Phosphinoborenium cations stabilized by N-heterocyclic carbenes: synthesis, structure, and reactivity
Kaniewska-Laskowska, Kinga; Ordyszewska, Anna; Wojnowski, Tomasz; Halenka, Hanna; Czapla, Marcin; Chojnacki, Jarosław; Grubba, Rafał; Dalton Transactions  (2023) –; doi:10.1039/D3DT03090C

data_7714195
_publ_section_title
;
 Phosphinoborenium cations stabilized by N-heterocyclic carbenes:
 synthesis, structure, and reactivity
;
_journal_name_full               'Dalton Transactions'
_journal_paper_doi               10.1039/D3DT03090C
_journal_year                    2023
_chemical_formula_moiety         'C23 H48 B N3 P +, C H2 Cl2, Br -'
_chemical_formula_sum            'C24 H50 B Br Cl2 N3 P'
_chemical_formula_weight         573.26
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_audit_creation_date             2023-03-08
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2023-07-19 deposited with the CCDC.	2023-10-12 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 113.564(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   17.2597(4)
_cell_length_b                   10.7727(2)
_cell_length_c                   18.5283(5)
_cell_measurement_reflns_used    61804
_cell_measurement_temperature    120
_cell_measurement_theta_max      29.67
_cell_measurement_theta_min      2.08
_cell_volume                     3157.77(14)
_computing_cell_refinement       'X-Area Recipe 1.34.0.0 (STOE, 2019)'
_computing_data_collection       'X-Area WinXpose 2.0.22.0 (STOE, 2016)'
_computing_data_reduction
'X-Area Integrate 1.77.0.0 (STOE, 2019) X-Area X-Red32 1.65.0.0 (STOE, 2018)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      120
_diffrn_detector_area_resol_mean 6.67
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  'STOE IPDS 2T'
_diffrn_measurement_method       'rotation method, \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0424
_diffrn_reflns_av_unetI/netI     0.0239
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.986
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_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            39054
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.986
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         29.350
_diffrn_reflns_theta_min         2.239
_diffrn_source                   'GeniX Mo, 0.05 x 0.05 mm2 microfocus'
_exptl_absorpt_coefficient_mu    1.538
_exptl_absorpt_correction_T_max  0.9266
_exptl_absorpt_correction_T_min  0.5366
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details
'STOE X-Red32, absorption correction by Gaussian integration, analogous to P. Coppens, "The Evaluation of Absorption and Extinction in Single-Crystal Structure Analysis", published in F. R. Ahmed (Editor), "Crystallographic Computing", Munksgaard, Copenhagen (1970), 255 - 270'
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.206
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1216
_exptl_crystal_size_max          0.43
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.781
_refine_diff_density_min         -1.373
_refine_diff_density_rms         0.094
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.121
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     347
_refine_ls_number_reflns         8543
_refine_ls_number_restraints     17
_refine_ls_restrained_S_all      1.126
_refine_ls_R_factor_all          0.0686
_refine_ls_R_factor_gt           0.0563
_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^)+(0.0387P)^2^+9.3402P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1292
_refine_ls_wR_factor_ref         0.1387
_reflns_Friedel_coverage         0.000
_reflns_number_gt                7337
_reflns_number_total             8543
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3dt03090c2.cif
_cod_data_source_block           1a
_cod_original_cell_volume        3157.76(13)
_cod_database_code               7714195
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.927
_shelx_estimated_absorpt_t_min   0.558
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2. Restrained distances
 P1-C10 \\sim P1A-C10
 with sigma of 0.02
 P1-C14 \\sim P1A-C14A
 with sigma of 0.02
 P1-B1 \\sim P1A-B1
 with sigma of 0.02
 C10-C11 \\sim C10-C11A
 with sigma of 0.02
 C10-C12 \\sim C10-C12A
 with sigma of 0.02
 C10-C13 \\sim C10-C13A
 with sigma of 0.02
 C14-C15 \\sim C14A-C15A
 with sigma of 0.02
 C14-C16 \\sim C14A-C16A
 with sigma of 0.02
 C14-C17 \\sim C14A-C17A
 with sigma of 0.02
 P1-C15 \\sim P1A-C15A
 with sigma of 0.04
 P1-C16 \\sim P1A-C16A
 with sigma of 0.04
 P1-C17 \\sim P1A-C17A
 with sigma of 0.04
 C10-C14 \\sim C10-C14A
 with sigma of 0.04
 C14-B1 \\sim C14A-B1
 with sigma of 0.04
 C15-C16 \\sim C15A-C16A
 with sigma of 0.04
 C15-C17 \\sim C15A-C17A
 with sigma of 0.04
 C16-C17 \\sim C16A-C17A
 with sigma of 0.04
3. Others
 Sof(P1A)=Sof(C14A)=Sof(C16A)=Sof(H16D)=Sof(H16E)=Sof(H16F)=Sof(C15A)=
 Sof(H15D)=Sof(H15E)=Sof(H15F)=Sof(C17A)=Sof(H17D)=Sof(H17E)=Sof(H17F)=
 Sof(C11A)=Sof(H11D)=Sof(H11E)=Sof(H11F)=Sof(C12A)=Sof(H12D)=Sof(H12E)=
 Sof(H12F)=Sof(C13A)=Sof(H13D)=Sof(H13E)=Sof(H13F)=1-FVAR(1)
 Sof(P1)=Sof(C11)=Sof(H11A)=Sof(H11B)=Sof(H11C)=Sof(C12)=Sof(H12A)=Sof(H12B)=
 Sof(H12C)=Sof(C13)=Sof(H13A)=Sof(H13B)=Sof(H13C)=Sof(C14)=Sof(C15)=Sof(H15A)=
 Sof(H15B)=Sof(H15C)=Sof(C16)=Sof(H16A)=Sof(H16B)=Sof(H16C)=Sof(C17)=Sof(H17A)=
 Sof(H17B)=Sof(H17C)=FVAR(1)
4.a Ternary CH refined with riding coordinates:
 C4(H4), C7(H7), C18(H18), C21(H21)
4.b Secondary CH2 refined with riding coordinates:
 C24(H24A,H24B)
4.c Aromatic/amide H refined with riding coordinates:
 C2(H2), C3(H3)
4.d Idealised Me refined as rotating group:
 C5(H5A,H5B,H5C), C6(H6A,H6B,H6C), C8(H8A,H8B,H8C), C9(H9A,H9B,H9C), C11(H11A,
 H11B,H11C), C12(H12A,H12B,H12C), C13(H13A,H13B,H13C), C15(H15A,H15B,H15C),
 C16(H16A,H16B,H16C), C17(H17A,H17B,H17C), C19(H19A,H19B,H19C), C20(H20A,H20B,
 H20C), C22(H22A,H22B,H22C), C23(H23A,H23B,H23C), C16A(H16D,H16E,H16F),
 C15A(H15D,H15E,H15F), C17A(H17D,H17E,H17F), C11A(H11D,H11E,H11F), C12A(H12D,
 H12E,H12F), C13A(H13D,H13E,H13F)
;
_shelx_res_checksum              44070
_olex2_submission_special_instructions 'No special instructions were received'