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_7026196
_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         'C52 H81 Cl2 Ir2 N2 P2 Si, C7 H8'
_chemical_formula_sum            'C59 H89 Cl2 Ir2 N2 P2 Si'
_chemical_formula_weight         1371.65
_chemical_name_systematic
;
?
;
_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                71.710(2)
_cell_angle_beta                 80.573(2)
_cell_angle_gamma                69.440(2)
_cell_formula_units_Z            2
_cell_length_a                   12.1763(8)
_cell_length_b                   15.2748(8)
_cell_length_c                   17.6511(12)
_cell_measurement_reflns_used    12585
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.42
_cell_measurement_theta_min      1.22
_cell_volume                     2913.2(3)
_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 0.948
_diffrn_measured_fraction_theta_max 0.948
_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  0.0539
_diffrn_reflns_av_sigmaI/netI    0.0611
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            26343
_diffrn_reflns_theta_full        27.42
_diffrn_reflns_theta_max         27.42
_diffrn_reflns_theta_min         1.22
_exptl_absorpt_coefficient_mu    4.769
_exptl_absorpt_correction_T_max  0.6220
_exptl_absorpt_correction_T_min  0.4978
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details   'NUMABS (Higashi, 1999)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.564
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1378
_exptl_crystal_size_max          0.17
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.11
_refine_diff_density_max         1.231
_refine_diff_density_min         -2.298
_refine_diff_density_rms         0.366
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.255
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     614
_refine_ls_number_reflns         12585
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.255
_refine_ls_R_factor_all          0.0854
_refine_ls_R_factor_gt           0.0601
_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^)+(0.0674P)^2^+16.5323P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1426
_refine_ls_wR_factor_ref         0.1565
_reflns_number_gt                9998
_reflns_number_total             12585
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0dt00264j.txt
_cod_data_source_block
(PcyN-P,N)2Ir2H(m-Cl)(m-H)[m-SiMeCl(C6H3-2,4,-Me2-6-CH)-Si,C,C]-(7)?C7H8
_cod_database_code               7026196