Formation of Chlorosilyl Pincer-Type Rhodium Complexes by Multiple Si‒H Activations of Bis(phosphine)/Dihydrosilyl Ligands
Whited, Matthew T.; Deetz, Alexander M.; Boerma, Joseph W.; DeRosha, Daniel E.; Janzen, Daron E.; Organometallics 33 (2014) 5070–; doi:10.1021/om5006319

data_4084705
_publ_section_title
;
 Formation of Chlorosilyl Pincer-Type Rhodium Complexes by Multiple Si--H
 Activations of Bis(phosphine)/Dihydrosilyl Ligands
;
_journal_issue                   19
_journal_name_full               Organometallics
_journal_page_first              5070
_journal_paper_doi               10.1021/om5006319
_journal_volume                  33
_journal_year                    2014
_chemical_formula_moiety         'C25 H44 Cl N2 O P2 Rh Si'
_chemical_formula_sum            'C25 H44 Cl N2 O P2 Rh Si'
_chemical_formula_weight         617.01
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2014-06-12
_audit_creation_method
;
Olex2 1.2
(compiled 2014.05.21 svn.r2940 for OlexSys, GUI svn.r4846)
;
_cell_angle_alpha                90
_cell_angle_beta                 104.978(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.0902(7)
_cell_length_b                   18.1640(13)
_cell_length_c                   16.7587(12)
_cell_measurement_reflns_used    2787
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      68.22
_cell_measurement_theta_min      4.65
_cell_volume                     2967.2(4)
_computing_cell_refinement       'CrystalClear-SM Expert 2.0 r13'
_computing_data_collection
'CrystalClear-SM Expert 2.0 r13 (Rigaku, 2011)'
_computing_data_reduction        'CrystalClear-SM Expert 2.0 r13'
_computing_structure_refinement
;
SHELX, G.M. Sheldrick, Acta Cryst.
(2008). A64, 112-122
;
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173.01
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.981
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0516
_diffrn_reflns_av_unetI/netI     0.0441
_diffrn_reflns_Laue_measured_fraction_full 0.990
_diffrn_reflns_Laue_measured_fraction_max 0.981
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            24161
_diffrn_reflns_point_group_measured_fraction_full 0.990
_diffrn_reflns_point_group_measured_fraction_max 0.981
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         68.444
_diffrn_reflns_theta_min         3.657
_exptl_absorpt_coefficient_mu    7.037
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.7420
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2012/1 (Bruker,2012) was used for absorption correction.
wR2(int) was 0.0683 before and 0.0580 after correction.
The Ratio of minimum to maximum transmission is 0.7420.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.381
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1288
_exptl_crystal_size_max          0.205
_exptl_crystal_size_mid          0.135
_exptl_crystal_size_min          0.119
_refine_diff_density_max         1.418
_refine_diff_density_min         -0.460
_refine_diff_density_rms         0.084
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.047
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     310
_refine_ls_number_reflns         5354
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.047
_refine_ls_R_factor_all          0.0645
_refine_ls_R_factor_gt           0.0427
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0399P)^2^+4.2122P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0931
_refine_ls_wR_factor_ref         0.1024
_reflns_number_gt                4031
_reflns_number_total             5354
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            om5006319_si_002.cif
_cod_data_source_block           13224zz_compound5
_cod_database_code               4084705
_shelx_estimated_absorpt_t_max   0.488
_shelx_estimated_absorpt_t_min   0.326
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Secondary CH2 refined with riding coordinates:
 C8(H8A,H8B), C9(H9A,H9B)
2.b Aromatic/amide H refined with riding coordinates:
 C3(H3), C4(H4), C5(H5), C6(H6)
2.c Idealised Me refined as rotating group:
 C11(H11A,H11B,H11C), C12(H12A,H12B,H12C), C13(H13A,H13B,H13C), C15(H15A,H15B,
 H15C), C16(H16A,H16B,H16C), C17(H17A,H17B,H17C), C19(H19A,H19B,H19C), C20(H20A,
 H20B,H20C), C21(H21A,H21B,H21C), C23(H23A,H23B,H23C), C24(H24A,H24B,H24C),
 C25(H25A,H25B,H25C)
;
_shelx_res_checksum              38597
_shelx_hkl_checksum              53821