Mixed Bis(μ-silylene) and (μ-Silylene)/(μ-Germylene) Complexes Involving the Rh/Ir Metal Combination: Nature of the Si...Si Interactions in the Bis(μ-silylene) Species
Md Hosnay Mobarok; Robert McDonald; Michael J. Ferguson; Martin Cowie; Inorganic Chemistry 51 (2012) 9249–9258; doi:10.1021/ic300720y

data_4330152
_publ_section_title
;
 Mixed Bis(\m-silylene) and (\m-Silylene)/(\m-Germylene) Complexes
 Involving the Rh/Ir Metal Combination: Nature of the Si...Si Interactions
 in the Bis(\m-silylene) Species
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              9249
_journal_page_last               9258
_journal_paper_doi               10.1021/ic300720y
_journal_volume                  51
_journal_year                    2012
_chemical_formula_moiety         'C70 H60 Ir O2 P4 Rh Si2, C H2 Cl2'
_chemical_formula_sum            'C71 H62 Cl2 Ir O2 P4 Rh Si2'
_chemical_formula_weight         1493.28
_chemical_name_systematic
; 
 ? 
;
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_cell_angle_alpha                90.00
_cell_angle_beta                 90.6052(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   19.1085(9)
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_cell_measurement_theta_min      2.54
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_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
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_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'DIRDIF-2008 (Beurskens et al., 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEX-II 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     0.71073
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_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
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_diffrn_reflns_limit_l_min       -26
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_diffrn_reflns_theta_full        26.45
_diffrn_reflns_theta_max         26.45
_diffrn_reflns_theta_min         1.63
_exptl_absorpt_coefficient_mu    2.648
_exptl_absorpt_correction_T_max  0.8004
_exptl_absorpt_correction_T_min  0.6290
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2008)'
_exptl_crystal_colour            colourless
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_refine_diff_density_max         1.017
_refine_diff_density_min         -0.961
_refine_diff_density_rms         0.105
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.020
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     753
_refine_ls_number_reflns         12939
_refine_ls_number_restraints     0
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_refine_ls_R_factor_all          0.0479
_refine_ls_R_factor_gt           0.0312
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0272P)^2^+5.3211P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_refine_ls_wR_factor_ref         0.0720
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_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ic300720y_si_002_6.cif
_cod_data_source_block           cow1131
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4330152