Unexpected Formation of Chiral Pincer CNN Nickel Complexes with β-Diketiminato Type Ligands via C-H Activation: Synthesis, Properties, Structures, and Computational Studies
Zhengliang Lu; Srinivas Abbina; Jared R. Sabin; Victor N. Nemykin; Guodong Du; Inorganic Chemistry 52 (2013) 1454–1465; doi:10.1021/ic3021904

data_4333702
_publ_contact_author
;
     Dr. Guodong Du
     Department of Chemistry
     University of North Dakota
     151 Cornell St. Stop 9024
     Grand Forks, ND 58202
     USA

     Dr. Victor N. Nemykin
     Department of Chemistry& Biochemistry
     University of Minnesota Duluth
     1039 University Drive
     Duluth, MN 55812
     USA
;
_publ_contact_author_email       'gdu@chem.und.edu, vnemykin@d.umn.edu'
_publ_contact_author_fax         '1(701)7772331, 1(218)7266729'
_publ_contact_author_phone       1(701)7772241
_publ_section_title
;
 Unexpected Formation of Chiral Pincer CNN Nickel Complexes with
 \b-Diketiminato Type Ligands via C-H Activation: Synthesis, Properties,
 Structures, and Computational Studies
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              1454
_journal_page_last               1465
_journal_paper_doi               10.1021/ic3021904
_journal_volume                  52
_journal_year                    2013
_chemical_formula_moiety         'C41 H35 N2 Ni O P'
_chemical_formula_sum            'C41 H35 N2 Ni O P'
_chemical_formula_weight         661.39
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                108.2600(10)
_cell_angle_beta                 92.2040(10)
_cell_angle_gamma                103.0970(10)
_cell_formula_units_Z            2
_cell_length_a                   9.2807(2)
_cell_length_b                   11.2227(3)
_cell_length_c                   17.2906(4)
_cell_measurement_temperature    173(2)
_cell_volume                     1654.02(7)
_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  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.840
_diffrn_measured_fraction_theta_max 0.840
_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  0.0215
_diffrn_reflns_av_sigmaI/netI    0.0283
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            25654
_diffrn_reflns_theta_full        33.09
_diffrn_reflns_theta_max         33.09
_diffrn_reflns_theta_min         1.25
_exptl_absorpt_coefficient_mu    0.670
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.328
_exptl_crystal_description       block
_exptl_crystal_F_000             692
_exptl_crystal_size_max          0.54
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.559
_refine_diff_density_min         -0.477
_refine_diff_density_rms         0.058
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.047
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     415
_refine_ls_number_reflns         10575
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.047
_refine_ls_R_factor_all          0.0451
_refine_ls_R_factor_gt           0.0351
_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^)+(0.0520P)^2^+0.4852P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0951
_refine_ls_wR_factor_ref         0.1017
_reflns_number_gt                8835
_reflns_number_total             10575
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic3021904_si_002_5.cif
_cod_data_source_block           3d_ZL25
_cod_database_code               4333702