Cyclometalated N-Heterocyclic Carbene Complexes of Ruthenium for Access to Electron-Rich Silylene Complexes That Bind the Lewis Acids CuOTf and AgOTf.
Liu, Hsueh-Ju; Raynaud, Christophe; Eisenstein, Odile; Tilley, T. Don; Journal of the American Chemical Society 136 (2014) 11473–11482; doi:10.1021/ja5054237

data_4122538
_publ_section_title
;
 Cyclometalated N-Heterocyclic Carbene Complexes of Ruthenium for Access
 to Electron-Rich Silylene Complexes That Bind the Lewis Acids CuOTf and
 AgOTf.
;
_journal_issue                   32
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              11473
_journal_page_last               11482
_journal_paper_doi               10.1021/ja5054237
_journal_volume                  136
_journal_year                    2014
_chemical_formula_sum            'C43 H49 N2 Ru Si'
_chemical_formula_weight         723.00
_chemical_name_systematic
;
 ?
;
_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                 94.557(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   21.079(8)
_cell_length_b                   8.837(3)
_cell_length_c                   20.204(8)
_cell_measurement_reflns_used    1804
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      23.96
_cell_measurement_theta_min      2.50
_cell_volume                     3752(2)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    ORTEP-32
_computing_publication_material  WinGx
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.366
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \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  0.2278
_diffrn_reflns_av_sigmaI/netI    0.3281
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            18438
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.44
_diffrn_reflns_theta_min         0.97
_exptl_absorpt_coefficient_mu    0.481
_exptl_absorpt_correction_T_max  0.9857
_exptl_absorpt_correction_T_min  0.9445
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.280
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1516
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.861
_refine_diff_density_min         -1.300
_refine_diff_density_rms         0.139
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.923
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     434
_refine_ls_number_reflns         6845
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      0.923
_refine_ls_R_factor_all          0.2334
_refine_ls_R_factor_gt           0.0920
_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^)+(0.0558P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1460
_refine_ls_wR_factor_ref         0.1942
_reflns_number_gt                2756
_reflns_number_total             6845
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja5054237_si_003.cif
_cod_data_source_block           shelx
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/current/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_cell_volume        3751(2)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4122538