Convenient access to the tricyanoborate dianion B(CN)3^2-^ and selected reactions as a boron-centred nucleophile
Johannes Landmann; Jan A. P. Sprenger; Rudiger Bertermann; Nikolai Ignatiev; Vera Bernhardt-Pitchougina; Eduard Bernhardt; Helge Willner; Maik Finze; Chem.Commun. 51 (2015) 4989–; doi:10.1039/C5cc00555H

data_7116736
_publ_section_title
;
 Convenient access to the tricyanoborate dianion B(CN)3^2-^ and selected
 reactions as a boron-centred nucleophile
;
_journal_name_full               Chem.Commun.
_journal_page_first              4989
_journal_paper_doi               10.1039/C5cc00555H
_journal_volume                  51
_journal_year                    2015
_chemical_formula_moiety         'C9 B F5 K N3'
_chemical_formula_sum            'C9 B F5 K N3'
_chemical_formula_weight         295.03
_space_group_IT_number           14
_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_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2014-12-17 deposited with the CCDC.
2015-02-17 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 103.98(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.894(2)
_cell_length_b                   12.782(3)
_cell_length_c                   7.5458(15)
_cell_measurement_reflns_used    2000
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      25.00
_cell_measurement_theta_min      2.38
_cell_volume                     1113.2(4)
_computing_cell_refinement       'CELL (Stoe & Cie, 1996)'
_computing_data_collection       'EXPOSE (Stoe & Cie, 1996)'
_computing_data_reduction        'INTEGRATE (Stoe & Cie, 1996)'
_computing_molecular_graphics    'Diamond3.1 (Crystal Impact GbR, 2006)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Stoe IPDS'
_diffrn_measurement_method       \f-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  0.0396
_diffrn_reflns_av_sigmaI/netI    0.0228
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            9150
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.38
_exptl_absorpt_coefficient_mu    0.530
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.760
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       parallelepiped
_exptl_crystal_F_000             576
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.334
_refine_diff_density_min         -0.507
_refine_diff_density_rms         0.132
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.017
_refine_ls_matrix_type           full
_refine_ls_number_parameters     172
_refine_ls_number_reflns         1955
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.017
_refine_ls_R_factor_all          0.0350
_refine_ls_R_factor_gt           0.0326
_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^)+(0.0536P)^2^+0.4900P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0815
_refine_ls_wR_factor_ref         0.0826
_reflns_number_gt                1755
_reflns_number_total             1955
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5cc00555h2.cif
_cod_data_source_block           KC6F5BCN3
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7116736