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_1545835
_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
_chemical_formula_sum            'C10 H12 N6 O4 S2'
_chemical_formula_weight         344.38
_chemical_melting_point          453
_chemical_name_common            ACETAZOLAMIDE;NICOTINAMIDE
_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                69.797(11)
_cell_angle_beta                 85.463(12)
_cell_angle_gamma                81.889(12)
_cell_formula_units_Z            2
_cell_length_a                   5.1477(8)
_cell_length_b                   10.8147(14)
_cell_length_c                   14.2604(16)
_cell_measurement_reflns_used    1270
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      71.6760
_cell_measurement_theta_min      4.3720
_cell_volume                     737.20(18)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_detector_area_resol_mean '\w scans'
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Xcalibur, Eos, Gemini'
_diffrn_measurement_method       multi-scan
_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  0.0409
_diffrn_reflns_av_sigmaI/netI    0.0584
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -3
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            4027
_diffrn_reflns_theta_full        67.07
_diffrn_reflns_theta_max         67.07
_diffrn_reflns_theta_min         3.30
_exptl_absorpt_coefficient_mu    3.554
_exptl_crystal_colour            COLORLES
_exptl_crystal_density_diffrn    1.551
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       BLOCK
_exptl_crystal_F_000             356
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.407
_refine_diff_density_min         -0.590
_refine_diff_density_rms         0.075
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.006
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     220
_refine_ls_number_reflns         2607
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.006
_refine_ls_R_factor_all          0.0819
_refine_ls_R_factor_gt           0.0626
_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^)+(0.1157P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1722
_refine_ls_wR_factor_ref         0.1935
_reflns_number_gt                1906
_reflns_number_total             2607
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ed5007.cif
_cod_data_source_block           ACZNAM11
_cod_original_cell_volume        737.20(17)
_cod_database_code               1545835