Highly Reactive Metal−Nitrogen Bond Induced C−H Bond Activation and Azametallacycle Formation
Panda, Tarun K.; Tsurugi, Hayato; Pal, Kuntal; Kaneko, Hiroshi; Mashima, Kazushi; Organometallics 29 (2010) 34–; doi:10.1021/om901027v

data_4067593
_publ_section_title
;
 Highly Reactive Metal&#x2212;Nitrogen Bond Induced C&#x2212;H Bond
 Activation and Azametallacycle Formation
;
_journal_issue                   1
_journal_name_full               Organometallics
_journal_page_first              34
_journal_paper_doi               10.1021/om901027v
_journal_volume                  29
_journal_year                    2010
_chemical_formula_moiety         'C26 H44 Hf N6'
_chemical_formula_sum            'C26 H44 Hf N6'
_chemical_formula_weight         619.16
_chemical_name_common            7d
_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
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   13.693(5)
_cell_length_b                   14.262(5)
_cell_length_c                   14.705(5)
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      30.4
_cell_measurement_theta_min      3.2
_cell_volume                     2871.7(18)
_computing_cell_refinement       'RAPID-AUTO (Rigaku, 1998)'
_computing_data_collection       'RAPID-AUTO (Rigaku, 1998)'
_computing_data_reduction        'teXan (Rigaku/MSC, 2004)'
_computing_molecular_graphics    Ortep-32
_computing_publication_material  WinGX
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR 97'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 10.00
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Rigaku RAXIS-RAPID Imaging Plate'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0520
_diffrn_reflns_av_sigmaI/netI    0.0351
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            55932
_diffrn_reflns_theta_full        30.42
_diffrn_reflns_theta_max         30.42
_diffrn_reflns_theta_min         3.22
_exptl_absorpt_coefficient_mu    3.656
_exptl_absorpt_correction_T_max  0.45
_exptl_absorpt_correction_T_min  0.296
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
;
Higashi, H. (1995), ABSCOR: Program for Absorption
Correction, Rigaku Corporation, Tokyo, Japan.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.432
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Platelet
_exptl_crystal_F_000             1256
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.22
_refine_diff_density_max         1.636
_refine_diff_density_min         -0.523
_refine_diff_density_rms         0.088
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.010(7)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.957
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     310
_refine_ls_number_reflns         8650
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.957
_refine_ls_R_factor_all          0.0247
_refine_ls_R_factor_gt           0.0234
_refine_ls_shift/su_max          0.033
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0334P)^2^+1.2580P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0554
_refine_ls_wR_factor_ref         0.0565
_reflns_number_gt                8313
_reflns_number_total             8650
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om901027v_si_002.cif
_cod_data_source_block           7d
_cod_database_code               4067593