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_4510045
_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                 94.1550(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.1904(2)
_cell_length_b                   8.5345(2)
_cell_length_c                   15.4497(3)
_cell_measurement_reflns_used    9407
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      49.98
_cell_measurement_theta_min      2
_cell_measurement_wavelength     0.71073
_cell_volume                     1077.11(4)
_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, 2008)'
_computing_structure_solution    'SIR-92 (Altomare et al., 1994)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 1
_diffrn_measured_fraction_theta_max 0.996
_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_type       'by Bruker AXS Collect from scalepack cell'
_diffrn_orient_matrix_UB_11      0.087544
_diffrn_orient_matrix_UB_12      -0.001403
_diffrn_orient_matrix_UB_13      -0.041873
_diffrn_orient_matrix_UB_21      0.054371
_diffrn_orient_matrix_UB_22      0.091375
_diffrn_orient_matrix_UB_23      0.03064
_diffrn_orient_matrix_UB_31      0.066072
_diffrn_orient_matrix_UB_32      -0.073333
_diffrn_orient_matrix_UB_33      0.03898
_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  0.035
_diffrn_reflns_Laue_measured_fraction_full 1
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       33
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            331551
_diffrn_reflns_point_group_measured_fraction_full 1
_diffrn_reflns_point_group_measured_fraction_max 0.996
_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         50.072
_diffrn_reflns_theta_min         2.493
_diffrn_source                   'Enraf Nonius FR590'
_exptl_absorpt_coefficient_mu    0.482
_exptl_absorpt_correction_T_max  0.926
_exptl_absorpt_correction_T_min  0.808
_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    1.574
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             528
_exptl_crystal_size_max          0.43
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.785
_refine_diff_density_min         -0.541
_refine_diff_density_rms         0.079
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.139
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_constraints    0
_refine_ls_number_parameters     181
_refine_ls_number_reflns         11293
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.139
_refine_ls_R_factor_all          0.0288
_refine_ls_R_factor_gt           0.0259
_refine_ls_shift/su_max          0.006
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0425P)^2^+0.0875P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0825
_refine_ls_wR_factor_ref         0.0838
_reflns_number_gt                10393
_reflns_number_total             11293
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            cg401757z_si_002.cif
_cod_data_source_block           form_II_shelx
_cod_depositor_comments
;Adding full bibliography for
 ./tmp-cod-update-bibliographies-29779/cifs/4510045.cif.
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4510045
_shelx_estimated_absorpt_t_min   0.82
_shelx_estimated_absorpt_t_max   0.914