Approach of Cocrystallization to Improve the Solubility and Photostability of Tranilast
Geng, Na; Chen, Jia-Mei; Li, Zi-Jian; Jiang, Long; Lu, Tong-Bu; Crystal Growth & Design 13 (2013) 3546–; doi:10.1021/cg400518w

data_4507950
_publ_section_title
;
 Approach of Cocrystallization to Improve the Solubility and
 Photostability of Tranilast
;
_journal_issue                   8
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              3546
_journal_paper_doi               10.1021/cg400518w
_journal_volume                  13
_journal_year                    2013
_chemical_formula_sum            'C19 H21 N3 O6'
_chemical_formula_weight         387.39
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 104.386(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.1957(2)
_cell_length_b                   14.9197(3)
_cell_length_c                   16.1595(3)
_cell_measurement_reflns_used    3479
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      65.3963
_cell_measurement_theta_min      2.8207
_cell_volume                     1913.98(7)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 10.5058
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Xcalibur, Atlas, Gemini ultra'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0202
_diffrn_reflns_av_sigmaI/netI    0.0221
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            7371
_diffrn_reflns_theta_full        62.50
_diffrn_reflns_theta_max         62.50
_diffrn_reflns_theta_min         4.09
_exptl_absorpt_coefficient_mu    0.850
_exptl_absorpt_correction_T_max  0.9199
_exptl_absorpt_correction_T_min  0.8485
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.344
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             816
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.174
_refine_diff_density_min         -0.167
_refine_diff_density_rms         0.033
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.035
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     276
_refine_ls_number_reflns         3042
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.035
_refine_ls_R_factor_all          0.0451
_refine_ls_R_factor_gt           0.0370
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0605P)^2^+0.1670P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0988
_refine_ls_wR_factor_ref         0.1062
_reflns_number_gt                2521
_reflns_number_total             3042
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg400518w_si_002.cif
_cod_data_source_block           exp_5754
_cod_database_code               4507950