Reactions of Titanium Hydrazides with Silanes and Boranes: N-N Bond Cleavage and N Atom Functionalization.
Stevenson, Laura C.; Mellino, Simona; Clot, Eric; Mountford, Philip; Journal of the American Chemical Society 137 (2015) 10140–10143; doi:10.1021/jacs.5b06627

data_4124242
_publ_section_title
;
 Reactions of Titanium Hydrazides with Silanes and Boranes: N-N Bond
 Cleavage and N Atom Functionalization.
;
_journal_issue                   32
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              10140
_journal_page_last               10143
_journal_paper_doi               10.1021/jacs.5b06627
_journal_volume                  137
_journal_year                    2015
_chemical_formula_moiety         'C26 H51 B1 N4 O2 Ti1'
_chemical_formula_sum            'C26 H51 B N4 O2 Ti'
_chemical_formula_weight         510.43
_chemical_name_systematic
;
Cp*Ti(H){MeC(NiPr)2){N(Bpin)N(Me2)}
;
_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   difmap
_atom_sites_solution_primary     direct
_cell_angle_alpha                90
_cell_angle_beta                 111.0186(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   15.33110(10)
_cell_length_b                   10.34630(10)
_cell_length_c                   19.7754(2)
_cell_measurement_reflns_used    18685
_cell_measurement_temperature    150
_cell_measurement_theta_max      76
_cell_measurement_theta_min      3
_cell_volume                     2928.07(5)
_computing_cell_refinement       'CrysAlis, (Oxford Diffraction, 2002)'
_computing_data_collection       'SuperNova, (Oxford Diffraction, 2010)'
_computing_data_reduction        'CrysAlis, (Oxford Diffraction, 2002)'
_computing_molecular_graphics    'CAMERON (Watkin et al., 1996)'
_computing_publication_material  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_refinement  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_solution    'SIR92 (Altomare et al., 1994)'
_diffrn_ambient_temperature      150
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device       Area
_diffrn_measurement_device_type  'Oxford Diffraction SuperNova'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54180
_diffrn_reflns_av_R_equivalents  0.024
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            31539
_diffrn_reflns_theta_full        76.050
_diffrn_reflns_theta_max         76.050
_diffrn_reflns_theta_min         3.157
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.679
_exptl_absorpt_correction_T_max  0.96
_exptl_absorpt_correction_T_min  0.56
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'CrysAlis, (Oxford Diffraction, 2002)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.158
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1112
_exptl_crystal_size_max          0.015
_exptl_crystal_size_mid          0.015
_exptl_crystal_size_min          0.015
_refine_diff_density_max         0.58
_refine_diff_density_min         -0.55
_refine_ls_extinction_method     None
_refine_ls_goodness_of_fit_ref   1.0514
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     311
_refine_ls_number_reflns         5702
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0453
_refine_ls_R_factor_gt           0.0440
_refine_ls_shift/su_max          0.0021848
_refine_ls_shift/su_mean         0.0000645
_refine_ls_structure_factor_coef F
_refine_ls_weighting_details
;
 Method, part 1, Chebychev polynomial, (Watkin, 1994, Prince, 1982) 
 [weight] = 1.0/[A~0~*T~0~(x)+A~1~*T~1~(x) ... +A~n-1~]*T~n-1~(x)] 
 where A~i~ are the Chebychev coefficients listed below and x= Fcalc/Fmax 
 Method = Robust Weighting (Prince, 1982) 
 W = [weight] * [1-(deltaF/6*sigmaF)^2^]^2^ 
 A~i~ are: 
 13.3 5.10 10.2 3.74 -0.604 
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.0494
_refine_ls_wR_factor_gt          0.0491
_refine_ls_wR_factor_ref         0.0489
_reflns_limit_h_max              17
_reflns_limit_h_min              -19
_reflns_limit_k_max              12
_reflns_limit_k_min              0
_reflns_limit_l_max              24
_reflns_limit_l_min              0
_reflns_number_gt                5834
_reflns_number_total             6088
_reflns_threshold_expression     I>2.0\s(I)
_oxford_diffrn_Wilson_B_factor   1.70
_oxford_diffrn_Wilson_scale      0.04
_oxford_refine_ls_r_factor_ref   0.0431
_oxford_refine_ls_scale          5.009(8)
_oxford_reflns_number_all        6066
_oxford_reflns_threshold_expression_ref I>3.0\s(I)
_cod_data_source_file            ja5b06627_si_003.cif
_cod_data_source_block           COMPOUND_9
_cod_depositor_comments
'Adding full bibliography for 4124239--4124243.cif.'
_cod_original_sg_symbol_Hall     '-P 2yn '
_cod_original_sg_symbol_H-M      'P 1 21/n 1 '
_cod_original_formula_sum        'C26 H51 B1 N4 O2 Ti1'
_cod_database_code               4124242