Insertion of Zerovalent Nickel into the N-N Bond of N-Heterocyclic-Carbene-Activated N2O
Alexander G. Tskhovrebov; Euro Solari; Rosario Scopelliti; Kay Severin; Inorganic Chemistry 52 (2013) 11688–11690; doi:10.1021/ic401524w

data_4336428
_publ_section_title
;
 Insertion of Zerovalent Nickel into the N-N Bond of
 N-Heterocyclic-Carbene-Activated N2O
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              11688
_journal_page_last               11690
_journal_paper_doi               10.1021/ic401524w
_journal_volume                  52
_journal_year                    2013
_chemical_formula_moiety         'C42 H48 N8 Ni2 O2'
_chemical_formula_sum            'C42 H48 N8 Ni2 O2'
_chemical_formula_weight         814.30
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2013-02-06 # Formatted by publCIF
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   23.6314(13)
_cell_length_b                   8.1301(9)
_cell_length_c                   21.381(4)
_cell_measurement_reflns_used    253
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      22
_cell_measurement_theta_min      3
_cell_volume                     4107.8(9)
_computing_cell_refinement       'Dirax/lsq (Duisenberg & Schreurs, 1989-2000)'
_computing_data_collection       'Collect (Bruker AXS BV, 1997-2004)'
_computing_data_reduction        'EvalCCD (Duisenberg & Schreurs, 1990-2000)'
_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      100(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker APEX II CCD'
_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  0.0395
_diffrn_reflns_av_sigmaI/netI    0.0429
_diffrn_reflns_limit_h_max       29
_diffrn_reflns_limit_h_min       -30
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            45067
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         3.45
_exptl_absorpt_coefficient_mu    0.962
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.5776
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS 2008, Bruker AXS, 2008'
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.317
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             1712
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.31
_exptl_crystal_size_min          0.23
_refine_diff_density_max         0.318
_refine_diff_density_min         -0.307
_refine_diff_density_rms         0.057
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.030(7)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.084
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     488
_refine_ls_number_reflns         9364
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.084
_refine_ls_R_factor_all          0.0405
_refine_ls_R_factor_gt           0.0311
_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^)+(0.0177P)^2^+1.0424P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0557
_refine_ls_wR_factor_ref         0.0593
_reflns_number_gt                8427
_reflns_number_total             9364
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic401524w_si_001.cif
_cod_data_source_block           al415
_cod_original_cell_volume        4107.9(9)
_cod_database_code               4336428