Frustrated Lewis Pairs beyond the Main Group: Synthesis, Reactivity, and Small Molecule Activation with Cationic Zirconocene-Phosphinoaryloxide Complexes
Andy M. Chapman; Mairi F. Haddow; Duncan F. Wass; Journal of the American Chemical Society 133 (2011) 18463–18478; doi:10.1021/ja207936p

data_4107111
_publ_section_title
;
 Frustrated Lewis Pairs beyond the Main Group: Synthesis, Reactivity, and
 Small Molecule Activation with Cationic Zirconocene-Phosphinoaryloxide
 Complexes
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              18463
_journal_page_last               18478
_journal_paper_doi               10.1021/ja207936p
_journal_volume                  133
_journal_year                    2011
_chemical_formula_moiety         'C36 H56 La O2 P'
_chemical_formula_sum            'C36 H56 La O2 P'
_chemical_formula_weight         690.69
_chemical_name_systematic
; 
 ? 
;
_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   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 93.156(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.6735(3)
_cell_length_b                   22.8862(8)
_cell_length_c                   21.9481(8)
_cell_measurement_reflns_used    9804
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.54
_cell_measurement_theta_min      2.48
_cell_volume                     4350.2(3)
_computing_cell_refinement       'Bruker Apex II'
_computing_data_collection       'Bruker Apex II'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker ShelXTL'
_computing_publication_material  'Bruker ShelXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker Apex II kappa CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0218
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       29
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            10002
_diffrn_reflns_theta_full        27.55
_diffrn_reflns_theta_max         27.55
_diffrn_reflns_theta_min         1.29
_exptl_absorpt_coefficient_mu    1.041
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.5969
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2008/1'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.055
_exptl_crystal_description       block
_exptl_crystal_F_000             1440
_exptl_crystal_size_max          0.48
_exptl_crystal_size_mid          0.41
_exptl_crystal_size_min          0.25
_platon_squeeze_details
;
Disordered solvent is probably toluene
;
_refine_diff_density_max         0.636
_refine_diff_density_min         -0.474
_refine_diff_density_rms         0.068
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.034
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     376
_refine_ls_number_reflns         10002
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.034
_refine_ls_R_factor_all          0.0269
_refine_ls_R_factor_gt           0.0233
_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^)+(0.0268P)^2^+3.1815P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0571
_refine_ls_wR_factor_ref         0.0587
_reflns_number_gt                9011
_reflns_number_total             10002
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja207936p_si_017.cif
_cod_data_source_block           amc280ringopensqueeze
_cod_database_code               4107111