Syntheses of Trisila Analogues of Allyl Chlorides and Their Transformations to Chlorocyclotrisilanes, Cyclotrisilanides, and a Trisilaindane
Kai Abersfelder; David Scheschkewitz; Journal of the American Chemical Society 130 (2008) 4114–4121; doi:10.1021/ja711169w

data_4107595
_publ_contact_author_address
;
Dr. David Scheschkewitz
Institute for Inorganic Chemistry
Julius-Maximilians-University
Am Hubland
97074 W\"urzburg
GERMANY
;
_publ_contact_author_email       scheschkewitz@mail.uni-wuerzburg.de
_publ_contact_author_fax         +49-931-888-4623
_publ_contact_author_name        'Dr. David Scheschkewitz'
_publ_contact_author_phone       +49-931-888-4788
_publ_section_title
;
 Syntheses of Trisila Analogues of Allyl Chlorides and Their
 Transformations to Chlorocyclotrisilanes, Cyclotrisilanides, and a
 Trisilaindane
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              4114
_journal_page_last               4121
_journal_paper_doi               10.1021/ja711169w
_journal_volume                  130
_journal_year                    2008
_chemical_formula_moiety         '4(C57 H79 Cl Si3), 0.5(C5 H12), 0.5(C5 H12)'
_chemical_formula_sum            'C233 H328 Cl4 Si12'
_chemical_formula_weight         3607.83
_chemical_melting_point          134
_chemical_name_common            Chlorodiphenylsilyldisilene
_chemical_name_systematic
; 
 1-Chloro(diphenyl)silyl-1,2,2-tris(2',4',6'-triisopropylphenyl)disilene
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 99.2870(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   31.0675(8)
_cell_length_b                   18.4074(5)
_cell_length_c                   39.2606(9)
_cell_measurement_temperature    98(2)
_cell_volume                     22157.7(10)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Ortep 3'
_computing_publication_material  'POV Ray'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      98(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0529
_diffrn_reflns_av_sigmaI/netI    0.0349
_diffrn_reflns_limit_h_max       36
_diffrn_reflns_limit_h_min       -36
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       46
_diffrn_reflns_limit_l_min       -46
_diffrn_reflns_number            427594
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         1.53
_exptl_absorpt_coefficient_mu    0.168
_exptl_absorpt_correction_T_max  0.9674
_exptl_absorpt_correction_T_min  0.9121
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.082
_exptl_crystal_description       block
_exptl_crystal_F_000             7848
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.856
_refine_diff_density_min         -0.653
_refine_diff_density_rms         0.064
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.054
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     2389
_refine_ls_number_reflns         39112
_refine_ls_number_restraints     116
_refine_ls_restrained_S_all      1.053
_refine_ls_R_factor_all          0.0720
_refine_ls_R_factor_gt           0.0508
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0547P)^2^+29.6808P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1226
_refine_ls_wR_factor_ref         0.1376
_reflns_number_gt                30237
_reflns_number_total             39112
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja711169w-file003.cif
_cod_data_source_block           4b_Ph2ClSilyldisilene
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4107595