The Question of Aromaticity in Open-Shell Cations and Anions as Ion-Radical Offsprings of Polycyclic Aromatic and Antiaromatic Hydrocarbons
Sergiy V. Rosokha; Jay K. Kochi; Journal of Organic Chemistry 71 (2006) 9357–9365; doi:10.1021/jo061695a

data_4022151
_publ_section_title
;
 The Question of Aromaticity in Open-Shell Cations and Anions as
 Ion-Radical Offsprings of Polycyclic Aromatic and Antiaromatic Hydrocarbons
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              9357
_journal_page_last               9365
_journal_paper_doi               10.1021/jo061695a
_journal_volume                  71
_journal_year                    2006
_chemical_formula_moiety         'C18 H24, Cl6 Sb, 2(C H2 Cl2)'
_chemical_formula_sum            'C20 H28 Cl10 Sb'
_chemical_formula_weight         744.67
_chemical_name_common            'OMN-SbCl6, DCM solvate'
_chemical_name_systematic
; 
 Octamethylnaphtalenium hexachloroantimonate, dichloromethane solvate
;
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_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                76.18(9)
_cell_angle_beta                 86.32(6)
_cell_angle_gamma                68.60(8)
_cell_formula_units_Z            1
_cell_length_a                   9.019(6)
_cell_length_b                   9.227(7)
_cell_length_c                   9.623(7)
_cell_measurement_reflns_used    48
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      20.68
_cell_measurement_theta_min      2.43
_cell_volume                     723.8(10)
_computing_cell_refinement       'SAINT V6.28 (BrukerAXS, 1997-2001)'
_computing_data_collection       'SMART V5.630 (BrukerAXS, 1997-2001)'
_computing_data_reduction        'SAINT & SADABS V2.06 (Sheldrick, 2000)'
_computing_molecular_graphics    'XP V5.06 (BrukerAXS, 1997-99)'
_computing_publication_material  'SHELXL-93, XCIF V5.05 (BrukerAXS, 1997-99)'
_computing_structure_refinement  'SHELXTL v. 6.12 (Sheldrick, 2001)'
_computing_structure_solution    'SHELXTL v. 6.12 (Sheldrick, 2001)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.956
_diffrn_measurement_device       'Siemens SMART'
_diffrn_measurement_method
;
\w-scan, frame range 0.3 deg, hemisphere
;
_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  0.0224
_diffrn_reflns_av_sigmaI/netI    0.0214
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            10929
_diffrn_reflns_theta_full        30.00
_diffrn_reflns_theta_max         30.55
_diffrn_reflns_theta_min         2.18
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.885
_exptl_absorpt_correction_T_max  0.754
_exptl_absorpt_correction_T_min  0.562
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Semi-empirical (SADABS procedure)'
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.708
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             369
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.15
_refine_diff_density_max         1.056
_refine_diff_density_min         -0.383
_refine_diff_density_rms         0.100
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.996
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     144
_refine_ls_number_reflns         4245
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.996
_refine_ls_R_factor_all          0.0299
_refine_ls_R_factor_gt           0.0282
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0566P)^2^+0.0571P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0758
_refine_ls_wR_factor_ref         0.0769
_reflns_number_gt                3989
_reflns_number_total             4245
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo061695asi20060815_023138.cif
_cod_database_code               4022151