Iridium and Ruthenium Complexes with Chelating N-Heterocyclic Carbenes: Efficient Catalysts for Transfer Hydrogenation, β-Alkylation of Alcohols, and N-Alkylation of Amines
Gnanamgari, Dinakar; Sauer, Effiette L. O.; Schley, Nathan D.; Butler, Chase; Incarvito, Christopher D.; Crabtree, Robert H.; Organometallics 28 (2009) 321–; doi:10.1021/om800821q

data_4068406
_publ_section_title
;
 Iridium and Ruthenium Complexes with Chelating N-Heterocyclic Carbenes:
 Efficient Catalysts for Transfer Hydrogenation, \b-Alkylation of
 Alcohols, and N-Alkylation of Amines
;
_journal_issue                   1
_journal_name_full               Organometallics
_journal_page_first              321
_journal_paper_doi               10.1021/om800821q
_journal_volume                  28
_journal_year                    2009
_chemical_formula_sum            'C21 H29 Cl F6 Ir N4 P'
_chemical_formula_weight         710.10
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.5743(4)
_cell_length_b                   15.7519(8)
_cell_length_c                   21.3385(11)
_cell_measurement_temperature    223(2)
_cell_volume                     2545.9(2)
_computing_cell_refinement       'Rigaku CrystalClear'
_computing_data_collection       'Rigaku CrystalClear'
_computing_data_reduction        'Rigaku CrystalClear'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      223(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Rigaku SCXMini'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0459
_diffrn_reflns_av_sigmaI/netI    0.0497
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            17746
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.13
_exptl_absorpt_coefficient_mu    5.473
_exptl_absorpt_correction_T_max  0.3928
_exptl_absorpt_correction_T_min  0.2733
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.853
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1384
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.21
_refine_diff_density_max         1.424
_refine_diff_density_min         -0.758
_refine_diff_density_rms         0.129
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.528(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.115
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     308
_refine_ls_number_reflns         5800
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.115
_refine_ls_R_factor_all          0.0406
_refine_ls_R_factor_gt           0.0359
_refine_ls_shift/su_max          0.036
_refine_ls_shift/su_mean         0.003
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0240P)^2^+3.6275P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0727
_refine_ls_wR_factor_ref         0.0740
_reflns_number_gt                5440
_reflns_number_total             5800
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om800821q_si_002.cif
_cod_data_source_block           dg01
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               4068406