cis alkenes stabilized by intramolecular sulphurπ interactions.
Zhao, Xiaolei; Zheng, Wei; Zhang, Yi; Huang, Wei; Chemical communications (Cambridge, England) 56 (2020) 814–817; doi:10.1039/c9cc08558k

data_7125813
_publ_section_title
;
 cis alkenes stabilized by intramolecular sulphur\p interactions.
;
_journal_issue                   5
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              814
_journal_page_last               817
_journal_paper_doi               10.1039/c9cc08558k
_journal_volume                  56
_journal_year                    2020
_chemical_formula_moiety         'C23 H20 Cl N5 O2 S'
_chemical_formula_sum            'C23 H20 Cl N5 O2 S'
_chemical_formula_weight         465.95
_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   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2019-01-22 deposited with the CCDC.	2019-12-10 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 93.684(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   5.093(4)
_cell_length_b                   18.689(15)
_cell_length_c                   24.05(2)
_cell_measurement_reflns_used    663
_cell_measurement_temperature    291(2)
_cell_measurement_theta_max      17.750
_cell_measurement_theta_min      2.339
_cell_volume                     2284(3)
_computing_cell_refinement       SMART
_computing_data_collection       'SMART (BRUKER 2000)'
_computing_data_reduction        'SAINT (BRUKER 2000)'
_computing_molecular_graphics    'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_publication_material  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXTL (BRUKER 2000)'
_diffrn_ambient_temperature      291(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'BRUKER Smart Apex CCD area detector'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1714
_diffrn_reflns_av_unetI/netI     0.2105
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       4
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            16398
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        24.998
_diffrn_reflns_theta_max         24.998
_diffrn_reflns_theta_min         1.697
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.289
_exptl_absorpt_correction_T_max  0.972
_exptl_absorpt_correction_T_min  0.966
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Bruker(2000)'
_exptl_crystal_colour            purple
_exptl_crystal_density_diffrn    1.355
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             968
_exptl_crystal_size_max          0.120
_exptl_crystal_size_mid          0.120
_exptl_crystal_size_min          0.100
_refine_diff_density_max         0.421
_refine_diff_density_min         -0.487
_refine_diff_density_rms         0.105
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.907
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     291
_refine_ls_number_reflns         3995
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.907
_refine_ls_R_factor_all          0.2352
_refine_ls_R_factor_gt           0.0988
_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^)+(0.0503P)^2^+0.8900P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2219
_refine_ls_wR_factor_ref         0.2838
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1349
_reflns_number_total             3995
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9cc08558k2.cif
_cod_data_source_block           cis-4
_cod_depositor_comments
'Adding full bibliography for 7125813--7125817.cif.'
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7125813
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.966
_shelx_estimated_absorpt_t_max   0.972
_shelx_res_checksum              68510