Completing the series of boron-nucleophilic cyanoborates: Boryl anions of type (NHC)−B(CN)2−
Böser, Richard; Haufe, Lisa Cathrin; Freytag, Matthias; Jones, P. G.; Hörner, Gerald; René, Frank; Chem. Sci.  (2017) –; doi:10.1039/C7SC02238G

data_1546457
_publ_section_title
;
 Completing the series of boron-nucleophilic cyanoborates: Boryl anions of
 type (NHC)&#x2212;B(CN)2&#x2212;
;
_journal_name_full               'Chem. Sci.'
_journal_paper_doi               10.1039/C7SC02238G
_journal_year                    2017
_chemical_formula_sum            'C23 H24 B I N4'
_chemical_formula_weight         494.17
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_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_creation_method           SHELXL-97
_audit_update_record
;
2017-05-17 deposited with the CCDC.
2017-07-03 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.036(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            12
_cell_length_a                   16.5750(3)
_cell_length_b                   17.3066(2)
_cell_length_c                   23.9859(4)
_cell_measurement_reflns_used    67603
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30.6520
_cell_measurement_theta_min      2.6370
_cell_volume                     6880.52(19)
_computing_cell_refinement
; 
CrysAlisPro, Agilent Technologies, 
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET) 
(compiled Aug 13 2014,18:06:01)  
;
_computing_data_collection
; 
CrysAlisPro, Agilent Technologies, 
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET) 
(compiled Aug 13 2014,18:06:01)  
;
_computing_data_reduction
; 
CrysAlisPro, Agilent Technologies, 
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET) 
(compiled Aug 13 2014,18:06:01) 
;
_computing_molecular_graphics    'Bruker XP'
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 16.1419
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Oxford Diffraction Xcalibur, Eos'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0571
_diffrn_reflns_av_sigmaI/netI    0.0239
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       33
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            398935
_diffrn_reflns_theta_full        30.03
_diffrn_reflns_theta_max         30.03
_diffrn_reflns_theta_min         2.35
_diffrn_source                   'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    1.412
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.97981
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
CrysAlisPro, Agilent Technologies, 
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET) 
(compiled Aug 13 2014,18:06:01) 
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.431
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'cut needle'
_exptl_crystal_F_000             2976
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.538
_refine_diff_density_min         -0.486
_refine_diff_density_rms         0.078
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.059
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     803
_refine_ls_number_reflns         20085
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.059
_refine_ls_R_factor_all          0.0358
_refine_ls_R_factor_gt           0.0292
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0234P)^2^+4.7333P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0606
_refine_ls_wR_factor_ref         0.0627
_reflns_number_gt                18168
_reflns_number_total             20085
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c7sc02238g2.cif
_cod_data_source_block           rene05b
_cod_original_cell_volume        6880.51(19)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               1546457