Polymorphism in a Sulfamethoxazole Derivative: Coexistence of Five Polymorphs in Methanol at Room Temperature
Tahir, Muhammad Nawaz; Shafiq, Zahid; Shad, Hazoor Ahmad; Zia-ur-Rehman,; Karim, Abdul; Naseer, Muhammad Moazzam; Crystal Growth & Design 15 (2015) 4750–; doi:10.1021/acs.cgd.5b01126

data_4516486
_publ_section_title
;
 Polymorphism in a Sulfamethoxazole Derivative: Coexistence of Five
 Polymorphs in Methanol at Room Temperature
;
_journal_issue                   10
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              4750
_journal_paper_doi               10.1021/acs.cgd.5b01126
_journal_volume                  15
_journal_year                    2015
_chemical_formula_iupac          'C21 H17 N3 O4 S'
_chemical_formula_moiety         'C21 H17 N3 O4 S'
_chemical_formula_sum            'C21 H17 N3 O4 S'
_chemical_formula_weight         407.43
_chemical_name_systematic
;
1-[(E)-({4-[(5-methyl-1,2-oxazol-3-yl)sulfamoyl]phenyl}iminio)methyl]
naphthalen-2-olate
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 118.646(4)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   27.545(2)
_cell_length_b                   12.0217(10)
_cell_length_c                   13.7703(10)
_cell_measurement_reflns_used    2427
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.534
_cell_measurement_theta_min      1.685
_cell_volume                     4001.7(6)
_computing_cell_refinement       'SAINT (Bruker, 2007)'
_computing_data_collection       'APEX2 (Bruker, 2007)'
_computing_data_reduction        'SAINT (Bruker, 2007)'
_computing_molecular_graphics
'ORTEP-3 for Windows (Farrugia, 1997) and PLATON (Spek, 2009)'
_computing_publication_material
;
WinGX (Farrugia, 1999) and PLATON (Spek, 2009)
;
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_detector_area_resol_mean 7.80
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker Kappa APEXII CCD'
_diffrn_measurement_method       \w
_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  0.0724
_diffrn_reflns_av_unetI/netI     0.0686
_diffrn_reflns_limit_h_max       35
_diffrn_reflns_limit_h_min       -35
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            31696
_diffrn_reflns_theta_full        27.534
_diffrn_reflns_theta_max         27.534
_diffrn_reflns_theta_min         1.685
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.194
_exptl_absorpt_correction_T_max  0.960
_exptl_absorpt_correction_T_min  0.933
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2005)'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.353
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1696
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.309
_refine_diff_density_min         -0.332
_refine_diff_density_rms         0.042
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.024
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     266
_refine_ls_number_reflns         4591
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.024
_refine_ls_R_factor_all          0.1344
_refine_ls_R_factor_gt           0.0578
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0463P)^2^+1.9004P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1065
_refine_ls_wR_factor_ref         0.1320
_reflns_number_gt                2427
_reflns_number_total             4591
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            cg5b01126_si_003.cif
_cod_data_source_block           5
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               4516486
_shelx_shelxl_version_number     2014/7
_shelxl_version_number           2014/6
_shelx_res_checksum              84547
_shelx_hkl_checksum              98471