Double N-H bond activation of N,N'-bis-substituted hydrazines with stable N-heterocyclic silylene.
Azhakar, Ramachandran; Ghadwal, Rajendra S.; Roesky, Herbert W.; Hey, Jakob; Stalke, Dietmar; Dalton transactions (Cambridge, England : 2003) 41 (2012) 1529–1533; doi:10.1039/c1dt11708d

data_7017943
_publ_section_title
;
 Double N-H bond activation of N,N'-bis-substituted hydrazines with stable
 N-heterocyclic silylene.
;
_journal_issue                   5
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              1529
_journal_page_last               1533
_journal_paper_doi               10.1039/c1dt11708d
_journal_volume                  41
_journal_year                    2012
_chemical_formula_moiety         'C36 H48 N4 O Si, 0.52(C6 H14)'
_chemical_formula_sum            'C39.12 H55.24 N4 O Si'
_chemical_formula_weight         625.654
_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                 94.746(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.4828(8)
_cell_length_b                   12.0258(9)
_cell_length_c                   26.1609(19)
_cell_measurement_reflns_used    9029
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.499
_cell_measurement_theta_min      2.304
_cell_volume                     3600.2(5)
_computing_cell_refinement       'SAINT V7.68A'
_computing_data_collection       'APEX2 v2008.11'
_computing_data_reduction        'SAINT V7.46A'
_computing_molecular_graphics    'XSHELL in SHELXTL-97'
_computing_publication_material  'XSHELL in SHELXTL-97'
_computing_structure_refinement  'SHELXL in SHELXTL Version 2008/3'
_computing_structure_solution    'SHELXS in SHELXTL Version 2008/3'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEX II Ultra'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_monochromator  'mirror optics'
_diffrn_radiation_source         'Mo rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0368
_diffrn_reflns_av_sigmaI/netI    0.0206
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            57531
_diffrn_reflns_theta_full        26.11
_diffrn_reflns_theta_max         26.11
_diffrn_reflns_theta_min         1.56
_exptl_absorpt_coefficient_mu    0.101
_exptl_absorpt_correction_T_max  0.99
_exptl_absorpt_correction_T_min  0.933
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS 2008/2'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.154
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1360
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.306
_refine_diff_density_min         -0.363
_refine_diff_density_rms         0.041
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.042
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     434
_refine_ls_number_reflns         7146
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.042
_refine_ls_R_factor_all          0.0452
_refine_ls_R_factor_gt           0.0367
_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^)+(0.0407P)^2^+1.8475P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0908
_refine_ls_wR_factor_ref         0.0955
_reflns_number_gt                6108
_reflns_number_total             7146
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1dt11708d.txt
_cod_data_source_block           817514
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7017943