Reactivity of B(C6F5)3with Simple Early Transition Metal Alkoxides: Alkoxide-Aryl Exchange, THF Ring-Opening, or Acetonitrile CC Coupling
Lorber, Christian; Choukroun, Robert; Vendier, Laure; Organometallics 27 (2008) 5017–; doi:10.1021/om800234z

data_4071562
_publ_section_title
;
 Reactivity of B(C6F5)3with Simple Early Transition Metal Alkoxides:
 Alkoxide-Aryl Exchange, THF Ring-Opening, or Acetonitrile CC Coupling
;
_journal_issue                   19
_journal_name_full               Organometallics
_journal_page_first              5017
_journal_paper_doi               10.1021/om800234z
_journal_volume                  27
_journal_year                    2008
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C138 H198 B2 F40 N O22 Zr6'
_chemical_formula_sum            'C138 H198 B2 F40 N O22 Zr6'
_chemical_formula_weight         3551.91
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2yab'
_symmetry_space_group_name_H-M   'P 1 21/a 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90
_cell_angle_beta                 112.960(8)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   20.2421(15)
_cell_length_b                   20.2310(15)
_cell_length_c                   21.0455(17)
_cell_measurement_reflns_used    5934
_cell_measurement_temperature    180
_cell_measurement_theta_max      32.1964
_cell_measurement_theta_min      2.6869
_cell_measurement_wavelength     0.71073
_cell_volume                     7935.7(12)
_computing_cell_refinement       'CrysAlis RED, Oxford Diffraction Ltd.'
_computing_data_collection       'CrysAlis CCD, Oxford Diffraction Ltd.'
_computing_data_reduction        'CrysAlis RED, Oxford Diffraction Ltd.'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      180
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Oxford-Diffraction XCALIBUR'
_diffrn_measurement_method       \w-\f
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_reflns_av_R_equivalents  0.0779
_diffrn_reflns_av_unetI/netI     0.1285
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            57500
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         2.69
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.487
_exptl_absorpt_correction_T_max  0.959
_exptl_absorpt_correction_T_min  0.825
_exptl_absorpt_correction_type   refdelf
_exptl_absorpt_process_details
;
        (See: Walker, N. & Stuart, D. (1983) Acta Cryst. A39, 158-166)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.486
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       platelet
_exptl_crystal_F_000             3638
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.603
_refine_diff_density_min         -0.603
_refine_diff_density_rms         0.105
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.869
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     986
_refine_ls_number_reflns         16205
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      0.875
_refine_ls_R_factor_all          0.1111
_refine_ls_R_factor_gt           0.0474
_refine_ls_shift/su_max          0.006
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0476P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1018
_refine_ls_wR_factor_ref         0.1191
_reflns_number_gt                8499
_reflns_number_total             16205
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            om800234z_si_002.cif
_cod_data_source_block           (3)
_cod_original_cell_volume        7935.7(11)
_cod_database_code               4071562