Pharmaceutical Cocrystals of Niclosamide
Sanphui, Palash; Kumar, S. Sudalai; Nangia, Ashwini; Crystal Growth & Design 12 (2012) 4588–; doi:10.1021/cg300784v

data_4506751
_publ_section_title
;
 Pharmaceutical Cocrystals of Niclosamide
;
_journal_issue                   9
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              4588
_journal_paper_doi               10.1021/cg300784v
_journal_volume                  12
_journal_year                    2012
_chemical_formula_moiety         'C13 H8 Cl2 N2 O4, C7 H8 N4 O2, C2 H3 N'
_chemical_formula_sum            'C20 H16 Cl2 N6 O6'
_chemical_formula_weight         507.29
_chemical_name_common            Niclosamide-theophylline
_chemical_name_systematic
;2,5-dichloro-4-nitrosalicylanilide, 1,3-dimethyl-7H-purine-2,6-dione  
 ? 
;
_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                 99.924(8)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.1371(7)
_cell_length_b                   10.8809(9)
_cell_length_c                   22.4497(17)
_cell_measurement_reflns_used    2340
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      26.3152
_cell_measurement_theta_min      2.6210
_cell_volume                     2198.6(3)
_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_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  0.0510
_diffrn_reflns_av_sigmaI/netI    0.0946
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            10097
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         2.63
_exptl_absorpt_coefficient_mu    0.347
_exptl_absorpt_correction_T_max  0.9401
_exptl_absorpt_correction_T_min  0.9090
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.533
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Plate
_exptl_crystal_F_000             1040
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.233
_refine_diff_density_min         -0.342
_refine_diff_density_rms         0.056
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.998
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     321
_refine_ls_number_reflns         4499
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.998
_refine_ls_R_factor_all          0.1273
_refine_ls_R_factor_gt           0.0614
_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^)+(0.0352P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1032
_refine_ls_wR_factor_ref         0.1358
_reflns_number_gt                2389
_reflns_number_total             4499
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg300784v_si_005.cif
_cod_data_source_block           NCL-THPH
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-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
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               4506751