C−CN Bond Activation of Aromatic Nitriles and Fluxionality of the η2-Arene Intermediates: Experimental and Theoretical Investigations
Li, Ting; García, Juventino J.; Brennessel, William W.; Jones, William D.; Organometallics 29 (2010) 2430–; doi:10.1021/om100001m

data_4065557
_publ_section_title
;
 C&#x2212;CN Bond Activation of Aromatic Nitriles and Fluxionality of the
 \h2-Arene Intermediates: Experimental and Theoretical Investigations
;
_journal_issue                   11
_journal_name_full               Organometallics
_journal_page_first              2430
_journal_paper_doi               10.1021/om100001m
_journal_volume                  29
_journal_year                    2010
_chemical_formula_moiety         'C22 H36 N2 Ni P2'
_chemical_formula_sum            'C22 H36 N2 Ni P2'
_chemical_formula_weight         449.18
_chemical_name_common            '[Ni(dippe)]2(NC-C6H4-CN)'
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 94.019(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.9798(10)
_cell_length_b                   13.9870(16)
_cell_length_c                   18.626(2)
_cell_measurement_reflns_used    4012
_cell_measurement_temperature    100.0(1)
_cell_measurement_theta_max      31.47
_cell_measurement_theta_min      2.59
_cell_volume                     2333.7(4)
_computing_cell_refinement       'SAINT (Bruker, 2006)'
_computing_data_collection       'APEX2 (Bruker, 2006)'
_computing_data_reduction        'SAINT (Bruker, 2006)'
_computing_molecular_graphics    'SHELXTL (Bruker, 2000)'
_computing_publication_material  'SHELXTL (Bruker, 2000)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR97 (Altomare et al., 1999)'
_diffrn_ambient_temperature      100.0(1)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker SMART APEX II CCD Platform'
_diffrn_measurement_method       'area detector, \w scans per \f'
_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  0.0797
_diffrn_reflns_av_sigmaI/netI    0.0692
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            34362
_diffrn_reflns_theta_full        30.51
_diffrn_reflns_theta_max         30.51
_diffrn_reflns_theta_min         1.82
_exptl_absorpt_coefficient_mu    0.978
_exptl_absorpt_correction_T_max  0.9713
_exptl_absorpt_correction_T_min  0.7992
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2007)'
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    1.278
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             960
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.435
_refine_diff_density_min         -0.330
_refine_diff_density_rms         0.083
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.999
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     252
_refine_ls_number_reflns         7123
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.999
_refine_ls_R_factor_all          0.0830
_refine_ls_R_factor_gt           0.0416
_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^)+(0.0360P)^2^+0.0679P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0744
_refine_ls_wR_factor_ref         0.0865
_reflns_number_gt                4795
_reflns_number_total             7123
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om100001m_si_004.cif
_cod_data_source_block           jontl22_B5
_cod_database_code               4065557