Chiral N-Heterocyclic Carbenes with Restricted Flexibility in Asymmetric Catalysis†
Baskakov, Denys; Herrmann, Wolfgang A.; Herdtweck, Eberhardt; Hoffmann, Stephan D.; Organometallics 26 (2007) 626–; doi:10.1021/om0607806

data_4072545
_publ_section_title
;
 Chiral N-Heterocyclic Carbenes with Restricted Flexibility in Asymmetric
 Catalysis&#x2020;
;
_journal_issue                   3
_journal_name_full               Organometallics
_journal_page_first              626
_journal_paper_doi               10.1021/om0607806
_journal_volume                  26
_journal_year                    2007
_chemical_formula_moiety         'C39 H36 Cl N2 Rh'
_chemical_formula_sum            'C39 H36 Cl N2 Rh'
_chemical_formula_weight         671.06
_chemical_name_systematic        ?
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_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
_cell_angle_alpha                90
_cell_angle_beta                 100.5025(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.0849(1)
_cell_length_b                   14.3306(1)
_cell_length_c                   20.1878(1)
_cell_measurement_reflns_used    6036
_cell_measurement_temperature    173(1)
_cell_measurement_theta_max      25.37
_cell_measurement_theta_min      1.75
_cell_volume                     3153.17(4)
_computing_cell_refinement       'DENZO (Nonius, 2001b)'
_computing_data_collection       'Kappa-CCD Control Software (Nonius, 2001a)'
_computing_data_reduction        'DENZO (Nonius, 2001b)'
_computing_molecular_graphics    'PLATON (Spek, 2001)'
_computing_publication_material  'PLATON (Spek, 2001)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1998)'
_computing_structure_solution    'SIR92 (Altomare, 1994)'
_diffrn_ambient_temperature      173(1)
_diffrn_detector                 ' CCD plate '
_diffrn_detector_area_resol_mean 18
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       ' \k-geometry diffractometer '
_diffrn_measurement_device_type  ' Nonius \k-CCD diffractometer'
_diffrn_measurement_method       ' phi- and omega-rotation '
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'NONIUS FR 591 rotating anode'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.057
_diffrn_reflns_av_sigmaI/netI    0.0264
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            78141
_diffrn_reflns_theta_full        25.37
_diffrn_reflns_theta_max         25.37
_diffrn_reflns_theta_min         1.75
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    0.657
_exptl_absorpt_correction_T_max  0.946
_exptl_absorpt_correction_T_min  0.831
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'(applied during the scaling procedure; Nonius, 2001b)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.414
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    none
_exptl_crystal_description       fragment
_exptl_crystal_F_000             1384
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.08
_refine_diff_density_max         2.85
_refine_diff_density_min         -0.88
_refine_diff_density_rms         0.087
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     388
_refine_ls_number_reflns         5779
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0589
_refine_ls_R_factor_gt           0.0452
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(Fo^2^)+(0.0677P)^2^+5.8670P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      sigma
_refine_ls_wR_factor_gt          0.1159
_refine_ls_wR_factor_ref         0.1236
_reflns_number_gt                4680
_reflns_number_total             5779
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            om0607806si20060828_081844.cif
_cod_data_source_block           BASD-4457-173
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4072545