Disilene-Silylene Interconversion: A Synthetically Accessible Acyclic Bis(silyl)silylene.
Reiter, Dominik; Holzner, Richard; Porzelt, Amelie; Altmann, Philipp J.; Frisch, Philipp; Inoue, Shigeyoshi; Journal of the American Chemical Society 141 (2019) 13536–13546; doi:10.1021/jacs.9b05318

data_4133684
_publ_section_title
;
 Disilene-Silylene Interconversion: A Synthetically Accessible Acyclic
 Bis(silyl)silylene.
;
_journal_issue                   34
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              13536
_journal_page_last               13546
_journal_paper_doi               10.1021/jacs.9b05318
_journal_volume                  141
_journal_year                    2019
_chemical_compound_source        'see text'
_chemical_formula_moiety         'C28 H64 N2 Si6, C4 H8 O'
_chemical_formula_sum            'C32 H72 N2 O Si6'
_chemical_formula_weight         669.46
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_cell_angle_alpha                94.596(6)
_cell_angle_beta                 105.116(5)
_cell_angle_gamma                110.563(5)
_cell_formula_units_Z            2
_cell_length_a                   11.8830(19)
_cell_length_b                   12.9036(19)
_cell_length_c                   15.496(3)
_cell_measurement_reflns_used    9091
_cell_measurement_temperature    100
_cell_measurement_theta_max      30.9686
_cell_measurement_theta_min      2.3018
_cell_volume                     2108.6(6)
_computing_cell_refinement       'SAINT (Bruker, 2017)'
_computing_data_collection       'APEX III Control Software (Bruker, 2016)'
_computing_data_reduction        'SAINT (Bruker, 2017)'
_computing_molecular_graphics    'PLATON (Spek, 2011)'
_computing_publication_material  'PLATON (Spek, 2011), enCIFer (Allen, 2014)'
_computing_structure_refinement
'SHELXL2014 (Sheldrick, 2014), SHELXLE (Huebschle, 2011)'
_computing_structure_solution    'SHELXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      100
_diffrn_detector                 ' CMOS plate '
_diffrn_detector_area_resol_mean 16
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device       ' \k-geometry diffractometer '
_diffrn_measurement_device_type  ' Bruker Photon CMOS '
_diffrn_measurement_method       ' phi- and omega-rotation '
_diffrn_radiation_monochromator  'Helios optic'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_source         'TXS rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0755
_diffrn_reflns_av_unetI/netI     0.0337
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            82436
_diffrn_reflns_reduction_process
;
;
_diffrn_reflns_theta_full        25.24
_diffrn_reflns_theta_max         25.66
_diffrn_reflns_theta_min         2.30
_exptl_absorpt_coefficient_mu    0.222
_exptl_absorpt_correction_T_max  0.7257
_exptl_absorpt_correction_T_min  0.6525
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS 2014/5, Bruker, 2014'
_exptl_crystal_colour            'clear orange-red'
_exptl_crystal_density_diffrn    1.054
_exptl_crystal_density_method    'Not Measured'
_exptl_crystal_description       fragment
_exptl_crystal_F_000             740
_exptl_crystal_size_max          0.306
_exptl_crystal_size_mid          0.261
_exptl_crystal_size_min          0.188
_refine_diff_density_max         0.335
_refine_diff_density_min         -0.380
_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.038
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     436
_refine_ls_number_reflns         7972
_refine_ls_number_restraints     180
_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.0407
_refine_ls_R_factor_gt           0.0358
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'W=1/[\S^2^(FO^2^)+(0.0391P)^2^+1.4350P] WHERE P=(FO^2^+2FC^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0920
_refine_ls_wR_factor_ref         0.0950
_reflns_number_gt                7075
_reflns_number_total             7972
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ja9b05318_si_002.cif
_cod_data_source_block           compound_14
_cod_database_code               4133684
_shelx_res_checksum              72184
_shelx_hkl_checksum              47147