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_7706108
_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         'C5 H10 N2 P, I'
_chemical_formula_sum            'C5 H10 I N2 P'
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_space_group_name_Hall           '-P 2ab 2a'
_space_group_name_H-M_alt        'P m m n :2'
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_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
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_cell_angle_gamma                90
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_cell_measurement_temperature    130(2)
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_cell_measurement_theta_min      2.714
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_computing_cell_refinement       'Bruker ApexII Software Suite, 2008'
_computing_data_collection       'Bruker ApexII Software Suite, 2008'
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_computing_publication_material  'SHELXL-2014/7 (Sheldrick, 2014)'
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_computing_structure_solution    'SHELXS-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      130(2)
_diffrn_measured_fraction_theta_full 0.959
_diffrn_measured_fraction_theta_max 0.959
_diffrn_measurement_device_type  'Bruker Kappa ApexII Duo'
_diffrn_measurement_method       'Omega and phi scans'
_diffrn_radiation_type           MoK\a
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_diffrn_reflns_limit_l_min       -8
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_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'BLESSING 1995'
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0290P)^2^+12.3500P] where P=(Fo^2^+2Fc^2^)/3'
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_reflns_number_gt                409
_reflns_number_total             447
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0dt03633a2.cif
_cod_data_source_block           g480_mn
_cod_original_sg_symbol_H-M      'P m m n'
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_shelx_estimated_absorpt_t_min   0.687
_shelx_estimated_absorpt_t_max   0.756
_shelx_res_checksum              79961