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_1546451
_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            'C46 H68 B2 K2 N8 O12'
_chemical_formula_weight         1024.90
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2016/6
_audit_update_record
;
2017-05-17 deposited with the CCDC.
2017-07-03 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 100.351(1)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   9.0098(1)
_cell_length_b                   22.6206(2)
_cell_length_c                   13.0457(1)
_cell_measurement_reflns_used    21715
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      76.0560
_cell_measurement_theta_min      3.8690
_cell_volume                     2615.54(4)
_computing_cell_refinement       'CrysAlisPro 1.171.38.43c (Rigaku OD, 2015)'
_computing_data_collection       'CrysAlisPro 1.171.38.43c (Rigaku OD, 2015)'
_computing_data_reduction        'CrysAlisPro 1.171.38.43c (Rigaku OD, 2015)'
_computing_publication_material
;
 WinGX v2014.1 (L. J. Farrugia, J. Appl. Cryst., 2012, 45, 849-854.)
;
_computing_structure_refinement
;
 SHELXL-2014/7 (G. M. Sheldrick, Acta Cryst. (2008), A64, 112-122)'
;
_computing_structure_solution
;
 SHELXS-2014/7 (G. M. Sheldrick, Acta Cryst., 2008, A64, 112--122)
;
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 10.3543
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'Oxford Xcalibur, Atlas, Nova'
_diffrn_measurement_method       '\w scan'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0664
_diffrn_reflns_av_unetI/netI     0.0252
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            53304
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        75.000
_diffrn_reflns_theta_max         76.170
_diffrn_reflns_theta_min         3.908
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'Nova (Cu) X-ray Source'
_exptl_absorpt_coefficient_mu    2.148
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.40735
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.38.43c (Rigaku Oxford Diffraction, 2015)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.301
_exptl_crystal_description       plate
_exptl_crystal_F_000             1088
_exptl_crystal_size_max          0.180
_exptl_crystal_size_mid          0.180
_exptl_crystal_size_min          0.020
_refine_diff_density_max         0.382
_refine_diff_density_min         -0.285
_refine_diff_density_rms         0.043
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.047
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     318
_refine_ls_number_reflns         5473
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.047
_refine_ls_R_factor_all          0.0395
_refine_ls_R_factor_gt           0.0361
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0522P)^2^+0.7292P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0956
_refine_ls_wR_factor_ref         0.0986
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5006
_reflns_number_total             5473
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7sc02238g2.cif
_cod_data_source_block           rf21rf
_cod_database_code               1546451
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_min   0.698
_shelx_estimated_absorpt_t_max   0.958
_shelx_res_checksum              75232