Increasing the Brønsted acidity of Ph2PO2H by the Lewis acid B(C6F5)3. Formation of an eight-membered boraphosphinate ring [Ph2POB(C6F5)2O]2.
Kather, Ralf; Rychagova, Elena; Sanz Camacho, Paula; Ashbrook, Sharon E.; Woollins, J. Derek; Robben, Lars; Lork, Enno; Ketkov, Sergey; Beckmann, Jens; Chemical communications (Cambridge, England) 52 (2016) 10992–10995; doi:10.1039/c6cc06102h

data_7125011
_publ_section_title
;
 Increasing the Br\/onsted acidity of Ph2PO2H by the Lewis acid B(C6F5)3.
 Formation of an eight-membered boraphosphinate ring [Ph2POB(C6F5)2O]2.
;
_journal_issue                   73
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              10992
_journal_page_last               10995
_journal_paper_doi               10.1039/c6cc06102h
_journal_volume                  52
_journal_year                    2016
_chemical_formula_moiety         'C18 H22 P Te, I3'
_chemical_formula_sum            'C18 H22 I3 P Te'
_chemical_formula_weight         777.66
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_block_doi                 10.5517/cc1jccpy
_audit_update_record
;
2015-07-07 deposited with the CCDC.
2016-08-18 downloaded from the CCDC.
;
_cell_angle_alpha                90.0000
_cell_angle_beta                 93.366(2)
_cell_angle_gamma                90.0000
_cell_formula_units_Z            4
_cell_length_a                   9.8954(8)
_cell_length_b                   15.5322(15)
_cell_length_c                   14.5588(14)
_cell_measurement_reflns_used    7451
_cell_measurement_temperature    173
_cell_measurement_theta_max      25.40
_cell_measurement_theta_min      1.40
_cell_volume                     2233.8(4)
_computing_cell_refinement       'CrystalClear-SM Expert 2.1 b32'
_computing_data_collection
'CrystalClear-SM Expert 2.1 b32 (Rigaku, 2014)'
_computing_data_reduction        'CrystalClear-SM Expert 2.1 b32'
_computing_molecular_graphics    'CrystalStructure 4.1'
_computing_publication_material  'CrystalStructure 4.1 (Rigaku, 2014)'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'Superflip (Palatinus, et al., 2007)'
_diffrn_ambient_temperature      173
_diffrn_detector_area_resol_mean 11.628
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Rigaku XtaLAB P200'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0359
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            26986
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.375
_diffrn_reflns_theta_min         1.919
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    5.550
_exptl_absorpt_correction_T_max  0.801
_exptl_absorpt_correction_T_min  0.548
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'REQAB (Rigaku, 1998)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    2.312
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1424.00
_exptl_crystal_size_max          0.150
_exptl_crystal_size_mid          0.150
_exptl_crystal_size_min          0.040
_refine_diff_density_max         0.82
_refine_diff_density_min         -0.75
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.033
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     212
_refine_ls_number_reflns         4098
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0174
_refine_ls_R_factor_gt           0.0158
_refine_ls_shift/su_max          0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0222P)^2^+0.3964P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0407
_refine_ls_wR_factor_ref         0.0412
_reflns_number_gt                3831
_reflns_number_total             4098
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            c6cc06102h3.cif
_cod_data_source_block           anddw20a
_cod_database_code               7125011