3-Hydroxypyridinium 1-carboxybenzene-3-carboxylate
Cong Liu; Jian-Ge Wang; Li Qu; Di Zhang; Jing-Cai Yao; Acta Crystallographica Section E 63 (2007) o2535–o2536; doi:10.1107/S1600536807016856

data_2213588
_publ_section_title
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 3-Hydroxypyridinium 1-carboxybenzene-3-carboxylate
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_journal_coeditor_code           TK2142
_journal_issue                   5
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2535
_journal_page_last               o2536
_journal_paper_doi               10.1107/S1600536807016856
_journal_volume                  63
_journal_year                    2007
_chemical_formula_iupac          'C5 H6 N O +, C8 H5 O4 -'
_chemical_formula_moiety         'C5 H6 N O +, C8 H5 O4 -'
_chemical_formula_sum            'C13 H11 N O5'
_chemical_formula_weight         261.23
_chemical_name_systematic
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3-Hydroxypyridinium 1-carboxybenzene-3-carboxylate
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 99.963(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.2943(17)
_cell_length_b                   10.9947(18)
_cell_length_c                   10.4059(17)
_cell_measurement_reflns_used    1325
_cell_measurement_temperature    291(2)
_cell_measurement_theta_max      21.7
_cell_measurement_theta_min      2.6
_cell_volume                     1160.0(3)
_computing_cell_refinement       'SAINT (Bruker, 2004)'
_computing_data_collection       'SMART (Bruker, 2004)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'SHELXTL (Bruker, 2004)'
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      291(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker 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  0.045
_diffrn_reflns_av_sigmaI/netI    0.040
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            8655
_diffrn_reflns_theta_full        25.5
_diffrn_reflns_theta_max         25.5
_diffrn_reflns_theta_min         2.6
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.117
_exptl_absorpt_correction_T_max  0.990
_exptl_absorpt_correction_T_min  0.971
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.496
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             544
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.15
_refine_diff_density_min         -0.23
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.03
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     174
_refine_ls_number_reflns         2160
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.03
_refine_ls_R_factor_all          0.078
_refine_ls_R_factor_gt           0.042
_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^)+(0.0579P)^2^+0.0997P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.102
_refine_ls_wR_factor_ref         0.123
_reflns_number_gt                1337
_reflns_number_total             2160
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            tk2142.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/n'
_cod_database_code               2213588
_cod_database_fobs_code          2213588