Unique supramolecular complex of diclofenac: structural robustness, crystal-to-crystal solvent exchange, and mechanochemical synthesis
Zheng, Qixuan; Rood, Samantha L.; Unruh, Daniel K.; Hutchins, Kristin M.; Chemical Communications  (2019) –; doi:10.1039/C9CC03946E

data_7123619
_publ_section_title
;
 Unique supramolecular complex of diclofenac: structural robustness,
 crystal-to-crystal solvent exchange, and mechanochemical synthesis
;
_journal_name_full               'Chemical Communications'
_journal_paper_doi               10.1039/C9CC03946E
_journal_year                    2019
_chemical_formula_sum            'C38 H30 Cl4 N4 O4'
_chemical_formula_weight         748.46
_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   mixed
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_audit_creation_date             2018-09-13T10:08:26-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_audit_update_record
;
2019-04-09 deposited with the CCDC.    2019-06-07 downloaded from the CCDC.
;
_cell_angle_alpha                113.957(3)
_cell_angle_beta                 90.600(3)
_cell_angle_gamma                105.072(3)
_cell_formula_units_Z            2
_cell_length_a                   8.6025(16)
_cell_length_b                   14.743(3)
_cell_length_c                   15.818(3)
_cell_measurement_reflns_used    9967
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      22.66
_cell_measurement_theta_min      2.47
_cell_volume                     1754.9(6)
_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 0.999
_diffrn_measured_fraction_theta_max 0.995
_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  0.0311
_diffrn_reflns_av_unetI/netI     0.0296
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            40056
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.284
_diffrn_reflns_theta_min         1.421
_exptl_absorpt_coefficient_mu    0.385
_exptl_absorpt_correction_T_max  0.7455
_exptl_absorpt_correction_T_min  0.7079
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.416
_exptl_crystal_description       blocky
_exptl_crystal_F_000             772
_exptl_crystal_recrystallization_method 'Re-crystallisation from solvent'
_exptl_crystal_size_max          0.48
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.178
_refine_diff_density_min         -0.271
_refine_diff_density_rms         0.043
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.04
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     605
_refine_ls_number_reflns         7844
_refine_ls_number_restraints     268
_refine_ls_restrained_S_all      1.069
_refine_ls_R_factor_all          0.0685
_refine_ls_R_factor_gt           0.0418
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0534P)^2^+0.2719P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1011
_refine_ls_wR_factor_ref         0.1155
_reflns_Friedel_coverage         0
_reflns_number_gt                5331
_reflns_number_total             7844
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9cc03946e2.cif
_cod_data_source_block           diclofenac4-4'-BIPY
_cod_database_code               7123619
_shelx_estimated_absorpt_t_min   0.837
_shelx_estimated_absorpt_t_max   0.91
_shelx_res_checksum              76210