Co-crystallization of anti-inflammatory pharmaceutical contaminants and rare carboxylic acid–pyridine supramolecular synthon breakdown
Zheng, Qixuan; Rood, Samantha L.; Unruh, Daniel K.; Hutchins, Kristin M.; CrystEngComm 20 (2018) 6377–; doi:10.1039/C8CE01492B

data_7231591
_publ_section_title
;
 Co-crystallization of anti-inflammatory pharmaceutical contaminants and
 rare carboxylic acid--pyridine supramolecular synthon breakdown
;
_journal_issue                   41
_journal_name_full               CrystEngComm
_journal_page_first              6377
_journal_paper_doi               10.1039/C8CE01492B
_journal_volume                  20
_journal_year                    2018
_chemical_formula_sum            'C20 H19 N3 O2'
_chemical_formula_weight         333.38
_chemical_name_systematic
'co-crystal of mefenamic acid and 4,4'-azopyridine'
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_audit_creation_date             2018-02-22T13:49:51-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_audit_update_record
;
2018-08-30 deposited with the CCDC.
2018-09-28 downloaded from the CCDC.
;
_cell_angle_alpha                100.617(10)
_cell_angle_beta                 99.729(9)
_cell_angle_gamma                93.918(9)
_cell_formula_units_Z            2
_cell_length_a                   7.549(5)
_cell_length_b                   8.736(6)
_cell_length_c                   13.095(8)
_cell_measurement_reflns_used    2243
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.72
_cell_measurement_theta_min      2.38
_cell_volume                     832.2(9)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\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  0.0320
_diffrn_reflns_av_unetI/netI     0.0436
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.994
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            9970
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.994
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.292
_diffrn_reflns_theta_min         1.61
_exptl_absorpt_coefficient_mu    0.088
_exptl_absorpt_correction_T_max  0.7455
_exptl_absorpt_correction_T_min  0.7034
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.33
_exptl_crystal_description       prism
_exptl_crystal_F_000             352
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: toluene'
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.115
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.275
_refine_diff_density_min         -0.231
_refine_diff_density_rms         0.044
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     229
_refine_ls_number_reflns         3726
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0641
_refine_ls_R_factor_gt           0.0415
_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0483P)^2^+0.0716P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0958
_refine_ls_wR_factor_ref         0.1078
_reflns_number_gt                2666
_reflns_number_total             3726
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8ce01492b2.cif
_cod_data_source_block           mefenamicacidAzo
_cod_depositor_comments
'Adding full bibliography for 7231588--7231594.cif.'
_cod_database_code               7231591
_shelx_estimated_absorpt_t_min   0.979
_shelx_estimated_absorpt_t_max   0.995
_shelx_res_checksum              25777