A combined substituent and supramolecular approach for improving the electron donor properties of 1,3-dithiole-2-thione derivatives
Tahir Khan; Joseph J. W. McDouall; Eric J. L. McInnes; Peter J. Skabara; Pierre Frère; Simon J. Coles; Michael B. Hursthouse; J. Mater. Chem. 13 (2003) 2490–2498; doi:10.1039/b307025e

data_7204713
_publ_section_title
;
 A combined substituent and supramolecular approach for improving the
 electron donor properties of 1,3-dithiole-2-thione derivatives
;
_journal_issue                   10
_journal_name_full               'J. Mater. Chem.'
_journal_page_first              2490
_journal_page_last               2498
_journal_paper_doi               10.1039/b307025e
_journal_volume                  13
_journal_year                    2003
_chemical_formula_sum            'C21 H18 O6 S2'
_chemical_formula_weight         430.47
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                94.82(3)
_cell_angle_beta                 111.22(3)
_cell_angle_gamma                107.38(3)
_cell_formula_units_Z            2
_cell_length_a                   9.913(2)
_cell_length_b                   10.263(2)
_cell_length_c                   10.766(2)
_cell_measurement_reflns_used    10790
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.49
_cell_measurement_theta_min      2.96
_cell_volume                     951.4(5)
_computing_cell_refinement       'DENZO, COLLECT'
_computing_data_reduction        'DENZO, COLLECT'
_computing_molecular_graphics    'CAMERON (Watkin, Pearce 1995)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.975
_diffrn_measured_fraction_theta_max 0.975
_diffrn_measurement_device_type  'Nonius KappaCCD Area Detector'
_diffrn_measurement_method       'Phi and Omega scans to fill Ewald Sphere'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Nonius FR591 rotating anode'
_diffrn_radiation_type           MoK\a
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_diffrn_reflns_av_sigmaI/netI    0.0670
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            10790
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         2.96
_exptl_absorpt_coefficient_mu    0.318
_exptl_absorpt_correction_T_max  0.994
_exptl_absorpt_correction_T_min  0.962
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.503
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             448
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.466
_refine_diff_density_min         -0.281
_refine_diff_density_rms         0.061
_refine_ls_extinction_method     none
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_refine_ls_number_restraints     0
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_refine_ls_R_factor_all          0.0769
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_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1183
_refine_ls_wR_factor_ref         0.1416
_reflns_number_gt                2988
_reflns_number_total             4254
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b307025e.txt
_cod_data_source_block           compound_8d
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_exptl_absorpt_correction_type' tag value 'multi-scans' was replaced
with 'multi-scan' value.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_original_cell_volume        951.4(3)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7204713