Phosphirenium borate betaines from alkynylphosphanes and the halogeno-B(C<sub>6</sub>F<sub>5</sub>)<sub>2</sub> reagents.
Ueno, Atsushi; Möricke, Jennifer; Daniliuc, Constantin G.; Kehr, Gerald; Erker, Gerhard; Chemical communications (Cambridge, England) 54 (2018) 13746–13749; doi:10.1039/c8cc07189f

data_7122589
_publ_section_title
;
 Phosphirenium borate betaines from alkynylphosphanes and the
 halogeno-B(C<sub>6</sub>F<sub>5</sub>)<sub>2</sub> reagents.
;
_journal_issue                   97
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              13746
_journal_page_last               13749
_journal_paper_doi               10.1039/c8cc07189f
_journal_volume                  54
_journal_year                    2018
_chemical_formula_sum            'C35 H31 B Br F10 P Si'
_chemical_formula_weight         791.38
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2018-09-03 deposited with the CCDC.
2018-11-08 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 95.326(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.6668(2)
_cell_length_b                   20.0637(4)
_cell_length_c                   19.4399(3)
_cell_measurement_reflns_used    8499
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      28.28
_cell_measurement_theta_min      4.08
_cell_volume                     3754.13(12)
_computing_cell_refinement       'Collect (Nonius B.V., 1998)'
_computing_data_collection       'Collect (Nonius B.V., 1998)'
_computing_data_reduction        'Denzo-SMN (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'XP (BrukerAXS, 2000)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'Nonius KappaCCD APEXII'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  'Montel mirror'
_diffrn_radiation_source         'rotating anode Nonius FR591'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.066
_diffrn_reflns_av_sigmaI/netI    0.0549
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            26502
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         4.09
_exptl_absorpt_coefficient_mu    1.243
_exptl_absorpt_correction_T_max  0.9180
_exptl_absorpt_correction_T_min  0.9071
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'Denzo (Otwinowski, Borek, Majewski & Minor, 2003)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.400
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1600
_exptl_crystal_size_max          0.08
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.476
_refine_diff_density_min         -0.393
_refine_diff_density_rms         0.069
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.030
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     451
_refine_ls_number_reflns         6527
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.030
_refine_ls_R_factor_all          0.0716
_refine_ls_R_factor_gt           0.0513
_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^)+(0.0268P)^2^+7.6636P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1043
_refine_ls_wR_factor_ref         0.1125
_reflns_number_gt                5034
_reflns_number_total             6527
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c8cc07189f2.cif
_cod_data_source_block           erk9214
_cod_depositor_comments
'Adding full bibliography for 7122588--7122592.cif.'
_cod_original_cell_volume        3754.12(12)
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7122589
_platon_squeeze_void_probe_radius 1.20