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_7706852
_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         'C25 H20 O3 P Rh'
_chemical_formula_sum            'C25 H20 O3 P Rh'
_chemical_formula_weight         502.29
_chemical_name_common            'Rh(acac)CO(9-phosphatriptycene) complex'
_chemical_name_systematic
'(acetylacetonato)-carbonylrhodium-9-phosphatriptycene complex'
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   dual
_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                65.676(2)
_cell_angle_beta                 80.915(2)
_cell_angle_gamma                76.193(2)
_cell_formula_units_Z            4
_cell_length_a                   9.3940(2)
_cell_length_b                   15.7924(3)
_cell_length_c                   16.7012(4)
_cell_measurement_reflns_used    14304
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      67.0450
_cell_measurement_theta_min      2.8920
_cell_volume                     2187.53(9)
_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 0.989
_diffrn_measured_fraction_theta_max 0.989
_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  0.0263
_diffrn_reflns_av_unetI/netI     0.0283
_diffrn_reflns_Laue_measured_fraction_full 0.989
_diffrn_reflns_Laue_measured_fraction_max 0.989
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            21822
_diffrn_reflns_point_group_measured_fraction_full 0.989
_diffrn_reflns_point_group_measured_fraction_max 0.989
_diffrn_reflns_theta_full        67.147
_diffrn_reflns_theta_max         67.147
_diffrn_reflns_theta_min         2.910
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    7.196
_exptl_absorpt_correction_T_max  0.671
_exptl_absorpt_correction_T_min  0.258
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.40.53 (Rigaku Oxford Diffraction, 2019)
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            yellow
_exptl_crystal_density_diffrn    1.525
_exptl_crystal_description       block
_exptl_crystal_F_000             1016
_exptl_crystal_size_max          0.330
_exptl_crystal_size_mid          0.120
_exptl_crystal_size_min          0.061
_refine_diff_density_max         0.402
_refine_diff_density_min         -0.430
_refine_diff_density_rms         0.057
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.043
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     545
_refine_ls_number_reflns         7739
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.0262
_refine_ls_R_factor_gt           0.0244
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0323P)^2^+0.5656P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0618
_refine_ls_wR_factor_ref         0.0632
_reflns_Friedel_coverage         0.000
_reflns_number_gt                7213
_reflns_number_total             7739
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1dt00816a2.cif
_cod_data_source_block           nt0808_LHG200B
_cod_depositor_comments
'Adding full bibliography for 7706848--7706861.cif.'
_cod_original_cell_volume        2187.53(10)
_cod_database_code               7706852
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.200
_shelx_estimated_absorpt_t_max   0.668
_shelx_res_checksum              63
_shelx_hkl_checksum              97612