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_7106405
_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         'C20 H19 B F10 Li N O4'
_chemical_formula_structural     (C8H16O4)LiNH2BH(C6F5)2
_chemical_formula_sum            'C20 H19 B F10 Li N O4'
_chemical_formula_weight         545.11
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 103.420(9)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.9070(7)
_cell_length_b                   10.7113(8)
_cell_length_c                   12.1263(11)
_cell_measurement_reflns_used    7310
_cell_measurement_temperature    140(2)
_cell_measurement_theta_max      32.3944
_cell_measurement_theta_min      3.4428
_cell_volume                     1125.33(16)
_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 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Oxford Diffraction Xcalibur 3/CCD'
_diffrn_measurement_method       'Thin slice \f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           Mo-K\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0408
_diffrn_reflns_av_sigmaI/netI    0.0475
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            19396
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         3.45
_exptl_absorpt_coefficient_mu    0.163
_exptl_absorpt_correction_T_max  1.0445
_exptl_absorpt_correction_T_min  0.9452
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(ABSPACK; Oxford Diffraction, 2009)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.609
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'long narrow plates'
_exptl_crystal_F_000             552
_exptl_crystal_size_max          0.33
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.167
_refine_diff_density_min         -0.137
_refine_diff_density_rms         0.032
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.4(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.882
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     410
_refine_ls_number_reflns         5153
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.882
_refine_ls_R_factor_all          0.0454
_refine_ls_R_factor_gt           0.0301
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0230P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0472
_refine_ls_wR_factor_ref         0.0492
_reflns_number_gt                3972
_reflns_number_total             5153
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            c1cc11320h.txt
_cod_data_source_block           2
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               7106405