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_7125005
_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_sum            'C25 H20 Cl3 P Te'
_chemical_formula_weight         585.33
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_block_doi                 10.5517/cc1jcchr
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-07-07 deposited with the CCDC.
2016-08-18 downloaded from the CCDC.
;
_cell_angle_alpha                89.50(3)
_cell_angle_beta                 87.76(3)
_cell_angle_gamma                85.74(3)
_cell_formula_units_Z            2
_cell_length_a                   8.5366(17)
_cell_length_b                   11.678(2)
_cell_length_c                   12.597(3)
_cell_measurement_temperature    173
_cell_volume                     1251.4(4)
_computing_cell_refinement       'Siemens XSCANS'
_computing_data_collection       'Siemens XSCANS'
_computing_data_reduction        'Siemens XSCANS'
_computing_molecular_graphics    Diamond
_computing_publication_material  WinGX
_computing_structure_refinement  'ShelXL (Sheldrick, 2008)'
_computing_structure_solution    'ShelXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      173
_diffrn_measured_fraction_theta_full 0.954
_diffrn_measured_fraction_theta_max 0.954
_diffrn_measurement_device_type  'Stoe IPDS imaging-plate system'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0523
_diffrn_reflns_av_sigmaI/netI    0.0535
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            9491
_diffrn_reflns_theta_full        25.98
_diffrn_reflns_theta_max         25.98
_diffrn_reflns_theta_min         2.38
_exptl_absorpt_coefficient_mu    1.583
_exptl_absorpt_correction_T_max  0.8741
_exptl_absorpt_correction_T_min  0.5829
_exptl_absorpt_correction_type   refdelf
_exptl_absorpt_process_details
'Parkin S,Moezzi B & Hope H, (1995) J. Appl. Cryst. 28, 53-56'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.553
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             576
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.1
_refine_diff_density_max         1.397
_refine_diff_density_min         -0.502
_refine_diff_density_rms         0.124
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.083
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     280
_refine_ls_number_reflns         4453
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.103
_refine_ls_R_factor_all          0.0512
_refine_ls_R_factor_gt           0.0452
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0896P)^2^+0.0175P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1284
_refine_ls_wR_factor_ref         0.1333
_reflns_number_gt                3818
_reflns_number_total             4453
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6cc06102h3.cif
_cod_data_source_block           shelxl
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Triclinic' was changed to
'triclinic' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/RSC/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_cell_volume        1251.3(4)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7125005