Anthryl-Substituted 3-Silylene-2-silaaziridine Obtained by Isomerization of Disilacyclopropanimine: An Exocyclic Silene Showing a Distinct Intramolecular Charge Transfer Transition
Takeaki Iwamoto; Nobuyoshi Ohnishi; Naohiko Akasaka; Koichi Ohno; Shintaro Ishida; Journal of the American Chemical Society 135 (2013) 10606–10609; doi:10.1021/ja404045f

data_4120146
_publ_section_title
;
 Anthryl-Substituted 3-Silylene-2-silaaziridine Obtained by Isomerization
 of Disilacyclopropanimine: An Exocyclic Silene Showing a Distinct
 Intramolecular Charge Transfer Transition
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              10606
_journal_page_last               10609
_journal_paper_doi               10.1021/ja404045f
_journal_volume                  135
_journal_year                    2013
_chemical_formula_sum            'C47 H77 N O Si6'
_chemical_formula_weight         840.64
_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                80.765(2)
_cell_angle_beta                 82.540(2)
_cell_angle_gamma                72.6420(10)
_cell_formula_units_Z            4
_cell_length_a                   15.3783(16)
_cell_length_b                   17.7030(19)
_cell_length_c                   20.580(2)
_cell_measurement_reflns_used    '   6013'
_cell_measurement_temperature    100
_cell_measurement_theta_max      '      25.29'
_cell_measurement_theta_min      '       2.31'
_cell_volume                     5258.3(9)
_computing_cell_refinement       'APEX2 (Bruker AXS, 2006)'
_computing_data_collection       'APEX2 '
_computing_data_reduction        'SAINT (Bruker AXS, 2004)'
_computing_molecular_graphics    'XSHEL (Bruker AXS,2002)'
_computing_publication_material  'XCIF (Bruker AXS, 2001)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100
_diffrn_detector_area_resol_mean 8.333
_diffrn_measured_fraction_theta_full 0.977
_diffrn_measured_fraction_theta_max 0.977
_diffrn_measurement_device_type  'Bruker APEXII CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  'Bruker Helios multilayer confocal mirror'
_diffrn_radiation_source         'Bruker TXS fine-focus rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0294
_diffrn_reflns_av_sigmaI/netI    0.0746
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            24725
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.22
_exptl_absorpt_coefficient_mu    0.190
_exptl_absorpt_correction_T_max  0.9812
_exptl_absorpt_correction_T_min  0.9629
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
;
SADABS Sheldrick 1996
;
_exptl_crystal_colour            brownish
_exptl_crystal_density_diffrn    1.062
_exptl_crystal_description       plate
_exptl_crystal_F_000             1832
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_platon_squeeze_details
;
;
_refine_diff_density_max         0.724
_refine_diff_density_min         -0.404
_refine_diff_density_rms         0.063
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.000
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1029
_refine_ls_number_reflns         18114
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.000
_refine_ls_R_factor_all          0.0859
_refine_ls_R_factor_gt           0.0508
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0699P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1220
_refine_ls_wR_factor_ref         0.1330
_reflns_number_gt                12273
_reflns_number_total             18114
_reflns_threshold_expression     >2sigma
_cod_data_source_file            ja404045f_si_002_1.cif
_cod_data_source_block           disilacyclopropanimine_2a_(anthryl,no09)
_cod_original_cell_volume        5258.3(10)
_cod_database_code               4120146