Pyridinium 2,2'-dithiodisalicylate
Yao Kang; Rui-Feng Hu; Ye-Yan Qin; Zhao-Ji Li; Yu-Biao Chen; Yi-Hang Wen; Jian-Kai Cheng; Yuan-Gen Yao; Acta Crystallographica Section E 58 (2002) o959–o960; doi:10.1107/S1600536802013545

data_2201659
_publ_section_title
;
 Pyridinium 2,2'-dithiodisalicylate
;
_journal_issue                   8
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o959
_journal_page_last               o960
_journal_paper_doi               10.1107/S1600536802013545
_journal_volume                  58
_journal_year                    2002
_chemical_formula_iupac          '2C5 H6 N1 1+, C14 H8 O4 S2 2-'
_chemical_formula_moiety         '2C5 H6 N1 1+, C14 H8 O4 S2 2-'
_chemical_formula_sum            'C24 H20 N2 O4 S2'
_chemical_formula_weight         464.54
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90
_cell_angle_beta                 96.8820(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.0936(4)
_cell_length_b                   12.9825(6)
_cell_length_c                   21.9157(10)
_cell_measurement_reflns_used    1954
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.04
_cell_measurement_theta_min      1.87
_cell_volume                     2286.20(19)
_computing_cell_refinement       'SMART and SAINT (Siemens, 1994)'
_computing_data_collection       'SMART (Siemens, 1996)'
_computing_data_reduction        'XPREP in SHELXTL (Siemens, 1994)'
_computing_molecular_graphics    SHELXTL
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.974
_diffrn_measured_fraction_theta_max 0.974
_diffrn_measurement_device_type  'Siemens SMART CCD 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  0.0349
_diffrn_reflns_av_sigmaI/netI    0.0442
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            3703
_diffrn_reflns_theta_full        25.04
_diffrn_reflns_theta_max         25.04
_diffrn_reflns_theta_min         1.87
_exptl_absorpt_coefficient_mu    0.266
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.350
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Rectangular
_exptl_crystal_F_000             968
_exptl_crystal_size_max          0.68
_exptl_crystal_size_mid          0.48
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.412
_refine_diff_density_min         -0.290
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.150
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     145
_refine_ls_number_reflns         1980
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.150
_refine_ls_R_factor_all          0.1054
_refine_ls_R_factor_gt           0.0705
_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^)+(0.0504P)^2^+6.9607P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1574
_refine_ls_wR_factor_ref         0.1848
_reflns_number_gt                1406
_reflns_number_total             1980
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            wn6110.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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 'Monoclinic' changed to 'monoclinic'
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_sg_symbol_H-M      'C 2/c'
_cod_database_code               2201659