Solvent Effects and Activation Parameters in the Competitive Cleavage of C-CN and C-H Bonds in 2-Methyl-3-Butenenitrile Using [(dippe)NiH]2
Brett D. Swartz; Nicole M. Reinartz; William W. Brennessel; Juventino J. García; William D. Jones; Journal of the American Chemical Society 130 (2008) 8548–8554; doi:10.1021/ja8000216

data_4107937
_publ_contact_author_address
'Department of Chemistry, University of Rochester, Rochester, New York 14627'
_publ_contact_author_email       jones@chem.rochester.edu
_publ_contact_author_name        'William D. Jones'
_publ_section_title
;
 Solvent Effects and Activation Parameters in the Competitive Cleavage of
 C-CN and C-H Bonds in 2-Methyl-3-Butenenitrile Using [(dippe)NiH]2
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              8548
_journal_page_last               8554
_journal_paper_doi               10.1021/ja8000216
_journal_volume                  130
_journal_year                    2008
_chemical_formula_sum            'C19 H39 N Ni P2'
_chemical_formula_weight         402.16
_chemical_name_systematic
; 
 6 - Ni(dippe)(3-pentenenitrile) 
;
_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                 91.421(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.8032(10)
_cell_length_b                   12.9035(11)
_cell_length_c                   16.2127(14)
_cell_measurement_temperature    193(2)
_cell_volume                     2259.3(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_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      193(2)
_diffrn_measured_fraction_theta_full 0.957
_diffrn_measured_fraction_theta_max 0.957
_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  0.0213
_diffrn_reflns_av_sigmaI/netI    0.0276
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            14107
_diffrn_reflns_theta_full        28.27
_diffrn_reflns_theta_max         28.27
_diffrn_reflns_theta_min         1.89
_exptl_absorpt_coefficient_mu    1.001
_exptl_absorpt_correction_T_max  0.928
_exptl_absorpt_correction_T_min  0.780
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            Yellow
_exptl_crystal_density_diffrn    1.182
_exptl_crystal_description       Plate
_exptl_crystal_F_000             872
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.472
_refine_diff_density_min         -0.240
_refine_diff_density_rms         0.052
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.079
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     217
_refine_ls_number_reflns         5369
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.079
_refine_ls_R_factor_all          0.0529
_refine_ls_R_factor_gt           0.0403
_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^)+(0.0458P)^2^+0.5811P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0868
_refine_ls_wR_factor_ref         0.0910
_reflns_number_gt                4617
_reflns_number_total             5369
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja8000216-file004.cif
_cod_data_source_block           sad
_cod_database_code               4107937