Sterically hindered ortho-substituted phosphatriptycenes as configurationally stable P-chirogenic triarylphosphines.
Hu, Lei; Mahaut, Damien; Tumanov, Nikolay; Wouters, Johan; Collard, Laurent; Robiette, Raphaël; Berionni, Guillaume; Dalton transactions (Cambridge, England : 2003) 50 (2021) 4772–4777; doi:10.1039/d1dt00816a

data_7706856
_publ_section_title
;
 Sterically hindered ortho-substituted phosphatriptycenes as
 configurationally stable P-chirogenic triarylphosphines.
;
_journal_issue                   14
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              4772
_journal_page_last               4777
_journal_paper_doi               10.1039/d1dt00816a
_journal_volume                  50
_journal_year                    2021
_chemical_formula_moiety         'C23 H20 Cl P'
_chemical_formula_sum            'C23 H20 Cl P'
_chemical_formula_weight         362.81
_chemical_name_common
(5R/S,10S/R)-2-(tert-butyl)-6-chloro-10H-5,10-[1,2]benzenoacridophosphine
_chemical_name_systematic
(5R/S,10S/R)-2-(tert-butyl)-6-chloro-10H-5,10-[1,2]benzenoacridophosphine
_space_group_crystal_system      monoclinic
_space_group_IT_number           11
_space_group_name_Hall           '-P 2yb'
_space_group_name_H-M_alt        'P 1 21/m 1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2021-02-08 deposited with the CCDC.	2021-03-15 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 99.365(3)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   8.1914(2)
_cell_length_b                   13.7899(4)
_cell_length_c                   8.6284(2)
_cell_measurement_reflns_used    2317
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      66.7210
_cell_measurement_theta_min      6.3180
_cell_volume                     961.66(4)
_computing_cell_refinement       'CrysAlisPro 1.171.40.53 (Rigaku OD, 2019)'
_computing_data_collection       'CrysAlisPro 1.171.40.53 (Rigaku OD, 2019)'
_computing_data_reduction        'CrysAlisPro 1.171.40.53 (Rigaku OD, 2019)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      295(2)
_diffrn_detector_area_resol_mean 5.1856
_diffrn_measured_fraction_theta_full 0.983
_diffrn_measured_fraction_theta_max 0.986
_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_unetI/netI     0.0200
_diffrn_reflns_Laue_measured_fraction_full 0.983
_diffrn_reflns_Laue_measured_fraction_max 0.986
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            2998
_diffrn_reflns_point_group_measured_fraction_full 0.983
_diffrn_reflns_point_group_measured_fraction_max 0.986
_diffrn_reflns_theta_full        67.221
_diffrn_reflns_theta_max         67.221
_diffrn_reflns_theta_min         5.195
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    2.537
_exptl_absorpt_correction_T_max  0.931
_exptl_absorpt_correction_T_min  0.673
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.40.53 (Rigaku Oxford Diffraction, 2019)
Numerical absorption correction based on gaussian integration over
a multifaceted crystal model
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.253
_exptl_crystal_description       plate
_exptl_crystal_F_000             380
_exptl_crystal_size_max          0.290
_exptl_crystal_size_mid          0.072
_exptl_crystal_size_min          0.028
_refine_diff_density_max         0.380
_refine_diff_density_min         -0.269
_refine_diff_density_rms         0.049
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.146
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     140
_refine_ls_number_reflns         2998
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      1.145
_refine_ls_R_factor_all          0.0583
_refine_ls_R_factor_gt           0.0517
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0460P)^2^+0.6181P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1530
_refine_ls_wR_factor_ref         0.1553
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2585
_reflns_number_total             2998
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1dt00816a2.cif
_cod_data_source_block           nt0764_LHG168
_cod_depositor_comments
'Adding full bibliography for 7706848--7706861.cif.'
_cod_original_cell_volume        961.67(5)
_cod_original_sg_symbol_H-M      'P 21/m'
_cod_database_code               7706856
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.527
_shelx_estimated_absorpt_t_max   0.932
_shelx_res_checksum              57864
_shelx_hkl_checksum              30066