Rhodium(III) Complexes Containing C4-Bound N-Heterocyclic Carbenes: Synthesis, Coordination Chemistry, and Catalytic Activity in Transfer Hydrogenation
Yang, Liangru; Krüger, Anneke; Neels, Antonia; Albrecht, Martin; Organometallics 27 (2008) 3161–; doi:10.1021/om800110c

data_4071330
_publ_section_title
;
 Rhodium(III) Complexes Containing C4-Bound N-Heterocyclic Carbenes:
 Synthesis, Coordination Chemistry, and Catalytic Activity in Transfer
 Hydrogenation
;
_journal_issue                   13
_journal_name_full               Organometallics
_journal_page_first              3161
_journal_paper_doi               10.1021/om800110c
_journal_volume                  27
_journal_year                    2008
_chemical_formula_sum            'C23 H36 I3 N8 Rh'
_chemical_formula_weight         908.21
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 114.912(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   22.7660(9)
_cell_length_b                   17.1487(10)
_cell_length_c                   18.2406(7)
_cell_measurement_reflns_used    29051
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      29.56
_cell_measurement_theta_min      1.54
_cell_volume                     6458.7(5)
_computing_cell_refinement       'STOE X-AREA'
_computing_data_collection       'STOE X-AREA'
_computing_data_reduction        'STOE X-RED'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector_area_resol_mean 6.67
_diffrn_measured_fraction_theta_full 0.970
_diffrn_measured_fraction_theta_max 0.970
_diffrn_measurement_device_type  'STOE IPDS 2'
_diffrn_measurement_method       'rotation method'
_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  0.0357
_diffrn_reflns_av_sigmaI/netI    0.0324
_diffrn_reflns_limit_h_max       31
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            35931
_diffrn_reflns_theta_full        29.29
_diffrn_reflns_theta_max         29.29
_diffrn_reflns_theta_min         1.54
_exptl_absorpt_coefficient_mu    3.422
_exptl_absorpt_correction_T_max  0.416
_exptl_absorpt_correction_T_min  0.350
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'MULscanABS, (PLATON03, Speck, 2003)'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.868
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rod
_exptl_crystal_F_000             3472
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.635
_refine_diff_density_min         -1.219
_refine_diff_density_rms         0.109
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.945
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     332
_refine_ls_number_reflns         8578
_refine_ls_number_restraints     8
_refine_ls_restrained_S_all      0.946
_refine_ls_R_factor_all          0.0448
_refine_ls_R_factor_gt           0.0303
_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^)+(0.0452P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0700
_refine_ls_wR_factor_ref         0.0732
_reflns_number_gt                6551
_reflns_number_total             8578
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om800110c-file013.cif
_cod_data_source_block           compound-3c
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               4071330