Solvates of selected fenamic acids with substituted pyridines: structure, thermal stability and desolvation
Bouanga Boudiombo, Jacky S.; Jacobs, Ayesha; Acta Crystallographica Section B 72 (2016) 836–845; doi:10.1107/S2052520616014128

data_2107998
_publ_section_title
;
 Solvates of selected fenamic acids with substituted pyridines: structure,
 thermal stability and desolvation
;
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              836
_journal_page_last               845
_journal_paper_doi               10.1107/S2052520616014128
_journal_volume                  72
_journal_year                    2016
_chemical_formula_sum            'C21 H22 N2 O2'
_chemical_formula_weight         334.41
_chemical_name_systematic
;
 2-(2,3-dimethylphenyl)aminobenzoic acid 3-methylpyridine solvate
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                78.9570(10)
_cell_angle_beta                 83.673(2)
_cell_angle_gamma                65.0940(10)
_cell_formula_units_Z            2
_cell_length_a                   7.6738(6)
_cell_length_b                   7.7598(6)
_cell_length_c                   16.2725(12)
_cell_measurement_reflns_used    20017
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      28.44
_cell_measurement_theta_min      2.56
_cell_volume                     862.12(11)
_computing_cell_refinement       'SAINT-Plus (Bruker, 2004)'
_computing_data_collection       'APEX2 (Bruker, 2005)'
_computing_data_reduction        'SAINT-Plus and XPREP (Bruker 2004)'
_computing_molecular_graphics    'X-seed (Barbour, 1999)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker Kappa Duo Apex II diffractometer'
_diffrn_measurement_method       '1.2\% \f scans and \w scans'
_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  0.0258
_diffrn_reflns_av_sigmaI/netI    0.0196
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            20017
_diffrn_reflns_theta_full        28.44
_diffrn_reflns_theta_max         28.44
_diffrn_reflns_theta_min         2.55
_exptl_absorpt_coefficient_mu    0.083
_exptl_absorpt_correction_T_max  0.976
_exptl_absorpt_correction_T_min  0.926
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.288
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             356
_exptl_crystal_size_max          0.360
_exptl_crystal_size_mid          0.300
_exptl_crystal_size_min          0.290
_refine_diff_density_max         0.342
_refine_diff_density_min         -0.217
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.049
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     237
_refine_ls_number_reflns         4332
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.049
_refine_ls_R_factor_all          0.0483
_refine_ls_R_factor_gt           0.0406
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0590P)^2^+0.2156P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1105
_refine_ls_wR_factor_ref         0.1172
_reflns_number_gt                3671
_reflns_number_total             4332
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            lo5010sup1.cif
_cod_data_source_block           ma3pic
_cod_depositor_comments
'Adding full bibliography for 2107996--2108002.cif.'
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               2107998
_cod_database_fobs_code          2107998