Enantiomeric Resolution of N,N'-Dimethyldithiodianthranilide through Diastereomeric Silver(I) Complex. Circular Dichroism Spectra, Racemization Barrier, and Molecular Self-Assembly
Teresa Olszewska; Maria Gdaniec; Tadeusz Połoński; Journal of Organic Chemistry 73 (2008) 4859–4864; doi:10.1021/jo8004809

data_4023507
_publ_section_title
;
 Enantiomeric Resolution of N,N'-Dimethyldithiodianthranilide
 through Diastereomeric Silver(I) Complex. Circular Dichroism
 Spectra, Racemization Barrier, and Molecular Self-Assembly
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              4859
_journal_page_last               4864
_journal_paper_doi               10.1021/jo8004809
_journal_volume                  73
_journal_year                    2008
_chemical_formula_moiety         'C16 H14 N2 S2'
_chemical_formula_sum            'C16 H14 N2 S2'
_chemical_formula_weight         298.41
_chemical_name_systematic
; 
5,11-dimethyldibenzo[b,f][1,5]diazocine-6,12(5H,11H)-dithione  
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 103.639(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   13.9899(8)
_cell_length_b                   17.6632(9)
_cell_length_c                   12.3039(6)
_cell_measurement_reflns_used    7558
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25
_cell_measurement_theta_min      2
_cell_volume                     2954.6(3)
_computing_cell_refinement
;
CrysAlis CCD
;
_computing_data_collection
;
CrysAlis CCD (Oxford Diffraction, 2007)
;
_computing_data_reduction
;
CrysAlis RED (Oxford Diffraction, 2007)
;
_computing_molecular_graphics
; Stereochemical Workstation (Siemens, 1989).
Mercury, Version 1.4
(Macrae et al., 2006)
;
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Kuma KM4CCD \k geometry'
_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  0.0260
_diffrn_reflns_av_sigmaI/netI    0.0385
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            21624
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         4.10
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.351
_exptl_absorpt_correction_T_max  0.913
_exptl_absorpt_correction_T_min  0.825
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlis RED, Oxford Diffraction Ltd.,

Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.342
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1248
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.3
_refine_diff_density_max         0.282
_refine_diff_density_min         -0.340
_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.115
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     367
_refine_ls_number_reflns         6014
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.115
_refine_ls_R_factor_all          0.0616
_refine_ls_R_factor_gt           0.0392
_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^)+(0.0525P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0946
_refine_ls_wR_factor_ref         0.1026
_reflns_number_gt                4468
_reflns_number_total             6014
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            jo8004809-File004.cif
_cod_data_source_block           (+-)-2b
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4023507