Benzimidazolium 2-carboxy-4-hydroxybenzenesulfonate trihydrate
Wang, Zi-Liang; Wei, Lin-Heng; Acta Crystallographica Section E 63 (2007) o1448–o1449; doi:10.1107/S1600536807008173

data_2212582
_publ_section_title
;
 Benzimidazolium 2-carboxy-4-hydroxybenzenesulfonate trihydrate
;
_journal_coeditor_code           HB2301
_journal_issue                   3
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1448
_journal_page_last               o1449
_journal_paper_doi               10.1107/S1600536807008173
_journal_volume                  63
_journal_year                    2007
_chemical_formula_iupac          'C7 H7 N2 +, C7 H5 O6 S -, 3H2 O'
_chemical_formula_moiety         'C7 H7 N2 +, C7 H5 O6 S -, 3(H2 O)'
_chemical_formula_sum            'C14 H18 N2 O9 S'
_chemical_formula_weight         390.36
_chemical_name_systematic
;
benzimidazolium 2-carboxy-4-hydroxybenzenesulfonate
trihydrate
;
_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_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 104.4810(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.8416(12)
_cell_length_b                   7.4582(6)
_cell_length_c                   16.9000(14)
_cell_measurement_reflns_used    4489
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      0.00
_cell_measurement_theta_min      0.00
_cell_volume                     1689.2(2)
_computing_cell_refinement       SMART
_computing_data_collection       'SMART (Bruker, 2001)'
_computing_data_reduction        'SAINT-Plus (Bruker, 2001)'
_computing_molecular_graphics    'PLATON (Spek, 2003)'
_computing_publication_material  PLATON
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker SMART APEX CCD area-detector'
_diffrn_measurement_method       \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  0.0651
_diffrn_reflns_av_sigmaI/netI    0.0403
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            13335
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.49
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.245
_exptl_absorpt_correction_T_max  0.9712
_exptl_absorpt_correction_T_min  0.9457
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 2001)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.535
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             816
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.346
_refine_diff_density_min         -0.327
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.005
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     275
_refine_ls_number_reflns         3296
_refine_ls_number_restraints     12
_refine_ls_restrained_S_all      1.005
_refine_ls_R_factor_all          0.0509
_refine_ls_R_factor_gt           0.0421
_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^)+(0.0653P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1030
_refine_ls_wR_factor_ref         0.1074
_reflns_number_gt                2727
_reflns_number_total             3296
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            hb2301.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      'P 21/c'
_cod_database_code               2212582
_cod_database_fobs_code          2212582