Stepwise Reversible Oxidation of N-Peralkyl-Substituted NHC-CAAC Derived Triazaalkenes: Isolation of Radical Cations and Dications.
Mandal, Debdeep; Dolai, Ramapada; Chrysochos, Nicolas; Kalita, Pankaj; Kumar, Ravi; Dhara, Debabrata; Maiti, Avijit; Narayanan, Ramakirushnan Suriya; Rajaraman, Gopalan; Schulzke, Carola; Chandrasekhar, Vadapalli; Jana, Anukul; Organic letters 19 (2017) 5605–5608; doi:10.1021/acs.orglett.7b02721

data_1547510
_publ_section_title
;
 Stepwise Reversible Oxidation of N-Peralkyl-Substituted NHC-CAAC Derived
 Triazaalkenes: Isolation of Radical Cations and Dications.
;
_journal_issue                   20
_journal_name_full               'Organic letters'
_journal_page_first              5605
_journal_page_last               5608
_journal_paper_doi               10.1021/acs.orglett.7b02721
_journal_volume                  19
_journal_year                    2017
_chemical_formula_moiety         'C F3 O3 S, C18 H33 N3'
_chemical_formula_sum            'C19 H33 F3 N3 O3 S'
_chemical_formula_weight         440.54
_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'
_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
_audit_creation_date             2017-01-18
_audit_creation_method
;
Olex2 1.2-alpha
(compiled 2016.02.24 svn.r3266 for OlexSys, GUI svn.r5155)
;
_cell_angle_alpha                90
_cell_angle_beta                 101.259(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   13.4463(6)
_cell_length_b                   8.2683(3)
_cell_length_c                   20.7728(9)
_cell_measurement_reflns_used    4778
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.07
_cell_measurement_theta_min      2.28
_cell_volume                     2265.03(16)
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'Bruker APEX2 area detector'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'CCD area detector'
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_radiation_monochromator  'mirror optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0741
_diffrn_reflns_av_unetI/netI     0.0413
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            32854
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.392
_diffrn_reflns_theta_min         2.275
_diffrn_source                   'microfocus sealed X-ray tube'
_diffrn_source_type              'Incoatec I\ms'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.191
_exptl_absorpt_correction_T_max  0.7454
_exptl_absorpt_correction_T_min  0.6196
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2014/5 (Bruker,2014/5) was used for absorption correction.
wR2(int) was 0.1161 before and 0.0611 after correction.
The Ratio of minimum to maximum transmission is 0.8312.
The \l/2 correction factor is 0.00150.
;
_exptl_crystal_colour            red
_exptl_crystal_colour_primary    red
_exptl_crystal_density_diffrn    1.292
_exptl_crystal_description       block
_exptl_crystal_F_000             940
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.577
_refine_diff_density_min         -0.322
_refine_diff_density_rms         0.052
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     272
_refine_ls_number_reflns         4631
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.027
_refine_ls_R_factor_all          0.0641
_refine_ls_R_factor_gt           0.0423
_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^)+(0.0481P)^2^+1.2082P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0993
_refine_ls_wR_factor_ref         0.1104
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3545
_reflns_number_total             4631
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ol7b02721_si_002.cif
_cod_data_source_block           vc_pk_dm_475_0m
_cod_depositor_comments
'Adding full bibliography for 1547507--1547513.cif.'
_cod_database_code               1547510
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C16(H16)
2.b Secondary CH2 refined with riding coordinates:
 C6(H6A,H6B)
2.c Idealised Me refined as rotating group:
 C8(H8A,H8B,H8C), C9(H9A,H9B,H9C), C10(H10A,H10B,H10C), C11(H11A,H11B,H11C),
 C12(H12A,H12B,H12C), C13(H13A,H13B,H13C), C14(H14A,H14B,H14C), C15(H15A,H15B,
 H15C), C17(H17A,H17B,H17C), C18(H18A,H18B,H18C)
;
_shelx_shelxl_version_number     2016/4
_olex2_submission_special_instructions 'No special instructions were received'