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_7231593
_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 H21 N2 O2'
_chemical_formula_weight         333.4
_chemical_name_systematic
'co-crystal of mefenamic acid and 1,2-Bis(4-pyridyl)ethane'
_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             2018-02-15T08:36:22-00:00
_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                94.30(3)
_cell_angle_beta                 93.160(17)
_cell_angle_gamma                117.89(2)
_cell_formula_units_Z            2
_cell_length_a                   7.450(7)
_cell_length_b                   7.835(7)
_cell_length_c                   16.895(16)
_cell_measurement_reflns_used    4014
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      26.41
_cell_measurement_theta_min      2.42
_cell_volume                     864.6(14)
_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      200(2)
_diffrn_measured_fraction_theta_full 1
_diffrn_measured_fraction_theta_max 0.989
_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  0.0250
_diffrn_reflns_av_unetI/netI     0.0238
_diffrn_reflns_Laue_measured_fraction_full 1
_diffrn_reflns_Laue_measured_fraction_max 0.989
_diffrn_reflns_limit_h_max       9
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_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            15696
_diffrn_reflns_point_group_measured_fraction_full 1
_diffrn_reflns_point_group_measured_fraction_max 0.989
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.477
_diffrn_reflns_theta_min         2.431
_exptl_absorpt_coefficient_mu    0.083
_exptl_absorpt_correction_T_max  0.7454
_exptl_absorpt_correction_T_min  0.6871
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.281
_exptl_crystal_description       chip
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_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: toluene'
_exptl_crystal_size_max          0.425
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_exptl_crystal_size_min          0.125
_refine_diff_density_max         0.203
_refine_diff_density_min         -0.182
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_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     229
_refine_ls_number_reflns         3912
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.052
_refine_ls_R_factor_all          0.0601
_refine_ls_R_factor_gt           0.0423
_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^)+(0.0481P)^2^+0.1860P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1035
_refine_ls_wR_factor_ref         0.1143
_reflns_number_gt                2909
_reflns_number_total             3912
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8ce01492b2.cif
_cod_data_source_block           mefenamicacidBPEth
_cod_depositor_comments
'Adding full bibliography for 7231588--7231594.cif.'
_cod_original_cell_volume        864.5(14)
_cod_database_code               7231593
_shelx_estimated_absorpt_t_min   0.966
_shelx_estimated_absorpt_t_max   0.99
_shelx_res_checksum              49617