Multiple Silicon-Hydrogen Bond Activations at Adjacent Rhodium and Iridium Centers
Md Hosnay Mobarok; Okemona Oke; Michael J. Ferguson; Robert McDonald; Martin Cowie; Inorganic Chemistry 49 (2010) 11556–11572; doi:10.1021/ic1017196

data_4317338
_publ_section_title
;
 Multiple Silicon-Hydrogen Bond Activations at Adjacent Rhodium and
 Iridium Centers
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              11556
_journal_page_last               11572
_journal_paper_doi               10.1021/ic1017196
_journal_volume                  49
_journal_year                    2010
_chemical_formula_moiety         'C61 H58 Ir O2 P4 Rh Si, 0.25(C H2 Cl2)'
_chemical_formula_sum            'C61.25 H58.5 Cl0.5 Ir O2 P4 Rh Si'
_chemical_formula_weight         1291.39
_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                 100.4443(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   23.3576(8)
_cell_length_b                   19.2433(7)
_cell_length_c                   24.8837(8)
_cell_measurement_reflns_used    9363
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.47
_cell_measurement_theta_min      2.28
_cell_volume                     10999.3(7)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_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
_diffrn_reflns_av_R_equivalents  0.0156
_diffrn_reflns_av_sigmaI/netI    0.0130
_diffrn_reflns_limit_h_max       30
_diffrn_reflns_limit_h_min       -30
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            95522
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         1.53
_exptl_absorpt_coefficient_mu    2.923
_exptl_absorpt_correction_T_max  0.6817
_exptl_absorpt_correction_T_min  0.2540
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2008)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.560
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             5172
_exptl_crystal_size_max          0.65
_exptl_crystal_size_mid          0.57
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.691
_refine_diff_density_min         -0.639
_refine_diff_density_rms         0.063
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1313
_refine_ls_number_reflns         25177
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0217
_refine_ls_R_factor_gt           0.0179
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0227P)^2^+8.1710P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0454
_refine_ls_wR_factor_ref         0.0473
_reflns_number_gt                22869
_reflns_number_total             25177
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ic1017196_si_002_1.cif
_cod_data_source_block           compound5
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4317338