Synthesis and Reactivity of a Transition Metal Complex Containing Exclusively TEMPO Ligands: Ni(η2-TEMPO)2
Derek Isrow; Burjor Captain; Inorganic Chemistry 50 (2011) 5864–5866; doi:10.1021/ic2007342

data_4325540
_publ_section_title
;
 Synthesis and Reactivity of a Transition Metal Complex Containing
 Exclusively TEMPO Ligands: Ni(\h2-TEMPO)2
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              5864
_journal_page_last               5866
_journal_paper_doi               10.1021/ic2007342
_journal_volume                  50
_journal_year                    2011
_chemical_formula_sum            'C23 H45 N3 Ni O2'
_chemical_formula_weight         454.33
_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                 92.041(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.7242(3)
_cell_length_b                   21.8142(8)
_cell_length_c                   15.2535(6)
_cell_measurement_reflns_used    9260
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      32.77
_cell_measurement_theta_min      2.29
_cell_volume                     2568.54(17)
_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      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0203
_diffrn_reflns_av_sigmaI/netI    0.0169
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       29
_diffrn_reflns_limit_k_min       -29
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            27472
_diffrn_reflns_theta_full        29.00
_diffrn_reflns_theta_max         29.00
_diffrn_reflns_theta_min         1.63
_exptl_absorpt_coefficient_mu    0.777
_exptl_absorpt_correction_T_max  0.7465
_exptl_absorpt_correction_T_min  0.5552
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS 2007/4 Bruker)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.175
_exptl_crystal_description       block
_exptl_crystal_F_000             992
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.423
_refine_diff_density_min         -0.314
_refine_diff_density_rms         0.053
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.075
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     442
_refine_ls_number_reflns         6834
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.075
_refine_ls_R_factor_all          0.0258
_refine_ls_R_factor_gt           0.0234
_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^)+(0.0260P)^2^+0.8700P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0581
_refine_ls_wR_factor_ref         0.0590
_reflns_number_gt                6360
_reflns_number_total             6834
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic2007342_si_002_2.cif
_cod_data_source_block           p21n
_cod_database_code               4325540