Development of Nitrile-Functionalized Ionic Liquids for C−C Coupling Reactions: Implication of Carbene and Nanoparticle Catalysts
Fei, Zhaofu; Zhao, Dongbin; Pieraccini, Daniela; Ang, Wee Han; Geldbach, Tilmann J.; Scopelliti, Rosario; Chiappe, Cinzia; Dyson, Paul J.; Organometallics 26 (2007) 1588–; doi:10.1021/om060950e

data_4072693
_publ_section_title
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 Development of Nitrile-Functionalized Ionic Liquids for C&#x2212;C
 Coupling Reactions:&#x00A0; Implication of Carbene and Nanoparticle
 Catalysts
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_journal_issue                   7
_journal_name_full               Organometallics
_journal_page_first              1588
_journal_paper_doi               10.1021/om060950e
_journal_volume                  26
_journal_year                    2007
_chemical_formula_sum            'C18 H28 Cl4 N6 Pd'
_chemical_formula_weight         576.66
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_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
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 104.847(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.3277(4)
_cell_length_b                   11.3897(8)
_cell_length_c                   13.1294(9)
_cell_measurement_reflns_used    6442
_cell_measurement_temperature    140(2)
_cell_measurement_theta_max      29.14925
_cell_measurement_theta_min      2.4251
_cell_volume                     1203.75(13)
_computing_cell_refinement       'Oxford Diffraction CrysAlis RED'
_computing_data_collection       'Oxford Diffraction CrysAlis CCD'
_computing_data_reduction        'Oxford Diffraction CrysAlis RED'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      140(2)
_diffrn_measured_fraction_theta_full 0.982
_diffrn_measured_fraction_theta_max 0.982
_diffrn_measurement_device_type  'Oxford Diffraction KM4/Sapphire CCD'
_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  0.0320
_diffrn_reflns_av_sigmaI/netI    0.0204
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            6906
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         3.10
_exptl_absorpt_coefficient_mu    1.232
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            amber
_exptl_crystal_density_diffrn    1.591
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             584
_exptl_crystal_size_max          0.13
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.710
_refine_diff_density_min         -0.750
_refine_diff_density_rms         0.075
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.091
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     135
_refine_ls_number_reflns         2085
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.091
_refine_ls_R_factor_all          0.0254
_refine_ls_R_factor_gt           0.0230
_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^)+(0.0440P)^2^+0.1115P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0632
_refine_ls_wR_factor_ref         0.0642
_reflns_number_gt                1910
_reflns_number_total             2085
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om060950esi20061016_050010.cif
_cod_data_source_block           2d_pd74
_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)/c
_cod_database_code               4072693