Redox non-innocent bis-silylene aluminium complexes with a carborane backbone
Saddington, Artemis; Yao, Shenglai; Lorent, Christian; Driess, Matthias; Chemical Science 16 (2025) 6383–6391; doi:10.1039/D5SC01104C

data_1574073
_publ_section_title
;
 Redox non-innocent bis-silylene aluminium complexes with a carborane
 backbone
;
_journal_issue                   15
_journal_name_full               'Chemical Science'
_journal_page_first              6383
_journal_page_last               6391
_journal_paper_doi               10.1039/D5SC01104C
_journal_volume                  16
_journal_year                    2025
_chemical_formula_sum            'C32 H56 B10 Ga I2 N4 Si2'
_chemical_formula_weight         984.60
_space_group_crystal_system      orthorhombic
_space_group_IT_number           63
_space_group_name_Hall           '-C 2c 2'
_space_group_name_H-M_alt        'C m c m'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           'CrysAlisPro 1.171.40.67a (Rigaku OD, 2019)'
_audit_update_record
;
2025-01-20 deposited with the CCDC.	2025-03-07 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   23.2436(3)
_cell_length_b                   18.9817(3)
_cell_length_c                   13.9956(2)
_cell_measurement_reflns_used    6314
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      72.5210
_cell_measurement_theta_min      2.9860
_cell_volume                     6174.90(15)
_computing_cell_refinement       'CrysAlisPro 1.171.40.67a (Rigaku OD, 2019)'
_computing_data_collection       'CrysAlisPro 1.171.40.67a (Rigaku OD, 2019)'
_computing_data_reduction        'CrysAlisPro 1.171.40.67a (Rigaku OD, 2019)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.983
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Single source at offset/far, Atlas'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0321
_diffrn_reflns_av_unetI/netI     0.0253
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.983
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            12678
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.983
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.109
_diffrn_reflns_theta_min         1.752
_exptl_absorpt_coefficient_mu    1.505
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.29306
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.40.67a (Rigaku Oxford Diffraction, 2019)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.059
_exptl_crystal_description       block
_exptl_crystal_F_000             1964
_exptl_crystal_size_max          0.210
_exptl_crystal_size_mid          0.140
_exptl_crystal_size_min          0.090
_refine_diff_density_max         0.469
_refine_diff_density_min         -1.359
_refine_diff_density_rms         0.091
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.065
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     140
_refine_ls_number_reflns         3236
_refine_ls_number_restraints     13
_refine_ls_restrained_S_all      1.065
_refine_ls_R_factor_all          0.0418
_refine_ls_R_factor_gt           0.0380
_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^)+(0.0598P)^2^+11.5113P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1049
_refine_ls_wR_factor_ref         0.1084
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2925
_reflns_number_total             3236
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5sc01104c2.cif
_cod_data_source_block           4b
_cod_depositor_comments
'Adding full bibliography for 1574073--1574078.cif.'
_cod_database_code               1574073
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.743
_shelx_estimated_absorpt_t_max   0.876
_shelx_res_checksum              79273
_shelx_fab_checksum              30877
_platon_squeeze_void_probe_radius 1.20