N‒H and N‒C Bond Formation with an N2-Derived Dihafnium μ-Nitrido Complex
Semproni, Scott P.; Chirik, Paul J.; Organometallics 33 (2014) 3727–; doi:10.1021/om500393n

data_4083923
_publ_section_title
;
 N--H and N--C Bond Formation with an N2-Derived Dihafnium \m-Nitrido
 Complex
;
_journal_issue                   14
_journal_name_full               Organometallics
_journal_page_first              3727
_journal_paper_doi               10.1021/om500393n
_journal_volume                  33
_journal_year                    2014
_chemical_formula_sum            'C43.83 H57.5 Hf2 N2 O Si'
_chemical_formula_weight         1013.49
_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                90.000
_cell_angle_beta                 98.040(5)
_cell_angle_gamma                90.000
_cell_formula_units_Z            4
_cell_length_a                   9.520(5)
_cell_length_b                   15.189(5)
_cell_length_c                   28.341(5)
_cell_measurement_reflns_used    9951
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.50
_cell_measurement_theta_min      2.78
_cell_volume                     4058(3)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'ORTEP3 (Farraguia, 1994)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR92 (Giacavazzo, 1993)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_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  0.0316
_diffrn_reflns_av_sigmaI/netI    0.0414
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       36
_diffrn_reflns_limit_l_min       -36
_diffrn_reflns_number            22759
_diffrn_reflns_theta_full        27.53
_diffrn_reflns_theta_max         27.53
_diffrn_reflns_theta_min         2.77
_exptl_absorpt_coefficient_mu    5.177
_exptl_absorpt_correction_T_max  0.7455
_exptl_absorpt_correction_T_min  0.6375
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2008/1 (Bruker AXS)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.657
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2001.8
_exptl_crystal_size_max          0.094
_exptl_crystal_size_mid          0.073
_exptl_crystal_size_min          0.064
_refine_diff_density_max         2.086
_refine_diff_density_min         -1.658
_refine_diff_density_rms         0.230
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.116
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     438
_refine_ls_number_reflns         9258
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.116
_refine_ls_R_factor_all          0.0454
_refine_ls_R_factor_gt           0.0296
_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^)+(0.0468P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0742
_refine_ls_wR_factor_ref         0.0885
_reflns_number_gt                7436
_reflns_number_total             9258
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            om500393n_si_002.cif
_cod_data_source_block           sps91
_cod_depositor_comments
'Adding full bibliography for 4083916--4083924.cif.'
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_original_formula_sum        'C43.83 H57.50 Hf2 N2 O Si'
_cod_database_code               4083923