Metal-Ligand Synergistic Effects in the Complex Ni(η2-TEMPO)2: Synthesis, Structures, and Reactivity
Derek Isrow; Nathan J. DeYonker; Anjaneyulu Koppaka; Perry J. Pellechia; Charles Edwin Webster; Burjor Captain; Inorganic Chemistry 52 (2013) 13882–13893; doi:10.1021/ic401296f

data_4336951
_publ_section_title
;
 Metal-Ligand Synergistic Effects in the Complex Ni(\h2-TEMPO)2:
 Synthesis, Structures, and Reactivity
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              13882
_journal_page_last               13893
_journal_paper_doi               10.1021/ic401296f
_journal_volume                  52
_journal_year                    2013
_chemical_formula_sum            'C23 H46 N2 Ni O2 Si'
_chemical_formula_weight         469.42
_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                 93.2530(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.8725(3)
_cell_length_b                   10.8105(4)
_cell_length_c                   33.0125(13)
_cell_measurement_reflns_used    6223
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      28.54
_cell_measurement_theta_min      2.25
_cell_volume                     2805.02(19)
_computing_cell_refinement       'SAINT+  V7.46A (Bruker, 2007)'
_computing_data_collection       'APEX2 v2.2-0 (Bruker, 2007)'
_computing_data_reduction        'SAINT+  V7.46A (Bruker, 2007)'
_computing_molecular_graphics    'XSHELL v4.02 (Bruker, 2000)'
_computing_publication_material  'XCIF v6.12 (Bruker, 2001)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'Bruker SMART APEX2 CCD diffractometer'
_diffrn_measurement_method       '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  0.0167
_diffrn_reflns_av_sigmaI/netI    0.0240
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       38
_diffrn_reflns_limit_l_min       -42
_diffrn_reflns_number            12822
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         1.98
_exptl_absorpt_coefficient_mu    0.753
_exptl_absorpt_correction_T_max  0.9285
_exptl_absorpt_correction_T_min  0.7047
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS 2007/4 Bruker)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.112
_exptl_crystal_description       Block
_exptl_crystal_F_000             1024
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.931
_refine_diff_density_min         -0.618
_refine_diff_density_rms         0.103
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.046
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     277
_refine_ls_number_reflns         6041
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.046
_refine_ls_R_factor_all          0.0542
_refine_ls_R_factor_gt           0.0459
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0696P)^2^+1.2158P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1231
_refine_ls_wR_factor_ref         0.1290
_reflns_number_gt                5114
_reflns_number_total             6041
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic401296f_si_002_6.cif
_cod_data_source_block           compound_6
_cod_database_code               4336951