Celecoxib cocrystal polymorphs with cyclic amides: synthons of a sulfonamide drug with carboxamide coformers
Bolla, Geetha; Mittapalli, Sudhir; Nangia, Ashwini; CrystEngComm 16 (2014) 24–; doi:10.1039/c3ce41885e

data_7214115
_publ_section_title
;
 Celecoxib cocrystal polymorphs with cyclic amides: synthons of a
 sulfonamide drug with carboxamide coformers
;
_journal_issue                   1
_journal_name_full               CrystEngComm
_journal_page_first              24
_journal_paper_doi               10.1039/c3ce41885e
_journal_volume                  16
_journal_year                    2014
_chemical_formula_moiety         'C17 H14 F3 N3 O2 S, C6 H11 N O'
_chemical_formula_sum            'C22 H23 F3 N4 O3 S'
_chemical_formula_weight         480.50
_chemical_melting_point          381
_chemical_name_common            Celecoxib-Valerolactam-Form-III
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 93.901(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.8501(18)
_cell_length_b                   8.4190(11)
_cell_length_c                   17.761(2)
_cell_measurement_reflns_used    3351
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      23.04
_cell_measurement_theta_min      2.30
_cell_volume                     2215.4(5)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0545
_diffrn_reflns_av_sigmaI/netI    0.0413
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            23019
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         1.73
_exptl_absorpt_coefficient_mu    0.204
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.441
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1000
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.623
_refine_diff_density_min         -0.354
_refine_diff_density_rms         0.065
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.234
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     311
_refine_ls_number_reflns         4532
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.234
_refine_ls_R_factor_all          0.0998
_refine_ls_R_factor_gt           0.0850
_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^)+(0.0674P)^2^+2.2486P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1802
_refine_ls_wR_factor_ref         0.1881
_reflns_number_gt                3832
_reflns_number_total             4532
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ce41885e.txt
_cod_data_source_block           CEL-VLM-III
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               7214115