Tris(pentafluorophenyl)borane as an efficient catalyst in the guanylation reaction of amines.
Antiñolo, Antonio; Carrillo-Hermosilla, Fernando; Fernández-Galán, Rafael; Martínez-Ferrer, Jaime; Alonso-Moreno, Carlos; Bravo, Iván; Moreno-Blázquez, Sonia; Salgado, Manuel; Villaseñor, Elena; Albaladejo, José; Dalton transactions (Cambridge, England : 2003) 45 (2016) 10717–10729; doi:10.1039/c6dt01237j

data_7039428
_publ_section_title
;
 Tris(pentafluorophenyl)borane as an efficient catalyst in the guanylation
 reaction of amines.
;
_journal_issue                   26
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              10717
_journal_page_last               10729
_journal_paper_doi               10.1039/c6dt01237j
_journal_volume                  45
_journal_year                    2016
_chemical_formula_sum            'C31 H21 B F15 N3'
_chemical_formula_weight         731.32
_chemical_name_common            2a
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_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_update_record
;
2016-02-02 deposited with the CCDC.
2016-06-02 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 93.539(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.9239(7)
_cell_length_b                   19.2190(11)
_cell_length_c                   14.3968(9)
_cell_measurement_reflns_used    9928
_cell_measurement_temperature    110.(2)
_cell_measurement_theta_max      26.3066
_cell_measurement_theta_min      2.2740
_cell_volume                     3016.8(3)
_computing_cell_refinement       'SAINT V7.68A (Bruker AXS, 2009)'
_computing_data_collection       'Bruker Instrument Service v2010.9.0.0'
_computing_data_reduction        'SAINT V7.68A (Bruker AXS, 2009)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      110.(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  BrukerKappaApex2
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0389
_diffrn_reflns_av_sigmaI/netI    0.0232
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            48626
_diffrn_reflns_theta_full        25.35
_diffrn_reflns_theta_max         25.35
_diffrn_reflns_theta_min         1.77
_exptl_absorpt_coefficient_mu    0.160
_exptl_absorpt_correction_T_max  0.98
_exptl_absorpt_correction_T_min  0.90
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            'clear colourless'
_exptl_crystal_density_diffrn    1.610
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             1472
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.170
_exptl_crystal_size_min          0.120
_refine_diff_density_max         0.446
_refine_diff_density_min         -0.335
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.001
_refine_ls_hydrogen_treatment    refxyz
_refine_ls_matrix_type           full
_refine_ls_number_parameters     455
_refine_ls_number_reflns         5530
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.001
_refine_ls_R_factor_all          0.0420
_refine_ls_R_factor_gt           0.0311
_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^)+(0.0550P)^2^+1.3622P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0833
_refine_ls_wR_factor_ref         0.0942
_reflns_number_gt                4569
_reflns_number_total             5530
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6dt01237j2.cif
_cod_data_source_block           I
_cod_depositor_comments
'Adding full bibliography for 7039427--7039429.cif.'
_cod_database_code               7039428