Two polymorphs of chlorpropamide: the δ-form and the high-temperature ε-form
Drebushchak, Tatiana N.; Chukanov, Nikita V.; Boldyreva, Elena V.; Acta Crystallographica Section C 64 (2008) o623–o625; doi:10.1107/S0108270108034550

data_2016888
_publ_section_title
;
 Two polymorphs of chlorpropamide: the \d-form and the high-temperature
 \e-form
;
_journal_coeditor_code           TR3050
_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o623
_journal_page_last               o625
_journal_paper_doi               10.1107/S0108270108034550
_journal_volume                  64
_journal_year                    2008
_chemical_formula_iupac          'C10 H13 Cl N2 O3 S'
_chemical_formula_moiety         'C10 H13 Cl N2 O3 S'
_chemical_formula_sum            'C10 H13 Cl N2 O3 S'
_chemical_formula_weight         276.73
_chemical_melting_point          401
_chemical_name_common            'chlorpropamide, \e-form'
_chemical_name_systematic
;
4-chloro-<i>N</i>-((propylaminocarbonyl)benzenesulfonamide
;
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   19.9121(10)
_cell_length_b                   7.3459(4)
_cell_length_c                   9.1384(4)
_cell_measurement_reflns_used    2528
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      29.0754
_cell_measurement_theta_min      2.9499
_cell_volume                     1336.69(12)
_computing_cell_refinement       'CrysAlis RED (Oxford Diffraction, 2008)'
_computing_data_collection       'CrysAlis CCD (Oxford Diffraction, 2008)'
_computing_data_reduction        'CrysAlis RED (Oxford Diffraction, 2008)'
_computing_molecular_graphics
;
ORTEP-3 for Windows (Farrugia, 1997) and Mercury (Macrae <i>et al.</i>,
2006)
;
_computing_publication_material
;
SHELXL97 (Sheldrick, 2008), WinGX (Farrugia, 1999) and publCIF
(Westrip, 2007)
;
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      295(2)
_diffrn_detector_area_resol_mean 10.3457
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Oxford Diffraction KM4 CCD'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0338
_diffrn_reflns_av_sigmaI/netI    0.0562
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            6456
_diffrn_reflns_theta_full        25.67
_diffrn_reflns_theta_max         25.67
_diffrn_reflns_theta_min         2.96
_exptl_absorpt_coefficient_mu    0.440
_exptl_absorpt_correction_T_max  0.9869
_exptl_absorpt_correction_T_min  0.8934
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'CrysAlis RED (Oxford Diffraction, 2008)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.375
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             576
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.332
_refine_diff_density_min         -0.263
_refine_ls_abs_structure_details 'Flack (1983), with 1102 Friedel pairs'
_refine_ls_abs_structure_Flack   0.07(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.874
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     155
_refine_ls_number_reflns         2447
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.874
_refine_ls_R_factor_all          0.0644
_refine_ls_R_factor_gt           0.0347
_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^)+(0.0453P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0749
_refine_ls_wR_factor_ref         0.0803
_reflns_number_gt                1556
_reflns_number_total             2447
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            tr3050.cif
_cod_data_source_block           e-form
_cod_database_code               2016888
_cod_database_fobs_code          2016888