Synthesis and Characterization of Nitrile-Functionalized N-Heterocyclic Carbenes and Their Complexes of Silver(I) and Rhodium(I)
O, Wylie W. N.; Lough, Alan J.; Morris, Robert H.; Organometallics 28 (2009) 853–; doi:10.1021/om8009377

data_4068558
_publ_section_title
;
 Synthesis and Characterization of Nitrile-Functionalized N-Heterocyclic
 Carbenes and Their Complexes of Silver(I) and Rhodium(I)
;
_journal_issue                   3
_journal_name_full               Organometallics
_journal_page_first              853
_journal_paper_doi               10.1021/om8009377
_journal_volume                  28
_journal_year                    2009
_chemical_formula_moiety         'C38 H42 N6 Rh2, 2(B F4)'
_chemical_formula_sum            'C38 H42 B2 F8 N6 Rh2'
_chemical_formula_weight         962.22
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           43
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'F 2 -2d'
_symmetry_space_group_name_H-M   'F d d 2'
_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            8
_cell_length_a                   25.3729(3)
_cell_length_b                   30.2083(7)
_cell_length_c                   9.9140(7)
_cell_measurement_reflns_used    14622
_cell_measurement_temperature    150(1)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      2.7
_cell_volume                     7598.8(6)
_computing_cell_refinement       'Denzo-SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'Collect (Nonius B.V., 1997-2002)'
_computing_data_reduction        Denzo-SMN
_computing_molecular_graphics    'PLATON (Spek, 2003)'
_computing_publication_material  'SHELXTL V6.1'
_computing_structure_refinement  'SHELXTL V6.1 (Sheldrick, 2008)'
_computing_structure_solution    'SIR-92 (Altomare et al., 1994)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       '\f scans and \w scans with \k offsets'
_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  0.0528
_diffrn_reflns_av_sigmaI/netI    0.0567
_diffrn_reflns_limit_h_max       32
_diffrn_reflns_limit_h_min       -29
_diffrn_reflns_limit_k_max       38
_diffrn_reflns_limit_k_min       -39
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            14622
_diffrn_reflns_theta_full        27.47
_diffrn_reflns_theta_max         27.47
_diffrn_reflns_theta_min         2.70
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.946
_exptl_absorpt_correction_T_max  0.944
_exptl_absorpt_correction_T_min  0.844
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
multi-scan from symmetry-related measurements 
 Sortav (Blessing 1995) 
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.682
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             3872
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.12
_refine_diff_density_max         1.450
_refine_diff_density_min         -0.593
_refine_diff_density_rms         0.108
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.08(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.081
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     253
_refine_ls_number_reflns         4015
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.081
_refine_ls_R_factor_all          0.0590
_refine_ls_R_factor_gt           0.0398
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0368P)^2^+36.7301P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0826
_refine_ls_wR_factor_ref         0.0922
_reflns_number_gt                3339
_reflns_number_total             4015
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            om8009377_si_001.cif
_cod_data_source_block           '[Rhcod(m-CN)]2(BF4)2'
_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_database_code               4068558