Synthesis and Reactivity of New Complexes of Rhodium and Iridium with Bis(dichloroimidazolylidene) Ligands. Electronic and Catalytic Implications of the Introduction of the Chloro Substituents in the NHC Rings
Viciano, Mónica; Mas-Marzá, Elena; Sanaú, Mercedes; Peris, Eduardo; Organometallics 25 (2006) 3063–; doi:10.1021/om060174a

data_4075272
_publ_section_title
;
 Synthesis and Reactivity of New Complexes of Rhodium and Iridium with
 Bis(dichloroimidazolylidene) Ligands. Electronic and Catalytic
 Implications of the Introduction of the Chloro Substituents in the NHC
 Rings
;
_journal_issue                   12
_journal_name_full               Organometallics
_journal_page_first              3063
_journal_paper_doi               10.1021/om060174a
_journal_volume                  25
_journal_year                    2006
_chemical_formula_sum            'C13 H12 Cl4 F6 N4 O2 P Rh'
_chemical_formula_weight         645.95
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           11
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yb'
_symmetry_space_group_name_H-M   'P 1 21/m 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                 104.81(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.0885(16)
_cell_length_b                   15.882(3)
_cell_length_c                   8.9084(18)
_cell_measurement_temperature    293(2)
_cell_volume                     1106.4(4)
_computing_cell_refinement       'BRUKER SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'BRUKER SAINT'
_computing_molecular_graphics    'BRUKER SHELXTL'
_computing_publication_material  'BRUKER SHELXTL'
_computing_structure_refinement  'BRUKER SHELXTL'
_computing_structure_solution    'BRUKER SHELXTL'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0772
_diffrn_reflns_av_sigmaI/netI    0.0853
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            4642
_diffrn_reflns_theta_full        21.96
_diffrn_reflns_theta_max         21.96
_diffrn_reflns_theta_min         2.36
_exptl_absorpt_coefficient_mu    1.396
_exptl_absorpt_correction_type   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.939
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             632
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.22
_refine_diff_density_max         1.817
_refine_diff_density_min         -0.968
_refine_diff_density_rms         0.273
_refine_ls_extinction_coef       0.29(4)
_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   1.123
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     150
_refine_ls_number_reflns         1405
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.123
_refine_ls_R_factor_all          0.1191
_refine_ls_R_factor_gt           0.0919
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.2000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2475
_refine_ls_wR_factor_ref         0.2752
_reflns_number_gt                1062
_reflns_number_total             1405
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om060174asi20060404_100118.cif
_cod_data_source_block           compound_5
_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 
;
_cod_original_sg_symbol_H-M      P2(1)/m
_cod_database_code               4075272