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_4120636
_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            'C22 H29 P'
_chemical_formula_weight         324.42
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                87.588(4)
_cell_angle_beta                 77.145(3)
_cell_angle_gamma                61.359(3)
_cell_formula_units_Z            4
_cell_length_a                   11.3351(6)
_cell_length_b                   11.4675(4)
_cell_length_c                   17.6404(5)
_cell_measurement_reflns_used    6716
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      68.25
_cell_measurement_theta_min      0.88
_cell_volume                     1956.39(15)
_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 0.965
_diffrn_measured_fraction_theta_max 0.965
_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  0.045
_diffrn_reflns_av_sigmaI/netI    0.0193
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            52812
_diffrn_reflns_theta_full        66.96
_diffrn_reflns_theta_max         66.96
_diffrn_reflns_theta_min         4.41
_exptl_absorpt_coefficient_mu    1.202
_exptl_absorpt_correction_T_max  0.8218
_exptl_absorpt_correction_T_min  0.6450
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'Denzo (Otwinowski, Borek, Majewski & Minor, 2003)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.101
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       column
_exptl_crystal_F_000             704
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.397
_refine_diff_density_min         -0.250
_refine_diff_density_rms         0.041
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.066
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     427
_refine_ls_number_reflns         6716
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.066
_refine_ls_R_factor_all          0.0509
_refine_ls_R_factor_gt           0.0472
_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^)+(0.0711P)^2^+0.8394P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1294
_refine_ls_wR_factor_ref         0.1339
_reflns_number_gt                6180
_reflns_number_total             6716
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja413060u_si_002.cif
_cod_data_source_block           erk6297
_cod_original_cell_volume        1956.39(14)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4120636