1,3-Dipolar cyclisation reactions of nitriles with sterically encumbered cyclic triphosphanes: synthesis and electronic structure of phosphorus-rich heterocycles with tunable colour.
Nascimento, Mitchell A.; LaPierre, Etienne A.; Patrick, Brian O.; Watson, Jade E. T.; Watanabe, Lara; Rawson, Jeremy; Hering-Junghans, Christian; Manners, Ian; Chemical science 15 (2024) 12006–12016; doi:10.1039/d4sc02497d

data_1572041
_publ_section_title
;
 1,3-Dipolar cyclisation reactions of nitriles with sterically encumbered
 cyclic triphosphanes: synthesis and electronic structure of
 phosphorus-rich heterocycles with tunable colour.
;
_journal_issue                   30
_journal_name_full               'Chemical science'
_journal_page_first              12006
_journal_page_last               12016
_journal_paper_doi               10.1039/d4sc02497d
_journal_volume                  15
_journal_year                    2024
_chemical_formula_moiety         'C43 H56 N1 P3'
_chemical_formula_sum            'C43 H56 N P3'
_chemical_formula_weight         679.79
_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   geom
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2023-09-05 deposited with the CCDC.	2024-07-01 downloaded from the CCDC.
;
_cell_angle_alpha                86.071(2)
_cell_angle_beta                 89.119(3)
_cell_angle_gamma                79.852(2)
_cell_formula_units_Z            2
_cell_length_a                   8.7516(4)
_cell_length_b                   11.3824(5)
_cell_length_c                   20.2888(11)
_cell_measurement_reflns_used    9994
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.43
_cell_measurement_theta_min      2.36
_cell_volume                     1984.75(17)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'LinXTL v. 5.9.9 (Spasyuk, 2009)'
_computing_structure_refinement  'SHELXL-2014 (Sheldrick 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0308
_diffrn_reflns_av_unetI/netI     0.0355
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            28331
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.993
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.431
_diffrn_reflns_theta_min         1.006
_exptl_absorpt_coefficient_mu    0.179
_exptl_absorpt_correction_T_max  0.7454
_exptl_absorpt_correction_T_min  .7238
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sadabs (Sheldrick, 1996)'
_exptl_crystal_colour            Yellow
_exptl_crystal_density_diffrn    1.138
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       irregular
_exptl_crystal_F_000             732
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.330
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_refine_diff_density_rms         0.043
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     436
_refine_ls_number_reflns         8107
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0507
_refine_ls_R_factor_gt           0.0373
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0373P)^2^+0.7620P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0860
_refine_ls_wR_factor_ref         0.0925
_reflns_Friedel_coverage         0.000
_reflns_number_gt                6576
_reflns_number_total             8107
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4sc02497d4.cif
_cod_data_source_block           im024_a
_cod_depositor_comments
'Adding full bibliography for 1572027--1572043.cif.'
_cod_database_code               1572041
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.958
_shelx_estimated_absorpt_t_max   0.988
_shelx_res_checksum              79890