Frustrated Lewis pair addition to conjugated diynes: Formation of zwitterionic 1,2,3-butatriene derivatives.
Feldhaus, Philipp; Schirmer, Birgitta; Wibbeling, Birgit; Daniliuc, Constantin G.; Fröhlich, Roland; Grimme, Stefan; Kehr, Gerald; Erker, Gerhard; Dalton transactions (Cambridge, England : 2003) 41 (2012) 9135–9142; doi:10.1039/c2dt30321c

data_7019728
_publ_section_title
;
 Frustrated Lewis pair addition to conjugated diynes: Formation of
 zwitterionic 1,2,3-butatriene derivatives.
;
_journal_issue                   30
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              9135
_journal_page_last               9142
_journal_paper_doi               10.1039/c2dt30321c
_journal_volume                  41
_journal_year                    2012
_chemical_formula_sum            'C36 H33 B F15 P'
_chemical_formula_weight         792.40
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 102.704(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.0349(5)
_cell_length_b                   13.4667(4)
_cell_length_c                   19.4024(6)
_cell_measurement_reflns_used    6030
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      68.25
_cell_measurement_theta_min      0.88
_cell_volume                     3577.4(2)
_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 0.978
_diffrn_measured_fraction_theta_max 0.978
_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  0.042
_diffrn_reflns_av_sigmaI/netI    0.0280
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            25708
_diffrn_reflns_theta_full        66.80
_diffrn_reflns_theta_max         66.80
_diffrn_reflns_theta_min         4.03
_exptl_absorpt_coefficient_mu    1.638
_exptl_absorpt_correction_T_max  0.8940
_exptl_absorpt_correction_T_min  0.7912
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'Denzo (Otwinowski, Borek, Majewski & Minor, 2003)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.471
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1616
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.272
_refine_diff_density_min         -0.237
_refine_diff_density_rms         0.043
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.047
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     489
_refine_ls_number_reflns         6202
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.047
_refine_ls_R_factor_all          0.0551
_refine_ls_R_factor_gt           0.0449
_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^)+(0.0497P)^2^+2.1870P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1101
_refine_ls_wR_factor_ref         0.1182
_reflns_number_gt                5201
_reflns_number_total             6202
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2dt30321c.txt
_cod_data_source_block           erk5802
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7019728