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_4071564
_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         'C64 H136 N4 O14 Zr4'
_chemical_formula_sum            'C64 H136 N4 O14 Zr4'
_chemical_formula_weight         1550.65
_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
_cell_angle_beta                 103.676(4)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   14.1142(5)
_cell_length_b                   15.6865(5)
_cell_length_c                   18.9583(6)
_cell_measurement_reflns_used    15300
_cell_measurement_temperature    180
_cell_measurement_theta_max      32.0038
_cell_measurement_theta_min      2.6882
_cell_measurement_wavelength     0.71073
_cell_volume                     4078.4(2)
_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    'SIR92 (Giacovazzo et al, 1993)'
_diffrn_ambient_temperature      180
_diffrn_measured_fraction_theta_full 0.948
_diffrn_measured_fraction_theta_max 0.948
_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_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0464
_diffrn_reflns_av_unetI/netI     0.0822
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            43674
_diffrn_reflns_theta_full        32.1
_diffrn_reflns_theta_max         32.1
_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    0.551
_exptl_absorpt_correction_T_max  0.8943
_exptl_absorpt_correction_T_min  0.8128
_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    1.263
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1640
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.842
_refine_diff_density_min         -0.694
_refine_diff_density_rms         0.112
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.081
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     413
_refine_ls_number_reflns         13539
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.081
_refine_ls_R_factor_all          0.0916
_refine_ls_R_factor_gt           0.037
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0615P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0948
_refine_ls_wR_factor_ref         0.133
_reflns_number_gt                7605
_reflns_number_total             13539
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            om800234z_si_002.cif
_cod_data_source_block           (5)
_cod_database_code               4071564