Crystal structures of three 6-aryl-2-(4-chlorobenzyl)-5-[(1<i>H</i>-indol-3-yl)methyl]imidazo[2,1-<i>b</i>][1,3,4]thiadiazoles
Shamanth, Sadashivamurthy; Mantelingu, Kempegowda; Kiran Kumar, Haruvegowda; Yathirajan, Hemmige S.; Foro, Sabine; Glidewell, Christopher; Acta Crystallographica Section E 76 (2020) 18–24; doi:10.1107/S2056989019016050

data_2243234
_publ_section_title
;
 Crystal structures of three
 6-aryl-2-(4-chlorobenzyl)-5-[(1<i>H</i>-indol-3-yl)methyl]imidazo[2,1-<i>b</i>][1,3,4]thiadiazoles
;
_journal_coeditor_code           IS5527
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              18
_journal_page_last               24
_journal_paper_doi               10.1107/S2056989019016050
_journal_volume                  76
_journal_year                    2020
_chemical_formula_iupac          'C26 H19 Cl N4 S'
_chemical_formula_moiety         'C26 H19 Cl N4 S'
_chemical_formula_sum            'C26 H19 Cl N4 S'
_chemical_formula_weight         454.96
_chemical_name_systematic
2-(4-Chlorobenzyl)-5-[(1<i>H</i>-indol-3-yl)methyl]-6-phenylimidazo[2,1-<i>b</i>][1,3,4]thiadiazole
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     difmap
_audit_creation_method           SHELXL-2014
_cell_angle_alpha                90
_cell_angle_beta                 90.031(12)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   16.456(7)
_cell_length_b                   10.420(2)
_cell_length_c                   26.391(7)
_cell_measurement_reflns_used    12458
_cell_measurement_temperature    302(2)
_cell_measurement_theta_max      29.458
_cell_measurement_theta_min      2.101
_cell_volume                     4525(2)
_computing_cell_refinement
;
SAINT (Bruker, 2017)
;
_computing_data_collection
;
APEX2 (Bruker, 2012)
;
_computing_data_reduction        'SAINT (Bruker, 2017)'
_computing_molecular_graphics
;
PLATON (Spek, 2009)
;
_computing_publication_material
;
SHELXL2014 (Sheldrick, 2015<i>b</i>)
;
_computing_structure_refinement
;
SHELXL2014 (Sheldrick, 2015<i>b</i>)
;
_computing_structure_solution
;
<i>SHELXT</i> (Sheldrick, 2015<i>a</i>)
;
_diffrn_ambient_temperature      302(2)
_diffrn_detector_area_resol_mean 7.3910
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type
;
Bruker SMART X2S benchtop
;
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0364
_diffrn_reflns_av_unetI/netI     0.0283
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       34
_diffrn_reflns_limit_l_min       -34
_diffrn_reflns_number            55921
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.549
_diffrn_reflns_theta_min         2.101
_diffrn_source                   'fine-focus sealed tube'
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.283
_exptl_absorpt_correction_T_max  0.924
_exptl_absorpt_correction_T_min  0.845
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
(SADABS; Bruker, 2017)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.336
_exptl_crystal_description       block
_exptl_crystal_F_000             1888
_exptl_crystal_size_max          0.330
_exptl_crystal_size_mid          0.310
_exptl_crystal_size_min          0.280
_refine_diff_density_max         0.768
_refine_diff_density_min         -0.595
_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     605
_refine_ls_number_reflns         10420
_refine_ls_number_restraints     18
_refine_ls_restrained_S_all      1.033
_refine_ls_R_factor_all          0.0908
_refine_ls_R_factor_gt           0.0596
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0741P)^2^+2.5289P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1506
_refine_ls_wR_factor_ref         0.1765
_reflns_number_gt                7091
_reflns_number_total             10420
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            is5527sup1.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2243234
_cod_database_fobs_code          2243234
_shelx_estimated_absorpt_t_min   0.912
_shelx_estimated_absorpt_t_max   0.925
_shelx_hkl_checksum              60179
_shelx_res_checksum              2069
_shelxl_version_number           2.014