Novel pharmaceutical cocrystals of triflusal: crystal engineering and physicochemical characterization
Aitipamula, Srinivasulu; Mapp, Lucy K.; Wong, Annie B. H.; Chow, Pui Shan; Tan, Reginald B. H.; CrystEngComm 17 (2015) 9323–; doi:10.1039/C5CE01756D

data_7223188
_publ_section_title
;
 Novel pharmaceutical cocrystals of triflusal: crystal engineering and
 physicochemical characterization
;
_journal_issue                   48
_journal_name_full               CrystEngComm
_journal_page_first              9323
_journal_paper_doi               10.1039/C5CE01756D
_journal_volume                  17
_journal_year                    2015
_chemical_formula_moiety         'C H4 N2 O, 2(C10 H7 F3 O4)'
_chemical_formula_sum            'C21 H18 F6 N2 O9'
_chemical_formula_weight         556.37
_chemical_melting_point          356.4
_chemical_name_systematic        'Triflusal-urea cocrystal'
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_date             2015-07-06
_audit_creation_method
;
Olex2 1.2
(compiled 2015.01.26 svn.r3150 for OlexSys, GUI svn.r4998)
;
_audit_update_record
;
2015-08-31 deposited with the CCDC.
2015-11-09 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 102.49(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   14.601(3)
_cell_length_b                   10.920(2)
_cell_length_c                   15.342(3)
_cell_measurement_reflns_used    3920
_cell_measurement_temperature    110.1500
_cell_measurement_theta_max      30.9639
_cell_measurement_theta_min      2.3495
_cell_volume                     2388.3(9)
_computing_cell_refinement       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_collection       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_reduction        'CrystalClear (Rigaku Inc., 2008)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2008)'
_computing_structure_solution
;
????
;
_diffrn_ambient_temperature      110.1500
_diffrn_detector_area_resol_mean 28.5714
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_details
;
scan:
    Number of images: 330
               Slice: -110.0000 - 55.0000
         Image width: 0.5000
            Exp time: 10.0000
       Rotation axis: Omega
               Omega: 0.0000
               Kappa: 0.0000
                 Phi: 270.0000
                 XTD: 45.0093
              2theta: -20.0682
scan:
    Number of images: 262
               Slice: -110.0000 - 21.0000
         Image width: 0.5000
            Exp time: 10.0000
       Rotation axis: Omega
               Omega: 0.0000
               Kappa: -70.0000
                 Phi: 270.0000
                 XTD: 45.0093
              2theta: -20.0682
scan:
    Number of images: 262
               Slice: -110.0000 - 21.0000
         Image width: 0.5000
            Exp time: 10.0000
       Rotation axis: Omega
               Omega: 0.0000
               Kappa: -70.0000
                 Phi: 90.0000
                 XTD: 45.0093
              2theta: -20.0682
scan:
    Number of images: 246
               Slice: -110.0000 - 13.0000
         Image width: 0.5000
            Exp time: 10.0000
       Rotation axis: Omega
               Omega: 0.0000
               Kappa: -70.0000
                 Phi: 0.0000
                 XTD: 45.0093
              2theta: -20.0682
scan:
    Number of images: 120
               Slice: -95.0000 - -35.0000
         Image width: 0.5000
            Exp time: 10.0000
       Rotation axis: Omega
               Omega: 0.0000
               Kappa: 0.0000
                 Phi: 0.0000
                 XTD: 45.0093
              2theta: -20.0682
;
_diffrn_measurement_device
;
Saturn70 (2x2 bin mode)
;
_diffrn_measurement_device_details
;
AFC12 (Right): Kappa 3 circle
;
_diffrn_measurement_method       dtprofit.ref
_diffrn_orient_matrix_type       d*Trek
_diffrn_orient_matrix_UB_11      -0.0583
_diffrn_orient_matrix_UB_12      -0.0359
_diffrn_orient_matrix_UB_13      0.0152
_diffrn_orient_matrix_UB_21      0.0231
_diffrn_orient_matrix_UB_22      -0.0637
_diffrn_orient_matrix_UB_23      -0.0616
_diffrn_orient_matrix_UB_31      0.0203
_diffrn_orient_matrix_UB_32      -0.0403
_diffrn_orient_matrix_UB_33      0.0492
_diffrn_radiation_detector       CCD
_diffrn_radiation_monochromator  'Graphite Monochromator'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0150
_diffrn_reflns_av_unetI/netI     0.0101
_diffrn_reflns_Laue_measured_fraction_full 0.991
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            15825
_diffrn_reflns_point_group_measured_fraction_full 0.991
_diffrn_reflns_point_group_measured_fraction_max 0.993
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.280
_diffrn_reflns_theta_min         2.555
_diffrn_source                   'Sealed Tube'
_diffrn_source_current           40.0000
_diffrn_source_power             2.0000
_diffrn_source_voltage           50.0000
_exptl_absorpt_coefficient_mu    0.150
_exptl_absorpt_correction_T_max  0.9495
_exptl_absorpt_correction_T_min  .9371
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'R. H. Blessing, Acta Cryst. 1995 A51, 33-38'
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.547
_exptl_crystal_description       block
_exptl_crystal_F_000             1136
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: Tetrahydrofuran'
_exptl_crystal_size_max          0.44
_exptl_crystal_size_mid          0.44
_exptl_crystal_size_min          0.35
_refine_diff_density_max         0.360
_refine_diff_density_min         -0.338
_refine_diff_density_rms         0.049
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.061
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     186
_refine_ls_number_reflns         2944
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.061
_refine_ls_R_factor_all          0.0400
_refine_ls_R_factor_gt           0.0396
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0600P)^2^+2.0078P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1075
_refine_ls_wR_factor_ref         0.1079
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2913
_reflns_number_total             2944
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c5ce01756d2.cif
_cod_data_source_block           TRFL-Urea
_cod_depositor_comments
'Adding full bibliography for 7223184--7223189.cif.'
_cod_original_cell_volume        2388.2(9)
_cod_database_code               7223188
_shelxl_version_number           2013-4
_shelx_estimated_absorpt_t_max   0.949
_shelx_estimated_absorpt_t_min   0.937
_diffrn_number_total             3682
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C6(H6), C5(H5), C8(H8)
2.b Idealised Me refined as rotating group:
 C1(H1A,H1B,H1C)
;
_shelx_res_checksum              16485
_olex2_submission_special_instructions 'No special instructions were received'