6,6'-Dihydroxy-3,3'-dithiodibenzoic acid
Sun, Shu-Wen; Zhou, Fu-Lin; Wang, Gao-Feng; Cui, Gui-Hua; Acta Crystallographica Section E 65 (2009) o1701–; doi:10.1107/S1600536809023757

data_2222414
_publ_section_title
;
 6,6'-Dihydroxy-3,3'-dithiodibenzoic acid
;
_journal_coeditor_code           NG2599
_journal_issue                   7
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1701
_journal_paper_doi               10.1107/S1600536809023757
_journal_volume                  65
_journal_year                    2009
_chemical_formula_iupac          'C14 H10 O6 S2'
_chemical_formula_moiety         'C14 H10 O6 S2'
_chemical_formula_sum            'C14 H10 O6 S2'
_chemical_formula_weight         338.34
_chemical_melting_point          523
_chemical_name_common            '5,5'-dithiodisalicylic acid'
_chemical_name_systematic
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6,6'-Dihydroxy-3,3'-dithiodibenzoic acid
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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            4
_cell_length_a                   5.3065(6)
_cell_length_b                   11.1657(13)
_cell_length_c                   23.906(2)
_cell_measurement_reflns_used    2489
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      25.478
_cell_measurement_theta_min      2.498
_cell_volume                     1416.4(3)
_computing_cell_refinement       'SAINT (Bruker, 2004)'
_computing_data_collection       'SMART (Bruker, 2004)'
_computing_data_reduction        'SAINT (Bruker, 2004)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker SMART area-detector'
_diffrn_measurement_method       '\f and \w'
_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  0.0428
_diffrn_reflns_av_sigmaI/netI    0.0516
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            6436
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         1.70
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 100
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.403
_exptl_absorpt_correction_T_max  0.9458
_exptl_absorpt_correction_T_min  0.9095
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.587
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             696
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.401
_refine_diff_density_min         -0.282
_refine_ls_abs_structure_details 'Flack (1983), 1007 Friedel pairs'
_refine_ls_abs_structure_Flack   0.49(13)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.087
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     211
_refine_ls_number_reflns         2502
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      1.086
_refine_ls_R_factor_all          0.0591
_refine_ls_R_factor_gt           0.0448
_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^)+(0.0345P)^2^+0.9484P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0959
_refine_ls_wR_factor_ref         0.1027
_reflns_number_gt                2060
_reflns_number_total             2502
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ng2599.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
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:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        1416.5(3)
_cod_database_code               2222414
_cod_database_fobs_code          2222414