper_doi               10.1039/c1ra00728a
_journal_volume                  2
_journal_year                    2012
_chemical_formula_sum            'C20 H12 O2 S'
_chemical_formula_weight         316.36
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 109.7410(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.1518(4)
_cell_length_b                   6.29430(10)
_cell_length_c                   18.7696(5)
_cell_measurement_reflns_used    2953
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      60.33
_cell_measurement_theta_min      3.318
_cell_volume                     1573.65(7)
_computing_cell_refinement       'SAINT V6.45A (Bruker, 2003)'
_computing_data_collection       'SMART V5.63 (Bruker, 2003)'
_computing_data_reduction        'SAINT V6.45A (Bruker, 2003)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.904
_diffrn_measured_fraction_theta_max 0.904
_diffrn_measurement_device_type  'Bruker SMART 6K CCD area detector'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0470
_diffrn_reflns_av_sigmaI/netI    0.0580
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            5822
_diffrn_reflns_theta_full        60.54
_diffrn_reflns_theta_max         60.54
_diffrn_reflns_theta_min         3.32
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.877
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.456
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS v.2.10 (Bruker,2003) was used for absorption correction.
R(int) was 0.1276 before and 0.0482 after correction.
The Ratio of minimum to maximum transmission is 0.456.
The \l/2 correction factor is 0.0000
;
_exptl_crystal_density_diffrn    1.335
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       parallelepiped
_exptl_crystal_F_000             656
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.871
_refine_diff_density_min         -0.511
_refine_diff_density_rms         0.092
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.049
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     244
_refine_ls_number_reflns         2146
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.049
_refine_ls_R_factor_all          0.0719
_refine_ls_R_factor_gt           0.0633
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1360P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1693
_refine_ls_wR_factor_ref         0.1815
_reflns_number_gt                1774
_reflns_number_total             2146
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1ra00728a.txt
_cod_data_source_block           06srv345
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7238456