Solid-state identity of 2-hydroxynicotinic acid and its polymorphism
Long, Sihui; Zhou, Panpan; Theiss, Kathryn L.; Siegler, Maxime A.; Li, Tonglei; CrystEngComm 17 (2015) 5195–; doi:10.1039/C4CE02290D

data_7219236
_publ_section_title
;
 Solid-state identity of 2-hydroxynicotinic acid and its polymorphism
;
_journal_issue                   28
_journal_name_full               CrystEngComm
_journal_page_first              5195
_journal_paper_doi               10.1039/C4CE02290D
_journal_volume                  17
_journal_year                    2015
_chemical_formula_moiety         'C6 H5 N O3'
_chemical_formula_sum            'C6 H5 N O3'
_chemical_formula_weight         139.11
_chemical_name_common            2-ODHPCA
_chemical_name_systematic        '2-oxo-1,2-dihydro-3-pyridinecarboxylic acid'
_space_group_IT_number           14
_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
_audit_update_record
;
2014-11-19 deposited with the CCDC.
2015-01-05 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 109.95(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.773(2)
_cell_length_b                   4.0520(8)
_cell_length_c                   14.993(5)
_cell_measurement_temperature    90(2)
_cell_volume                     558.1(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      90(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_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  0.0448
_diffrn_reflns_av_sigmaI/netI    0.0425
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            2298
_diffrn_reflns_theta_full        27.52
_diffrn_reflns_theta_max         27.52
_diffrn_reflns_theta_min         2.22
_exptl_absorpt_coefficient_mu    0.136
_exptl_absorpt_correction_T_max  0.9933
_exptl_absorpt_correction_T_min  0.8877
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.656
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'long block, needle'
_exptl_crystal_F_000             288
_exptl_crystal_size_max          0.90
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.264
_refine_diff_density_min         -0.231
_refine_diff_density_rms         0.053
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.041
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     92
_refine_ls_number_reflns         1277
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.0479
_refine_ls_R_factor_gt           0.0379
_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^)+(0.0653P)^2^+0.1691P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1102
_refine_ls_wR_factor_ref         0.1165
_reflns_number_gt                1067
_reflns_number_total             1277
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ce02290d1.cif
_cod_data_source_block           IV
_cod_depositor_comments
;
Adding full bibliography for 7219233--7219236.cif.

2018-03-14
Z value changed to be consistent with given formula
                 miguel
;
_cod_original_cell_volume        558.1(2)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_original_formula_units_Z    1
_cod_original_formula_weight     556.44
_cod_database_code               7219236