Synthesis of NHC-Oxazoline Pincer Complexes of Rh and Ru and Their Catalytic Activity for Hydrogenation and Conjugate Reduction
Ito, Jun-ichi; Sugino, Kanae; Matsushima, Satoru; Sakaguchi, Hiroki; Iwata, Hiroshi; Ishihara, Takahiro; Nishiyama, Hisao; Organometallics 35 (2016) 1885–; doi:10.1021/acs.organomet.6b00239

data_4088610
_publ_section_title
;
 Synthesis of NHC-Oxazoline Pincer Complexes of Rh and Ru and Their
 Catalytic Activity for Hydrogenation and Conjugate Reduction
;
_journal_issue                   11
_journal_name_full               Organometallics
_journal_page_first              1885
_journal_paper_doi               10.1021/acs.organomet.6b00239
_journal_volume                  35
_journal_year                    2016
_chemical_absolute_configuration rm
_chemical_formula_sum            'C48 H70 Cl4 N6 O2 Rh2'
_chemical_formula_weight         1110.72
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           'APEX2 v2013.6-2'
_cell_angle_alpha                90
_cell_angle_beta                 102.0379(12)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   13.9235(7)
_cell_length_b                   13.2104(6)
_cell_length_c                   14.2661(6)
_cell_measurement_reflns_used    9960
_cell_measurement_temperature    93.(2)
_cell_measurement_theta_max      25.0683
_cell_measurement_theta_min      2.4154
_cell_volume                     2566.3(2)
_computing_cell_refinement       'SAINT V8.32B (Bruker AXS Inc., 2013)'
_computing_data_collection       'Bruker Instrument Service v3.0.29'
_computing_data_reduction        'SAINT V8.32B (Bruker AXS Inc., 2013)'
_computing_molecular_graphics    'XSHELL V6.3.1 (Bruke AXS)'
_computing_publication_material  'Generate Report (Bruker AXS)'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_diffrn_ambient_temperature      93.(2)
_diffrn_detector_area_resol_mean 10.4167
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker D8 goniometer'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0316
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            18268
_diffrn_reflns_theta_full        25.07
_diffrn_reflns_theta_max         25.07
_diffrn_reflns_theta_min         2.42
_diffrn_source                   'sealed tube'
_exptl_absorpt_coefficient_mu    0.894
_exptl_absorpt_correction_T_max  0.96
_exptl_absorpt_correction_T_min  0.84
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SADABS V2012/1 (Bruker AXS Inc.)'
_exptl_crystal_colour            'clear pale yellow'
_exptl_crystal_density_diffrn    1.437
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1148
_exptl_crystal_size_max          0.400
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.050
_refine_diff_density_max         0.980
_refine_diff_density_min         -0.230
_refine_ls_abs_structure_details
;
Flack x determined using 3525 quotients [(I+)-(I-)]/[(I+)+(I-)]
(Parsons and Flack (2004), Acta Cryst. A60, s61).
;
_refine_ls_abs_structure_Flack   0.007(11)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.060
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     573
_refine_ls_number_reflns         8393
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.059
_refine_ls_R_factor_all          0.0240
_refine_ls_R_factor_gt           0.0230
_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^)+(0.0152P)^2^+1.3676P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0567
_refine_ls_wR_factor_ref         0.0573
_reflns_number_gt                8197
_reflns_number_total             8393
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            om6b00239_si_001.cif
_cod_data_source_block           5b
_cod_database_code               4088610
_shelx_res_checksum              79500
_shelx_hkl_checksum              4005