The Frustrated Lewis Pair Induced Formation of a Pentafulvene [6+4] Cycloaddition Product
Cornelia M. Momming; Gerald Kehr; Roland Frohlich; Gerhard Erker; Chem.Commun. 47 (2011) 2006–; doi:10.1039/c0cc04567e

data_7105975
_publ_section_title
;
 The Frustrated Lewis Pair Induced Formation of a Pentafulvene [6+4]
 Cycloaddition Product
;
_journal_name_full               Chem.Commun.
_journal_page_first              2006
_journal_paper_doi               10.1039/c0cc04567e
_journal_volume                  47
_journal_year                    2011
_chemical_formula_sum            'C57 H55 B F10 P'
_chemical_formula_weight         971.79
_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                 90.729(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.3700(4)
_cell_length_b                   11.0380(3)
_cell_length_c                   36.1547(11)
_cell_measurement_reflns_used    7177
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      68.25
_cell_measurement_theta_min      0.88
_cell_volume                     4936.2(3)
_computing_cell_refinement       'Collect (Nonius B.V., 1998)'
_computing_data_collection       'Collect (Nonius B.V., 1998)'
_computing_data_reduction        'Denzo-SMN (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'XP (BrukerAXS, 2000)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      223(2)
_diffrn_measured_fraction_theta_full 0.931
_diffrn_measured_fraction_theta_max 0.931
_diffrn_measurement_device_type  'Nonius KappaCCD APEXII'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.055
_diffrn_reflns_av_sigmaI/netI    0.0519
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       42
_diffrn_reflns_limit_l_min       -42
_diffrn_reflns_number            26710
_diffrn_reflns_theta_full        67.45
_diffrn_reflns_theta_max         67.45
_diffrn_reflns_theta_min         3.79
_exptl_absorpt_coefficient_mu    1.139
_exptl_absorpt_correction_T_max  0.9245
_exptl_absorpt_correction_T_min  0.7262
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'Denzo (Otwinowski, Borek, Majewski & Minor, 2003)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.308
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             2028
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.292
_refine_diff_density_min         -0.277
_refine_diff_density_rms         0.042
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.023
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     632
_refine_ls_number_reflns         8274
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.023
_refine_ls_R_factor_all          0.0827
_refine_ls_R_factor_gt           0.0532
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0513P)^2^+2.5972P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1212
_refine_ls_wR_factor_ref         0.1388
_reflns_number_gt                5776
_reflns_number_total             8274
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            C0CC04567E.TXT
_cod_data_source_block           erk5376
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               7105975