Isolation of a Planar 1,2-Dilithio-disilene and Its Conversion to Si−B Hybrid 2π-Electron System and a Planar Tetraboryldisilene
Tian, Miao; Zhang, Jianying; Guo, Lulu; Cui, Chunming; Chemical Science  (2021) –; doi:10.1039/D1SC05125C

data_1565018
_publ_section_title
;
 Isolation of a Planar 1,2-Dilithio-disilene and Its Conversion to
 Si&#x2212;B Hybrid 2\p-Electron System and a Planar Tetraboryldisilene
;
_journal_name_full               'Chemical Science'
_journal_paper_doi               10.1039/D1SC05125C
_journal_year                    2021
_chemical_formula_moiety         'C64 H80 B4 N4 O4 Si2, C6 H14'
_chemical_formula_sum            'C70 H94 B4 N4 O4 Si2'
_chemical_formula_weight         1154.91
_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'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2021-05-12
_audit_creation_method
;
Olex2 1.3
(compiled 2020.06.28 svn.raecde09e for OlexSys, GUI svn.r6132)
;
_audit_update_record
;
2021-08-23 deposited with the CCDC.	2021-10-18 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 93.326(5)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   14.9942(10)
_cell_length_b                   11.7473(8)
_cell_length_c                   19.3646(11)
_cell_measurement_reflns_used    8335
_cell_measurement_temperature    113.15
_cell_measurement_theta_max      31.6690
_cell_measurement_theta_min      1.7910
_cell_volume                     3405.2(4)
_computing_cell_refinement       'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_data_collection       'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_data_reduction        'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      113.15
_diffrn_detector                 'CCD plate'
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.920
_diffrn_measurement_details
;
List of Runs (angles in degrees, time in seconds):

  # Type    Start    End  Width  t~exp~   \w     \q     \k     \f   Frames
  1  \w   -115.00  65.00   1.00    3.00    --  -25.00  45.00   0.00  180
  2  \w   -115.00  35.00   1.00    3.00    --  -25.00  45.00  90.00  150
  3  \w   -115.00   5.00   1.00    3.00    --  -25.00  45.00 180.00  120
;
_diffrn_measurement_device       'abstract diffractometer'
_diffrn_measurement_device_type
'dtrek-CrysAlisPro-abstract goniometer imported rigaku-d*trek images'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      0.0025123000
_diffrn_orient_matrix_UB_12      -0.0541594000
_diffrn_orient_matrix_UB_13      -0.0159927000
_diffrn_orient_matrix_UB_21      0.0253934000
_diffrn_orient_matrix_UB_22      -0.0208589000
_diffrn_orient_matrix_UB_23      0.0293518000
_diffrn_orient_matrix_UB_31      -0.0399429000
_diffrn_orient_matrix_UB_32      -0.0166482000
_diffrn_orient_matrix_UB_33      0.0151090000
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1269
_diffrn_reflns_av_unetI/netI     0.1667
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.920
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            42006
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.920
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         32.910
_diffrn_reflns_theta_min         2.029
_diffrn_source                   'fine-focus sealed X-ray tube'
_diffrn_source_type              'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.101
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.34808
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.46 (Rigaku Oxford Diffraction, 2018)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.126
_exptl_crystal_description       block
_exptl_crystal_F_000             1244
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.403
_refine_diff_density_min         -0.341
_refine_diff_density_rms         0.071
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.011
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     388
_refine_ls_number_reflns         11735
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.011
_refine_ls_R_factor_all          0.1968
_refine_ls_R_factor_gt           0.0824
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0517P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1378
_refine_ls_wR_factor_ref         0.1858
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5269
_reflns_number_total             11735
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1sc05125c2.cif
_cod_data_source_block           r20210510e
_cod_database_code               1565018
_shelx_shelxl_version_number     2018/3
_chemical_oxdiff_formula         'C11 H10 N O'
_shelx_estimated_absorpt_t_max   0.980
_shelx_estimated_absorpt_t_min   0.980
_reflns_odcompleteness_completeness 99.96
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     26.32
_olex2_refinement_description
;
;
_shelx_res_checksum              3952
_olex2_submission_special_instructions 'No special instructions were received'
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
- Detector area scaling
;
_oxdiff_exptl_absorpt_empirical_full_max 2.558
_oxdiff_exptl_absorpt_empirical_full_min 0.674