Experimental Electron Density and Neutron Diffraction Studies on the Polymorphs of Sulfathiazole.
Sovago, Ioana; Gutmann, Matthias J; Hill, J Grant; Senn, Hans Martin; Thomas, Lynne H; Wilson, Chick C; Farrugia, Louis J; Crystal growth & design 14 (2014) 1227–1239; doi:10.1021/cg401757z

data_4510043
_publ_section_title
;
 Experimental Electron Density and Neutron Diffraction Studies on the
 Polymorphs of Sulfathiazole.
;
_journal_issue                   3
_journal_name_full               'Crystal growth &amp; design'
_journal_page_first              1227
_journal_page_last               1239
_journal_paper_doi               10.1021/cg401757z
_journal_volume                  14
_journal_year                    2014
_chemical_compound_source        'as described'
_chemical_formula_moiety         'C9 H9 N3 O2 S2'
_chemical_formula_sum            'C9 H9 N3 O2 S2'
_chemical_formula_weight         255.31
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   direct
_cell_angle_alpha                90
_cell_angle_beta                 107.8340(10)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   10.5235(2)
_cell_length_b                   12.9016(2)
_cell_length_c                   17.2177(3)
_cell_measurement_reflns_used    6739
_cell_measurement_temperature    105(2)
_cell_measurement_theta_max      30.03
_cell_measurement_theta_min      0.41
_cell_measurement_wavelength     0.71073
_cell_volume                     2225.32(7)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Bruker AXS BV, 1997-2004)'
_computing_data_reduction
'HKL Denzo and Scalepack (Otwinowski & Minor 1997)'
_computing_molecular_graphics    'ORTEP-3 for Windows (Farrugia, 2012)'
_computing_publication_material  'WinGX publication routines (Farrugia, 2012)'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'SIR-92 (Altomare et al., 1994)'
_diffrn_ambient_temperature      105(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 1
_diffrn_measured_fraction_theta_max 1
_diffrn_measurement_device       '95mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       'CCD rotation images, thick slices'
_diffrn_orient_matrix_UB_11      0.024444
_diffrn_orient_matrix_UB_12      0.032659
_diffrn_orient_matrix_UB_13      -0.046175
_diffrn_orient_matrix_UB_21      0.015742
_diffrn_orient_matrix_UB_22      0.067534
_diffrn_orient_matrix_UB_23      0.029937
_diffrn_orient_matrix_UB_31      0.095452
_diffrn_orient_matrix_UB_32      -0.019501
_diffrn_orient_matrix_UB_33      0.026344
_diffrn_radiation_monochromator  'horizonally mounted graphite crystal'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.041
_diffrn_reflns_Laue_measured_fraction_full 1
_diffrn_reflns_Laue_measured_fraction_max 1
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       35
_diffrn_reflns_limit_l_min       -35
_diffrn_reflns_number            456552
_diffrn_reflns_point_group_measured_fraction_full 1
_diffrn_reflns_point_group_measured_fraction_max 1
_diffrn_reflns_reduction_process
;
        Scaled and merged with Sortav
        R.H. Blessing, (1987) Cryst. Rev. 1, 3-58
        R.H. Blessing, (1989) J. Appl. Cryst. 22, 396-397
;
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         47.962
_diffrn_reflns_theta_min         2.009
_diffrn_source                   'Enraf Nonius FR590'
_exptl_absorpt_coefficient_mu    0.466
_exptl_absorpt_correction_T_max  0.943
_exptl_absorpt_correction_T_min  0.466
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details
;
        P. Coppens, L. Leiserowitz, D Rabinovich,
        Acta Cryst.
        (1965), 18, 1035-1038
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.524
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1056
_exptl_crystal_size_max          0.56
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.13
_refine_diff_density_max         1.295
_refine_diff_density_min         -0.688
_refine_diff_density_rms         0.069
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.03
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_constraints    0
_refine_ls_number_parameters     361
_refine_ls_number_reflns         21249
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.03
_refine_ls_R_factor_all          0.048
_refine_ls_R_factor_gt           0.0321
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0467P)^2^+0.1611P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.087
_refine_ls_wR_factor_ref         0.0919
_reflns_number_gt                16581
_reflns_number_total             21249
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            cg401757z_si_002.cif
_cod_data_source_block           form_I_shelx
_cod_depositor_comments
;Adding full bibliography for
 ./tmp-cod-update-bibliographies-29779/cifs/4510043.cif.
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4510043
_shelx_estimated_absorpt_t_min   0.78
_shelx_estimated_absorpt_t_max   0.942