Crystal structure of ethyl 4-(2-chlorophenyl)-2-methyl-4<i>H</i>-pyrimido[2,1-<i>b</i>][1,3]benzothiazole-3-carboxylate
Kumar, Balbir; Kour, Manmeet; Paul, Satya; Kant, Rajni; Gupta, Vivek K.; Acta Crystallographica Section E 71 (2015) o669–; doi:10.1107/S2056989015014905

data_2241041
_publ_section_title
;
 Crystal structure of ethyl
 4-(2-chlorophenyl)-2-methyl-4<i>H</i>-pyrimido[2,1-<i>b</i>][1,3]benzothiazole-3-carboxylate
;
_journal_issue                   9
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o669
_journal_paper_doi               10.1107/S2056989015014905
_journal_volume                  71
_journal_year                    2015
_chemical_formula_iupac          'C20 H17 Cl N2 O2 S'
_chemical_formula_moiety         'C20 H17 Cl N2 O2 S'
_chemical_formula_sum            'C20 H17 Cl N2 O2 S'
_chemical_formula_weight         384.87
_chemical_name_systematic
'Ethyl 4-(2-chlorophenyl)-2-methyl-4<i>H</i>-pyrimido[2,1-<i>b</i>][1,3]benzothiazole- 3-carboxylate'
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                88.434(8)
_cell_angle_beta                 83.536(7)
_cell_angle_gamma                66.201(10)
_cell_formula_units_Z            2
_cell_length_a                   8.9049(8)
_cell_length_b                   8.9275(10)
_cell_length_c                   12.3564(11)
_cell_measurement_reflns_used    1737
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.4380
_cell_measurement_theta_min      4.1020
_cell_volume                     892.89(17)
_computing_cell_refinement
;
CrysAlis PRO (Oxford Diffraction, 2010)
;
_computing_data_collection
;
CrysAlis PRO (Oxford Diffraction, 2010)
;
_computing_data_reduction
;
CrysAlis PRO (Oxford Diffraction, 2010)
;
_computing_molecular_graphics
;
ORTEP-3 for Windows (Farrugia, 2012)
;
_computing_publication_material
;
PLATON (Spek, 2009)
;
_computing_structure_refinement
;
SHELXL97 (Sheldrick, 2008)
;
_computing_structure_solution
;
SHELXS97 (Sheldrick, 2008)
;
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 16.1049
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Oxford Diffraction Xcalibur Sapphire3'
_diffrn_measurement_method       '\w scans'
_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  0.0334
_diffrn_reflns_av_sigmaI/netI    0.0619
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            6440
_diffrn_reflns_theta_full        25.99
_diffrn_reflns_theta_max         25.99
_diffrn_reflns_theta_min         3.94
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.348
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.87972
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
(CrysAlis PRO; Oxford Diffraction, 2010)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.431
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             400
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.635
_refine_diff_density_min         -0.350
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     237
_refine_ls_number_reflns         3477
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.029
_refine_ls_R_factor_all          0.0887
_refine_ls_R_factor_gt           0.0525
_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^)+(0.0556P)^2^+0.2350P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1190
_refine_ls_wR_factor_ref         0.1416
_reflns_number_gt                2275
_reflns_number_total             3477
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            hb7475sup1.cif
_cod_data_source_block           I
_cod_original_cell_volume        892.90(15)
_cod_database_code               2241041
_cod_database_fobs_code          2241041