The hafnium-mediated NH activation of an amido-borane
Elizabeth A. Jacobs; Anna-Marie Fuller; Simon J. Lancaster; Joseph A. Wright; Chem.Commun. 47 (2011) 5870–; doi:10.1039/c1cc11320h

data_7106406
_publ_section_title
;
 The hafnium-mediated NH activation of an amido-borane
;
_journal_name_full               Chem.Commun.
_journal_page_first              5870
_journal_paper_doi               10.1039/c1cc11320h
_journal_volume                  47
_journal_year                    2011
_chemical_formula_moiety         'C34 H16 B2 F20 Hf N2, 4(C4 H8 O)'
_chemical_formula_structural     {(C6F5)2HBNH2}2Hf(C5H5)2.4(C4H8O)
_chemical_formula_sum            'C50 H48 B2 F20 Hf N2 O4'
_chemical_formula_weight         1321.01
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 100.440(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.4352(3)
_cell_length_b                   16.4726(3)
_cell_length_c                   23.8938(4)
_cell_measurement_reflns_used    43391
_cell_measurement_temperature    140(2)
_cell_measurement_theta_max      32.2313
_cell_measurement_theta_min      3.1171
_cell_volume                     5200.46(18)
_computing_cell_refinement       'CrysAlisPro (Oxford Diffraction, 2009)'
_computing_data_collection       'CrysAlisPro (Oxford Diffraction, 2009)'
_computing_data_reduction        'CrysAlisPro (Oxford Diffraction, 2009)'
_computing_molecular_graphics    'ORTEP-3 (Farrugia, 1997)'
_computing_publication_material
;
SHELXL-97 (Sheldrick, 2008), PLATON (Spek, 2003), WinGX (Farrugia, 1999)
and enCIFer (Allen <i>et al.</i>, 2004)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      140(2)
_diffrn_detector_area_resol_mean 16.0050
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Oxford Diffraction Xcalibur 3/CCD'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0627
_diffrn_reflns_av_sigmaI/netI    0.0429
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       33
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            107874
_diffrn_reflns_theta_full        30.00
_diffrn_reflns_theta_max         30.00
_diffrn_reflns_theta_min         3.12
_exptl_absorpt_coefficient_mu    2.124
_exptl_absorpt_correction_T_max  1.0483
_exptl_absorpt_correction_T_min  0.9494
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(ABSPACK; Oxford Diffraction, 2009)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.687
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'large blocks'
_exptl_crystal_F_000             2624
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.20
_refine_diff_density_max         3.643
_refine_diff_density_min         -0.736
_refine_diff_density_rms         0.104
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.011
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     746
_refine_ls_number_reflns         15140
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.011
_refine_ls_R_factor_all          0.0566
_refine_ls_R_factor_gt           0.0344
_refine_ls_shift/su_max          0.007
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0441P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0733
_refine_ls_wR_factor_ref         0.0782
_reflns_number_gt                11611
_reflns_number_total             15140
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            c1cc11320h.txt
_cod_data_source_block           3
_cod_original_cell_volume        5200.46(17)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7106406