Sterically Directed Functionalization of the Redox-Active Bis(imino)acenaphthene Ligand Class: An Experimental and Theoretical Investigation
Daniel A. Evans; Ignacio Vargas-Baca; Alan H. Cowley; Journal of the American Chemical Society 135 (2013) 13939–13946; doi:10.1021/ja407070y

data_4120812
_publ_section_title
;
 Sterically Directed Functionalization of the Redox-Active
 Bis(imino)acenaphthene Ligand Class: An Experimental and Theoretical
 Investigation
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              13939
_journal_page_last               13946
_journal_paper_doi               10.1021/ja407070y
_journal_volume                  135
_journal_year                    2013
_chemical_formula_moiety         'C34 H40 N2 Si'
_chemical_formula_sum            'C34 H40 N2 Si'
_chemical_formula_weight         504.77
_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                 93.402(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.0915(10)
_cell_length_b                   13.7972(8)
_cell_length_c                   13.2201(8)
_cell_measurement_reflns_used    5159
_cell_measurement_temperature    163(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      3.05
_cell_volume                     2929.9(3)
_computing_cell_refinement       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_collection       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_reduction        'CrystalClear (Rigaku Inc., 2008)'
_computing_molecular_graphics    'XP SHELXTL/PC, Siemens Analytical'
_computing_structure_refinement  'XL SHELXTL/PC, Siemens Analytical'
_computing_structure_solution
;

SIR97 - Altomare A., Burla M.C., Camalli M., Cascarano G.L., Giacovazzo C., 
Guagliardi A., Moliterni A.G.G., Polidori G.,Spagna R.
;
_diffrn_ambient_temperature      163(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Rigaku SCX-Mini Mercury CCD'
_diffrn_measurement_method       \w-scans
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0720
_diffrn_reflns_av_sigmaI/netI    0.0528
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            25234
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         3.09
_exptl_absorpt_coefficient_mu    0.104
_exptl_absorpt_correction_T_max  1.00
_exptl_absorpt_correction_T_min  0.7502
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Abscor. T. Higashi. (2001). Rigaku Corp. Tokyo, Japan
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.144
_exptl_crystal_description       Chunk
_exptl_crystal_F_000             1088
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.19
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.238
_refine_diff_density_min         -0.345
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.059
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     347
_refine_ls_number_reflns         5159
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.059
_refine_ls_R_factor_all          0.0714
_refine_ls_R_factor_gt           0.0536
_refine_ls_shift/su_max          0.009
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0429P)^2^+2.2934P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1192
_refine_ls_wR_factor_ref         0.1286
_reflns_number_gt                4041
_reflns_number_total             5159
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja407070y_si_004.cif
_cod_data_source_block           shelxl
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4120812