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_7231588
_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            'C21 H20 N2 O2'
_chemical_formula_weight         332.39
_chemical_name_systematic
'co-crystal of mefenamic acid and 1,2-Bis(4-pyridyl)ethylene'
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
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_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_audit_creation_date             2018-02-12T16:41:03-00:00
_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                98.216(2)
_cell_angle_beta                 99.515(2)
_cell_angle_gamma                90.024(2)
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_cell_length_b                   8.6152(15)
_cell_length_c                   12.900(2)
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_cell_measurement_temperature    100(2)
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_cell_measurement_theta_min      2.68
_cell_volume                     848.1(2)
_computing_cell_refinement       'Bruker SAINT'
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_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 0.997
_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
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_diffrn_reflns_av_unetI/netI     0.0282
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.994
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_diffrn_reflns_limit_k_max       10
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_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            9598
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_diffrn_reflns_theta_max         27.071
_diffrn_reflns_theta_min         1.618
_exptl_absorpt_coefficient_mu    0.084
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_exptl_absorpt_correction_T_min  0.6845
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.302
_exptl_crystal_description       block
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_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: toluene'
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_exptl_crystal_size_min          0.065
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_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.064
_refine_ls_R_factor_all          0.0561
_refine_ls_R_factor_gt           0.0421
_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^)+(0.0535P)^2^+0.2761P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1078
_refine_ls_wR_factor_ref         0.1162
_reflns_number_gt                2901
_reflns_number_total             3684
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8ce01492b2.cif
_cod_data_source_block           mefenamicaicdBPE
_cod_depositor_comments
'Adding full bibliography for 7231588--7231594.cif.'
_cod_original_cell_volume        848.0(3)
_cod_database_code               7231588
_shelx_estimated_absorpt_t_min   0.961
_shelx_estimated_absorpt_t_max   0.995
_shelx_res_checksum              62678