Binary and ternary cocrystals of sulfa drug acetazolamide with pyridine carboxamides and cyclic amides
Bolla, Geetha; Nangia, Ashwini; IUCrJ 3 (2016) 152–160; doi:10.1107/S2052252516000543

data_1545836
_publ_section_title
;
 Binary and ternary cocrystals of sulfa drug acetazolamide with pyridine
 carboxamides and cyclic amides
;
_journal_coeditor_code           ED5007
_journal_issue                   2
_journal_name_full               IUCrJ
_journal_page_first              152
_journal_page_last               160
_journal_paper_doi               10.1107/S2052252516000543
_journal_volume                  3
_journal_year                    2016
_chemical_formula_moiety         C4H6N4O3S2,C6H6N2O,C5H5NO
_chemical_formula_sum            'C15 H17 N7 O5 S2'
_chemical_formula_weight         439.48
_chemical_melting_point          398
_chemical_name_common            'ACETAZOLAMIDE;NICOTINAMIDE; 2 PYRIDONE'
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                81.685(6)
_cell_angle_beta                 83.028(5)
_cell_angle_gamma                88.283(5)
_cell_formula_units_Z            2
_cell_length_a                   7.0347(3)
_cell_length_b                   10.2539(7)
_cell_length_c                   13.7934(9)
_cell_measurement_reflns_used    3059
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      71.7750
_cell_measurement_theta_min      4.3370
_cell_volume                     977.14(10)
_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  'Xcalibur, Eos, Gemini'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0189
_diffrn_reflns_av_sigmaI/netI    0.0252
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            5696
_diffrn_reflns_theta_full        67.08
_diffrn_reflns_theta_max         67.08
_diffrn_reflns_theta_min         3.26
_exptl_absorpt_coefficient_mu    2.872
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.37390
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            COLORLES
_exptl_crystal_density_diffrn    1.494
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       PLATE
_exptl_crystal_F_000             456
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.800
_refine_diff_density_min         -0.437
_refine_diff_density_rms         0.117
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.083
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     269
_refine_ls_number_reflns         3493
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.083
_refine_ls_R_factor_all          0.0651
_refine_ls_R_factor_gt           0.0612
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1265P)^2^+0.1831P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1729
_refine_ls_wR_factor_ref         0.1789
_reflns_number_gt                3085
_reflns_number_total             3493
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ed5007.cif
_cod_data_source_block           ACZNAM2HP111
_cod_original_cell_volume        977.13(10)
_cod_database_code               1545836