Synthesis of η(2)-cyclooctene iridium and rhodium complexes supported by a novel P,N-chelate ligand and their reactivity toward hydrosilanes: facile Cl migration from metal to silicon via silylene complex intermediates and formation of a base-stabilised silylene complex.
Hashimoto, Hisako; Suzuki, Toshinori; Tobita, Hiromi; Dalton transactions (Cambridge, England : 2003) 39 (2010) 9386–9400; doi:10.1039/c0dt00264j

data_7026198
_publ_section_title
;
 Synthesis of \h(2)-cyclooctene iridium and rhodium complexes supported by
 a novel P,N-chelate ligand and their reactivity toward hydrosilanes:
 facile Cl migration from metal to silicon via silylene complex
 intermediates and formation of a base-stabilised silylene complex.
;
_journal_issue                   39
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              9386
_journal_page_last               9400
_journal_paper_doi               10.1039/c0dt00264j
_journal_volume                  39
_journal_year                    2010
_chemical_formula_moiety         'C31 H64 Cl Ir N P Si4'
_chemical_formula_sum            'C31 H64 Cl Ir N P Si4'
_chemical_formula_weight         821.81
_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                 96.0413(11)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.5618(3)
_cell_length_b                   18.3157(4)
_cell_length_c                   17.9750(5)
_cell_measurement_reflns_used    8508
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      1.59
_cell_volume                     3785.29(17)
_computing_cell_refinement       PROCESS-AUTO
_computing_data_collection       PROCESS-AUTO
_computing_data_reduction        'teXsan Ver. 1.11'
_computing_molecular_graphics    ORTEP
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 10.00
_diffrn_measured_fraction_theta_full 0.982
_diffrn_measured_fraction_theta_max 0.982
_diffrn_measurement_device_type  'Rigaku RAXIS-RAPID Imaging Plate'
_diffrn_measurement_method       \w
_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  0.0986
_diffrn_reflns_av_sigmaI/netI    0.0739
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            33309
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         1.59
_exptl_absorpt_coefficient_mu    3.788
_exptl_absorpt_correction_T_max  0.7268
_exptl_absorpt_correction_T_min  0.6593
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details   'NUMABS (Higashi, 1999)'
_exptl_crystal_colour            yellowish-white
_exptl_crystal_density_diffrn    1.442
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1688
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.09
_refine_diff_density_max         1.197
_refine_diff_density_min         -2.692
_refine_diff_density_rms         0.253
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.298
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     359
_refine_ls_number_reflns         8508
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.298
_refine_ls_R_factor_all          0.1082
_refine_ls_R_factor_gt           0.0800
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0665P)^2^+20.9692P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1634
_refine_ls_wR_factor_ref         0.1751
_reflns_number_gt                6769
_reflns_number_total             8508
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0dt00264j.txt
_cod_data_source_block           (PcyN-P,N)IrH3[SiMe2C(SiMe3)2SiClMe-Si,Si]-(9)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7026198