Proton transfer vs. oligophosphine formation by P-C/P-H σ-bond metathesis: decoding the competing Brønsted and Lewis type reactivities of imidazolio-phosphines.
Cicač-Hudi, Mario; Feil, Christoph M.; Birchall, Nicholas; Nieger, Martin; Gudat, Dietrich; Dalton transactions (Cambridge, England : 2003) 49 (2020) 17401–17413; doi:10.1039/d0dt03633a

data_7706118
_publ_section_title
;
 Proton transfer vs. oligophosphine formation by P-C/P-H \s-bond
 metathesis: decoding the competing Br\/onsted and Lewis type reactivities
 of imidazolio-phosphines.
;
_journal_issue                   47
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              17401
_journal_page_last               17413
_journal_paper_doi               10.1039/d0dt03633a
_journal_volume                  49
_journal_year                    2020
_chemical_formula_moiety         'C29 H42 N2 P, B F4'
_chemical_formula_sum            'C29 H42 B F4 N2 P'
_chemical_formula_weight         536.42
_space_group_crystal_system      orthorhombic
_space_group_IT_number           62
_space_group_name_Hall           '-P 2ac 2n'
_space_group_name_H-M_alt        'P n m a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2020-03-23 deposited with the CCDC.	2020-11-09 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   18.5540(5)
_cell_length_b                   19.0734(6)
_cell_length_c                   8.1713(2)
_cell_measurement_reflns_used    3607
_cell_measurement_temperature    135(2)
_cell_measurement_theta_max      30.659
_cell_measurement_theta_min      2.136
_cell_volume                     2891.72(14)
_computing_cell_refinement       'Bruker ApexII Software Suite, 2008'
_computing_data_collection       'Bruker ApexII Software Suite, 2008'
_computing_data_reduction        'Bruker ApexII Software Suite, 2008'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      135(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker Kappa ApexII Duo'
_diffrn_measurement_method       'Omega and phi scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0327
_diffrn_reflns_av_unetI/netI     0.0237
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            37631
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.993
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.659
_diffrn_reflns_theta_min         2.136
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.141
_exptl_absorpt_correction_T_max  0.7461
_exptl_absorpt_correction_T_min  0.7100
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'BLESSING 1995'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.232
_exptl_crystal_description       block
_exptl_crystal_F_000             1144
_exptl_crystal_size_max          0.591
_exptl_crystal_size_mid          0.430
_exptl_crystal_size_min          0.422
_refine_diff_density_max         0.390
_refine_diff_density_min         -0.403
_refine_diff_density_rms         0.057
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.049
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     176
_refine_ls_number_reflns         4562
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.049
_refine_ls_R_factor_all          0.0592
_refine_ls_R_factor_gt           0.0430
_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^)+(0.0566P)^2^+1.3806P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1100
_refine_ls_wR_factor_ref         0.1223
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3607
_reflns_number_total             4562
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0dt03633a2.cif
_cod_data_source_block           g540_mn
_cod_database_code               7706118
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.921
_shelx_estimated_absorpt_t_max   0.943
_shelx_res_checksum              2359