Lewis Base Mediated β-Elimination and Lewis Acid Mediated Insertion Reactions of Disilazido Zirconium Compounds
KaKing Yan; Juan J. Duchimaza Heredia; Arkady Ellern; Mark S. Gordon; Aaron D. Sadow; Journal of the American Chemical Society 135 (2013) 15225–15237; doi:10.1021/ja407950e

data_4120920
_publ_contact_author_address
;Department of Chemistry
1605 Gilman Hall
Iowa State University
Ames IA 50011
;
_publ_contact_author_email       sadow@iastate.edu
_publ_contact_author_fax         +515-294-0105
_publ_contact_author_name        'Aaron D. Sadow'
_publ_contact_author_phone       +515-294-8069
_publ_section_title
;
 Lewis Base Mediated \b-Elimination and Lewis Acid Mediated Insertion
 Reactions of Disilazido Zirconium Compounds
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              15225
_journal_page_last               15237
_journal_paper_doi               10.1021/ja407950e
_journal_volume                  135
_journal_year                    2013
_chemical_formula_sum            'C32 H25 B F15 N Si2 Zr'
_chemical_formula_weight         866.74
_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
_audit_creation_method           'APEX2 v2009.11-0'
_cell_angle_alpha                90
_cell_angle_beta                 107.0400(10)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   9.3341(4)
_cell_length_b                   18.7764(8)
_cell_length_c                   10.4687(4)
_cell_measurement_reflns_used    8980
_cell_measurement_temperature    173.(2)
_cell_measurement_theta_max      27.8502
_cell_measurement_theta_min      2.2821
_cell_volume                     1754.21(13)
_computing_cell_refinement       'SAINT V7.66A (Bruker AXS, 2009)'
_computing_data_collection       'APEX2 Suite (Bruker AXS, 2009)'
_computing_data_reduction        'SAINT V7.66A (Bruker AXS, 2009)'
_computing_molecular_graphics    'XSHELL (Bruker AXS, 2007)'
_computing_publication_material  'APEX2 Suite (Bruker AXS, 2009)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173.(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  ' BRUKER APEX2 CCD Diffractometer'
_diffrn_measurement_method       '\w scan'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0197
_diffrn_reflns_av_sigmaI/netI    0.0302
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            17973
_diffrn_reflns_theta_full        28.30
_diffrn_reflns_theta_max         28.30
_diffrn_reflns_theta_min         2.03
_exptl_absorpt_coefficient_mu    0.487
_exptl_absorpt_correction_T_max  0.93
_exptl_absorpt_correction_T_min  0.83
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2008/1 (Bruker AXS)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.641
_exptl_crystal_description       block
_exptl_crystal_F_000             864
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.435
_refine_diff_density_min         -0.298
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.00(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.034
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     485
_refine_ls_number_reflns         8606
_refine_ls_number_restraints     41
_refine_ls_restrained_S_all      1.051
_refine_ls_R_factor_all          0.0352
_refine_ls_R_factor_gt           0.0320
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0522P)^2^+0.2369P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0827
_refine_ls_wR_factor_ref         0.0847
_reflns_number_gt                8045
_reflns_number_total             8606
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja407950e_si_002.cif
_cod_data_source_block           2-Cp2ZrNSiHMe2
_cod_database_code               4120920