Ambiphilic boron in 1,4,2,5-diazadiborinine
Baolin Wang; Yongxin Li; Rakesh Ganguly; Hajime Hirao; Rei Kinjo; Nature Communications 7 (2016) 11871–; doi:10.1038/ncomms11871

data_1548260
_publ_section_title
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 Ambiphilic boron in 1,4,2,5-diazadiborinine
;
_journal_name_full               'Nature Communications'
_journal_page_first              11871
_journal_paper_doi               10.1038/ncomms11871
_journal_volume                  7
_journal_year                    2016
_chemical_formula_sum            'C32 H32 B2 N4 Si'
_chemical_formula_weight         522.32
_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   mixed
_cell_angle_alpha                90
_cell_angle_beta                 94.979(9)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   20.534(8)
_cell_length_b                   18.455(7)
_cell_length_c                   7.417(3)
_cell_measurement_reflns_used    618
_cell_measurement_temperature    103.(2)
_cell_measurement_theta_max      18.6856
_cell_measurement_theta_min      2.9697
_cell_volume                     2800.1(19)
_computing_cell_refinement       'SAINT V8.34A (Bruker AXS Inc., 2013)'
_computing_data_collection       'APEX3 (Bruker AXS Inc., 2015)'
_computing_data_reduction        'SAINT V8.34A (Bruker AXS Inc., 2013)'
_computing_molecular_graphics    'XP (Bruker AXS Inc., 2015)'
_computing_publication_material  'APEX3 (Bruker AXS Inc., 2015)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'XT, VERSION 2014/4'
_diffrn_ambient_temperature      103.(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.2111
_diffrn_reflns_av_unetI/netI     0.1766
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            34178
_diffrn_reflns_theta_full        25.82
_diffrn_reflns_theta_max         25.82
_diffrn_reflns_theta_min         1.49
_diffrn_source                   'fine-focus sealed tube'
_diffrn_source_type              'Bruker KappaCCD'
_exptl_absorpt_coefficient_mu    0.113
_exptl_absorpt_correction_T_max  1.00
_exptl_absorpt_correction_T_min  0.77
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2014/5 - Bruker AXS area detector scaling and absorption correction
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.239
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1104
_exptl_crystal_size_max          0.340
_exptl_crystal_size_mid          0.180
_exptl_crystal_size_min          0.020
_refine_diff_density_max         0.275
_refine_diff_density_min         -0.367
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.989
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     362
_refine_ls_number_reflns         5355
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.989
_refine_ls_R_factor_all          0.1793
_refine_ls_R_factor_gt           0.0752
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0665P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1387
_refine_ls_wR_factor_ref         0.1811
_reflns_number_gt                2650
_reflns_number_total             5355
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ncomms11871-s6.cif
_cod_data_source_block           IV
_cod_depositor_comments
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The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-Scan' changed to
'multi-scan' according to the built-in table from CIF Core dictionary
named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 5376 2017-05-30 11:51:03Z andrius 
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_cod_database_code               1548260
_shelx_res_checksum              53696
_shelx_hkl_checksum              80408