Functionalization of Hafnium Oxamidide Complexes Prepared from CO-Induced N2 Cleavage
Donald J. Knobloch; Emil Lobkovsky; Paul J. Chirik; Journal of the American Chemical Society 132 (2010) 15340–15350; doi:10.1021/ja106848y

data_4103403
_publ_section_title
;
 Functionalization of Hafnium Oxamidide Complexes Prepared from CO-Induced
 N2 Cleavage
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              15340
_journal_page_last               15350
_journal_paper_doi               10.1021/ja106848y
_journal_volume                  132
_journal_year                    2010
_chemical_formula_moiety         'C52 H78 Hf2 N4 O4 Si2, 0.5(C6 H6)'
_chemical_formula_sum            'C55 H81 Hf2 N4 O4 Si2'
_chemical_formula_weight         1275.40
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                66.648(3)
_cell_angle_beta                 89.161(3)
_cell_angle_gamma                65.823(3)
_cell_formula_units_Z            2
_cell_length_a                   13.0460(8)
_cell_length_b                   14.4943(9)
_cell_length_c                   17.9894(12)
_cell_measurement_reflns_used    9909
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      30.56
_cell_measurement_theta_min      2.51
_cell_volume                     2804.4(3)
_computing_cell_refinement       'Bruker SAINT+'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT+'
_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      173(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Bruker X8 APEX II diffractometer'
_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  0.0313
_diffrn_reflns_av_sigmaI/netI    0.0328
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            48211
_diffrn_reflns_theta_full        28.28
_diffrn_reflns_theta_max         28.28
_diffrn_reflns_theta_min         1.70
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    3.788
_exptl_absorpt_correction_T_max  0.8632
_exptl_absorpt_correction_T_min  0.3126
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.510
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1286
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.04
_refine_diff_density_max         1.233
_refine_diff_density_min         -0.659
_refine_diff_density_rms         0.095
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     624
_refine_ls_number_reflns         13811
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.029
_refine_ls_R_factor_all          0.0332
_refine_ls_R_factor_gt           0.0227
_refine_ls_shift/su_max          0.061
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0180P)^2^+2.1869P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0485
_refine_ls_wR_factor_ref         0.0529
_reflns_number_gt                11332
_reflns_number_total             13811
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja106848y_si_001_1.cif
_cod_data_source_block           djk31
_cod_database_code               4103403