Complementary Synthetic Approaches toward 9-Phosphatriptycene and Structure-Reactivity Investigations of Its Association with Sterically Hindered Lewis Acids.
Hu, Lei; Mahaut, Damien; Tumanov, Nikolay; Wouters, Johan; Robiette, Raphaël; Berionni, Guillaume; The Journal of organic chemistry 84 (2019) 11268–11274; doi:10.1021/acs.joc.9b01570

data_4033815
_publ_section_title
;
 Complementary Synthetic Approaches toward 9-Phosphatriptycene and
 Structure-Reactivity Investigations of Its Association with Sterically
 Hindered Lewis Acids.
;
_journal_issue                   17
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              11268
_journal_page_last               11274
_journal_paper_doi               10.1021/acs.joc.9b01570
_journal_volume                  84
_journal_year                    2019
_chemical_formula_moiety         'C38 H28 P 1+, B F4 1-'
_chemical_formula_sum            'C38 H28 B F4 P'
_chemical_formula_weight         602.39
_chemical_name_common
'9-phosphatriptycene triphenylcarbenium tetrafluoroborate complex'
_chemical_name_systematic
'9-phosphatriptycene triphenylcarbenium tetrafluoroborate complex'
_space_group_crystal_system      trigonal
_space_group_IT_number           167
_space_group_name_Hall           '-R 3 2"c'
_space_group_name_H-M_alt        'R -3 c :H'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   dual
_audit_creation_method           SHELXL-2018/3
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            12
_cell_length_a                   13.4876(2)
_cell_length_b                   13.4876(2)
_cell_length_c                   57.4638(16)
_cell_measurement_reflns_used    6752
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      66.9570
_cell_measurement_theta_min      4.0660
_cell_volume                     9053.0(3)
_computing_cell_refinement       'CrysAlisPro 1.171.40.16b (Rigaku OD, 2018)'
_computing_data_collection       'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_data_reduction        'CrysAlisPro 1.171.40.16b (Rigaku OD, 2018)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2015 (Sheldrick, 2015)'
_diffrn_ambient_temperature      295(2)
_diffrn_detector_area_resol_mean 5.1856
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type
;
Oxford Diffraction Xcalibur, Ruby, Gemini Ultra
;
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  'multilayer mirror'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0368
_diffrn_reflns_av_unetI/netI     0.0133
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       61
_diffrn_reflns_limit_l_min       -68
_diffrn_reflns_number            24564
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        66.922
_diffrn_reflns_theta_max         66.922
_diffrn_reflns_theta_min         4.086
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    1.239
_exptl_absorpt_correction_T_max  0.917
_exptl_absorpt_correction_T_min  0.802
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.40.16b (Rigaku Oxford Diffraction, 2018)
Analytical numeric absorption correction using a multifaceted crystal
model based on expressions derived by R.C. Clark & J.S. Reid.
(Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.326
_exptl_crystal_description       plate
_exptl_crystal_F_000             3744
_exptl_crystal_size_max          0.280
_exptl_crystal_size_mid          0.190
_exptl_crystal_size_min          0.073
_refine_diff_density_max         0.562
_refine_diff_density_min         -0.416
_refine_diff_density_rms         0.064
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.079
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     133
_refine_ls_number_reflns         1799
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.079
_refine_ls_R_factor_all          0.0717
_refine_ls_R_factor_gt           0.0648
_refine_ls_shift/su_max          0.018
_refine_ls_shift/su_mean         0.003
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1415P)^2^+7.6459P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2026
_refine_ls_wR_factor_ref         0.2122
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1529
_reflns_number_total             1799
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo9b01570_si_006.cif
_cod_data_source_block           nt0469_LH_Trip_CPh3
_cod_original_cell_volume        9053.0(4)
_cod_database_code               4033815
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.723
_shelx_estimated_absorpt_t_max   0.915
_shelx_res_checksum              84246
_shelx_hkl_checksum              29786