Modulating the solubility of sulfacetamide by means of cocrystals
Rajesh Goud, N.; Khan, Ronaq Ali; Nangia, Ashwini; CrystEngComm 16 (2014) 5859–; doi:10.1039/c4ce00103f

data_7217036
_publ_section_title
;
 Modulating the solubility of sulfacetamide by means of cocrystals
;
_journal_issue                   26
_journal_name_full               CrystEngComm
_journal_page_first              5859
_journal_paper_doi               10.1039/c4ce00103f
_journal_volume                  16
_journal_year                    2014
_chemical_formula_moiety         'C8 H10 N2 O3 S, C7 H8 N4 O2'
_chemical_formula_sum            'C15 H18 N6 O5 S'
_chemical_formula_weight         394.41
_chemical_melting_point          444
_chemical_name_common            SulfacetamideTheophyllinecocrystal
_chemical_name_systematic
N-4-aminophenylsulfonylacetamide1,3-dimethyl-7H-purine-2,6-dione
_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                110.234(2)
_cell_angle_beta                 106.3650(10)
_cell_angle_gamma                97.2830(10)
_cell_formula_units_Z            4
_cell_length_a                   8.6640(7)
_cell_length_b                   14.9675(13)
_cell_length_c                   15.3632(15)
_cell_measurement_reflns_used    5363
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.97
_cell_measurement_theta_min      2.45
_cell_volume                     1737.1(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_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  0.0387
_diffrn_reflns_av_sigmaI/netI    0.0465
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            18179
_diffrn_reflns_theta_full        26.07
_diffrn_reflns_theta_max         26.07
_diffrn_reflns_theta_min         1.50
_exptl_absorpt_coefficient_mu    0.229
_exptl_absorpt_correction_T_max  0.9470
_exptl_absorpt_correction_T_min  0.8979
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   Sadabs
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.508
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             824
_exptl_crystal_size_max          0.48
_exptl_crystal_size_mid          0.36
_exptl_crystal_size_min          0.24
_refine_diff_density_max         0.605
_refine_diff_density_min         -0.390
_refine_diff_density_rms         0.071
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.953
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     525
_refine_ls_number_reflns         6823
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.953
_refine_ls_R_factor_all          0.0590
_refine_ls_R_factor_gt           0.0505
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0701P)^2^+1.8533P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1232
_refine_ls_wR_factor_ref         0.1297
_reflns_number_gt                5929
_reflns_number_total             6823
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ce00103f2.cif
_cod_data_source_block           SACT-THEO
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/current/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from
2011-04-26.

'_exptl_absorpt_correction_type' value 'Multi-Scan'
changed to 'multi-scan' according to
/usr/data/users/saulius/crontab/automatic-downloads/current/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      'P-1   '
_cod_database_code               7217036