Exploring the Utility of Neutral Rhodium and Iridium κ2-P,Oand κ2-P(S),OComplexes as Catalysts for Alkene Hydrogenation and Hydrosilylation
Hesp, Kevin D.; Wechsler, Dominik; Cipot, Judy; Myers, Anne; McDonald, Robert; Ferguson, Michael J.; Schatte, Gabriele; Stradiotto, Mark; Organometallics 26 (2007) 5430–; doi:10.1021/om7006437

data_4073819
_publ_section_title
;
 Exploring the Utility of Neutral Rhodium and Iridium \k2-P,Oand
 \k2-P(S),OComplexes as Catalysts for Alkene Hydrogenation and
 Hydrosilylation
;
_journal_issue                   22
_journal_name_full               Organometallics
_journal_page_first              5430
_journal_paper_doi               10.1021/om7006437
_journal_volume                  26
_journal_year                    2007
_chemical_formula_moiety         'C20 H30 Ir O P'
_chemical_formula_sum            'C20 H30 Ir O P'
_chemical_formula_weight         509.61
_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           'manual editing of SHELXL template'
_cell_angle_alpha                90.00
_cell_angle_beta                 103.8030(13)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.5940(2)
_cell_length_b                   13.7660(3)
_cell_length_c                   15.0380(3)
_cell_measurement_reflns_used    5658
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      30.03
_cell_measurement_theta_min      1.00
_cell_volume                     1928.73(7)
_computing_cell_refinement       'HKL DENZO and SCALEPACK, Bruker AXS/Nonius'
_computing_data_collection       'COLLECT, Bruker AXS/Nonius'
_computing_data_reduction        'HKL DENZO and SCALEPACK, Bruker AXS/Nonius'
_computing_molecular_graphics
' Cameron (WinGX v1.70-01), Ortep (SHELXTL-NT v6.14, Bruker AXS)'
_computing_publication_material  'WinGX v1.70.01 (L. J. Farrugia)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution
' SIR-97 (A. Altomare, G. Cascarano, C. Giacovazzo et al., 1999)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device       '95mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  'KappaCCD (BruKer AXS-Nonius, FR540C)'
_diffrn_measurement_method       'CCD rotation images, thick slices'
_diffrn_radiation_monochromator  'horizonally mounted graphite crystal'
_diffrn_radiation_source         'Nonius FR590D, fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0283
_diffrn_reflns_av_sigmaI/netI    0.0377
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            9280
_diffrn_reflns_theta_full        30.01
_diffrn_reflns_theta_max         30.01
_diffrn_reflns_theta_min         2.73
_diffrn_standards_decay_%        'no decay'
_exptl_absorpt_coefficient_mu    7.008
_exptl_absorpt_correction_T_max  0.4868
_exptl_absorpt_correction_T_min  0.3346
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'HKL Scalepack (Otwinowski & Minor 1997)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.755
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1000
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.12
_refine_diff_density_max         2.274
_refine_diff_density_min         -2.013
_refine_diff_density_rms         0.165
_refine_ls_extinction_coef       0.0034(2)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.052
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     213
_refine_ls_number_reflns         5627
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.052
_refine_ls_R_factor_all          0.0448
_refine_ls_R_factor_gt           0.0339
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0434P)^2^+3.5412P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0805
_refine_ls_wR_factor_ref         0.0871
_reflns_number_gt                4716
_reflns_number_total             5627
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om7006437-file002.cif
_cod_data_source_block           damskh0601
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4073819