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#$Date: 2025-08-21 03:19:08 +0300 (Thu, 21 Aug 2025) $
#$Revision: 301842 $
#$URL: file:///home/coder/svn-repositories/cod/cif/4/50/70/4507042.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/
#
# All data on this site have been placed in the public domain by the
# contributors.
#
data_4507042
loop_
_publ_author_name
'Stilinović, Vladimir'
'Kaitner, Branko'
_publ_section_title
;
 Salts and Co-Crystals of Gentisic Acid with Pyridine Derivatives: The
 Effect of Proton Transfer on the Crystal Packing (and Vice Versa)
;
_journal_issue                   11
_journal_name_full               'Crystal Growth & Design'
_journal_page_first              5763
_journal_paper_doi               10.1021/cg301267h
_journal_volume                  12
_journal_year                    2012
_chemical_formula_moiety         'C7 H5 O4, C8 H12 N'
_chemical_formula_sum            'C15 H17 N O4'
_chemical_formula_weight         275.3
_chemical_name_systematic
;
2,4,6-trimethylpyridinium 2,5-dihydroxybenzoate
;
_space_group_IT_number           9
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2012-07-10T12:33:51-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 93.131(12)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.0799(7)
_cell_length_b                   13.7595(12)
_cell_length_c                   11.664(3)
_cell_measurement_reflns_used    165
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      52.0
_cell_measurement_theta_min      4.6
_cell_volume                     1455.1(4)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      295(2)
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type
;
Oxford Diffraction Xcalibur CCD
diffractometer
;
_diffrn_measurement_method       'ω scan'
_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  0.0163
_diffrn_reflns_av_unetI/netI     0.0334
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -7
_diffrn_reflns_number            3184
_diffrn_reflns_theta_full        27
_diffrn_reflns_theta_max         27
_diffrn_reflns_theta_min         4.51
_diffrn_standards_number         27
_exptl_absorpt_coefficient_mu    0.091
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.257
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             584
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.09
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.125
_refine_diff_density_min         -0.151
_refine_diff_density_rms         0.035
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.901
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     196
_refine_ls_number_reflns         2115
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      0.901
_refine_ls_R_factor_all          0.0515
_refine_ls_R_factor_gt           0.0357
_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[σ²(Fo²)+(0.0552P)²+0.0000P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0823
_refine_ls_wR_factor_ref         0.0859
_reflns_number_gt                1525
_reflns_number_total             2115
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg301267h_si_002.cif
_cod_data_source_block           6H_gent
_cod_original_sg_symbol_H-M      'C c'
_cod_database_code               4507042
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'x, -y, z+1/2'
'x+1/2, y+1/2, z'
'x+1/2, -y+1/2, z+1/2'
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_adp_type
_atom_site_occupancy
_atom_site_symmetry_multiplicity
_atom_site_calc_flag
_atom_site_refinement_flags
O2 O 0.06881(19) 0.23036(11) 0.13178(17) 0.0754(5) Uani 1 1 d .
O1 O 0.2239(2) 0.20709(10) 0.28265(15) 0.0644(5) Uani 1 1 d .
O4 O 0.4637(2) -0.10856(14) 0.2158(2) 0.0943(8) Uani 1 1 d D
O3 O 0.0444(2) 0.10542(15) -0.0282(2) 0.0785(6) Uani 1 1 d .
N1 N 0.2506(3) 0.39523(12) 0.3354(2) 0.0485(4) Uani 1 1 d .
C9 C 0.3304(3) 0.54490(17) 0.2708(3) 0.0699(8) Uani 1 1 d .
H9 H 0.3848 0.5813 0.2209 0.084 Uiso 1 1 calc R
C4 C 0.2985(2) -0.08832(15) 0.0485(2) 0.0507(6) Uani 1 1 d .
H4 H 0.3279 -0.1473 0.0183 0.061 Uiso 1 1 calc R
C7 C 0.1660(2) 0.18134(14) 0.1881(2) 0.0479(5) Uani 1 1 d .
C1 C 0.2112(2) 0.08701(15) 0.13780(19) 0.0403(5) Uani 1 1 d .
C12 C 0.1722(3) 0.43634(17) 0.4160(2) 0.0562(6) Uani 1 1 d .
C3 C 0.1946(3) -0.03327(15) -0.0111(2) 0.0539(6) Uani 1 1 d .
H3 H 0.1543 -0.055 -0.0815 0.065 Uiso 1 1 calc R
C6 C 0.3164(3) 0.03052(15) 0.19607(19) 0.0446(5) Uani 1 1 d .
H6 H 0.3587 0.052 0.2659 0.054 Uiso 1 1 calc R
C13 C 0.4177(3) 0.3897(2) 0.1813(3) 0.0804(9) Uani 1 1 d .
H13A H 0.5066 0.366 0.22 0.121 Uiso 1 1 calc R
H13B H 0.4425 0.4311 0.1189 0.121 Uiso 1 1 calc R
H13C H 0.3601 0.3358 0.1519 0.121 Uiso 1 1 calc R
C15 C 0.0864(4) 0.3713(2) 0.4887(3) 0.0860(10) Uani 1 1 d .
H15A H -0.0171 0.3822 0.4727 0.129 Uiso 1 1 calc R
H15B H 0.1113 0.3847 0.5682 0.129 Uiso 1 1 calc R
H15C H 0.1096 0.3048 0.4722 0.129 Uiso 1 1 calc R
C8 C 0.3312(3) 0.44579(15) 0.2634(2) 0.0550(6) Uani 1 1 d .
C5 C 0.3595(3) -0.05727(14) 0.1521(2) 0.0509(6) Uani 1 1 d .
C2 C 0.1491(2) 0.05452(14) 0.0328(2) 0.0478(6) Uani 1 1 d .
C11 C 0.1735(3) 0.53538(19) 0.4241(3) 0.0718(9) Uani 1 1 d .
H11 H 0.1212 0.5655 0.4804 0.086 Uiso 1 1 calc R
C10 C 0.2510(4) 0.59134(17) 0.3503(4) 0.0776(7) Uani 1 1 d .
C14 C 0.2459(6) 0.70047(18) 0.3568(5) 0.1387(15) Uani 1 1 d .
H14A H 0.1557 0.7203 0.3893 0.208 Uiso 1 1 calc R
H14B H 0.2503 0.7272 0.281 0.208 Uiso 1 1 calc R
H14C H 0.3283 0.7235 0.4042 0.208 Uiso 1 1 calc R
H1N H 0.231(3) 0.3297(16) 0.328(2) 0.056(6) Uiso 1 1 d .
H2O H 0.490(5) -0.166(2) 0.189(4) 0.152(15) Uiso 1 1 d D
H1O H 0.018(3) 0.156(2) 0.014(3) 0.071(9) Uiso 1 1 d .
loop_
_atom_type_symbol
_atom_type_description
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
C C 0.0033 0.0016 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
H H 0 0 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
N N 0.0061 0.0033 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
O O 0.0106 0.006 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
loop_
_geom_angle_atom_site_label_1
_geom_angle_atom_site_label_2
_geom_angle_atom_site_label_3
_geom_angle
C5 O4 H2O 117(3)
C2 O3 H1O 108.7(18)
C12 N1 C8 123.53(17)
C12 N1 H1N 111.8(16)
C8 N1 H1N 124.0(16)
C10 C9 C8 121.0(3)
C10 C9 H9 119.5
C8 C9 H9 119.5
C3 C4 C5 120.61(19)
C3 C4 H4 119.7
C5 C4 H4 119.7
O1 C7 O2 123.78(18)
O1 C7 C1 118.95(19)
O2 C7 C1 117.3(2)
C6 C1 C2 119.18(18)
C6 C1 C7 119.6(2)
C2 C1 C7 121.2(2)
N1 C12 C11 117.9(2)
N1 C12 C15 117.6(2)
C11 C12 C15 124.5(3)
C4 C3 C2 120.4(2)
C4 C3 H3 119.8
C2 C3 H3 119.8
C5 C6 C1 120.9(2)
C5 C6 H6 119.6
C1 C6 H6 119.6
C8 C13 H13A 109.5
C8 C13 H13B 109.5
H13A C13 H13B 109.5
C8 C13 H13C 109.5
H13A C13 H13C 109.5
H13B C13 H13C 109.5
C12 C15 H15A 109.5
C12 C15 H15B 109.5
H15A C15 H15B 109.5
C12 C15 H15C 109.5
H15A C15 H15C 109.5
H15B C15 H15C 109.5
N1 C8 C9 118.3(2)
N1 C8 C13 117.4(2)
C9 C8 C13 124.3(3)
O4 C5 C4 123.6(2)
O4 C5 C6 116.9(2)
C4 C5 C6 119.5(2)
O3 C2 C3 118.2(2)
O3 C2 C1 122.4(2)
C3 C2 C1 119.4(2)
C12 C11 C10 121.2(3)
C12 C11 H11 119.4
C10 C11 H11 119.4
C9 C10 C11 118.0(2)
C9 C10 C14 121.4(4)
C11 C10 C14 120.6(4)
C10 C14 H14A 109.5
C10 C14 H14B 109.5
H14A C14 H14B 109.5
C10 C14 H14C 109.5
H14A C14 H14C 109.5
H14B C14 H14C 109.5
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
O2 C7 1.266(3)
O1 C7 1.247(3)
O4 C5 1.367(3)
O4 H2O 0.89(3)
O3 C2 1.352(3)
O3 H1O 0.89(3)
N1 C12 1.336(3)
N1 C8 1.339(3)
N1 H1N 0.92(2)
C9 C10 1.364(4)
C9 C8 1.367(3)
C9 H9 0.93
C4 C3 1.369(3)
C4 C5 1.370(3)
C4 H4 0.93
C7 C1 1.491(3)
C1 C6 1.381(3)
C1 C2 1.393(3)
C12 C11 1.366(3)
C12 C15 1.482(4)
C3 C2 1.384(3)
C3 H3 0.93
C6 C5 1.378(3)
C6 H6 0.93
C13 C8 1.487(4)
C13 H13A 0.96
C13 H13B 0.96
C13 H13C 0.96
C15 H15A 0.96
C15 H15B 0.96
C15 H15C 0.96
C11 C10 1.376(5)
C11 H11 0.93
C10 C14 1.504(3)
C14 H14A 0.96
C14 H14B 0.96
C14 H14C 0.96
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 PubChem 139146285
