Internal Adduct Formation of Active Intramolecular C4-bridged Frustrated Phosphane/Borane Lewis Pairs.
Wang, Xiaowu; Kehr, Gerald; Daniliuc, Constantin G.; Erker, Gerhard; Journal of the American Chemical Society 136 (2014) 3293–; doi:10.1021/ja413060u

data_4120637
_publ_section_title
;
 Internal Adduct Formation of Active Intramolecular C4-bridged Frustrated
 Phosphane/Borane Lewis Pairs.
;
_journal_issue                   8
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              3293
_journal_paper_doi               10.1021/ja413060u
_journal_volume                  136
_journal_year                    2014
_chemical_formula_sum            'C44.5 H44 B F10 P'
_chemical_formula_weight         810.58
_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                 92.799(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.7877(6)
_cell_length_b                   14.8191(15)
_cell_length_c                   18.9752(16)
_cell_measurement_reflns_used    6624
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      68.25
_cell_measurement_theta_min      0.88
_cell_volume                     4153.3(6)
_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 0.943
_diffrn_measured_fraction_theta_max 0.943
_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  0.090
_diffrn_reflns_av_sigmaI/netI    0.0466
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            37892
_diffrn_reflns_theta_full        66.55
_diffrn_reflns_theta_max         66.55
_diffrn_reflns_theta_min         3.79
_exptl_absorpt_coefficient_mu    1.245
_exptl_absorpt_correction_T_max  0.8856
_exptl_absorpt_correction_T_min  0.7888
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'Denzo (Otwinowski, Borek, Majewski & Minor, 2003)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.296
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1684
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.411
_refine_diff_density_min         -0.271
_refine_diff_density_rms         0.049
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.030
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     537
_refine_ls_number_reflns         6905
_refine_ls_number_restraints     96
_refine_ls_restrained_S_all      1.074
_refine_ls_R_factor_all          0.1165
_refine_ls_R_factor_gt           0.0679
_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^)+(0.0917P)^2^+3.1955P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1708
_refine_ls_wR_factor_ref         0.2075
_reflns_number_gt                4194
_reflns_number_total             6905
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja413060u_si_002.cif
_cod_data_source_block           erk6545
_cod_original_sg_symbol_H-M      P21/n
_cod_original_formula_sum        'C44.50 H44 B F10 P'
_cod_database_code               4120637