An Isolable Bis-Silylene Oxide ("Disilylenoxane") and Its Metal Coordination
Wenyuan Wang; Shigeyoshi Inoue; Shenglai Yao; Matthias Driess; Journal of the American Chemical Society 132 (2010) 15890–15892; doi:10.1021/ja106458p

data_4103506
_publ_contact_author_address
;Technische Universitaet Berlin
Institute of Chemistry: Metalorganics and Inorganic Materials 
Sekretariat C2  Strasse des 17. Juni 135
10623 Berlin Germany
;
_publ_contact_author_email       matthias.driess@tu-berlin.de
_publ_contact_author_fax         +49(0)30-314-29732
_publ_contact_author_name        'Matthias Driess'
_publ_contact_author_phone       +49(0)30-314-29731
_publ_section_title
;
 An Isolable Bis-Silylene Oxide ("Disilylenoxane") and Its Metal
 Coordination
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              15890
_journal_page_last               15892
_journal_paper_doi               10.1021/ja106458p
_journal_volume                  132
_journal_year                    2010
_chemical_formula_sum            'C30 H48 Cl2 N4 O Si2'
_chemical_formula_weight         607.80
_chemical_name_systematic
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.31.8 (release 12-01-2007 CrysAlis171 .NET)
(compiled Jan 12 2007,17:49:11)
;
_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                 98.177(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.1593(5)
_cell_length_b                   16.2045(6)
_cell_length_c                   17.1248(7)
_cell_measurement_reflns_used    7791
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      32.4096
_cell_measurement_theta_min      3.3273
_cell_volume                     3339.9(2)
_computing_cell_refinement
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.31.8 (release 12-01-2007 CrysAlis171 .NET)
(compiled Jan 12 2007,17:49:11)
;
_computing_data_collection
;
CrysAlis CCD, Oxford Diffraction Ltd.,
Version 1.171.31.8 (release 12-01-2007 CrysAlis171 .NET)
(compiled Jan 12 2007,17:49:11)
;
_computing_data_reduction
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.31.8 (release 12-01-2007 CrysAlis171 .NET)
(compiled Jan 12 2007,17:49:11)
;
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Oxford Diffraction Xcalibur S Sapphire'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0491
_diffrn_reflns_av_sigmaI/netI    0.0565
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            23741
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         3.35
_exptl_absorpt_coefficient_mu    0.295
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.86688
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.42 (release 29-05-2009 CrysAlis171 .NET)
(compiled May 29 2009,17:40:42)
empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.209
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1304
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.310
_refine_diff_density_min         -0.412
_refine_diff_density_rms         0.045
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.035
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     490
_refine_ls_number_reflns         5865
_refine_ls_number_restraints     172
_refine_ls_restrained_S_all      1.076
_refine_ls_R_factor_all          0.0905
_refine_ls_R_factor_gt           0.0543
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0541P)^2^+1.1442P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1080
_refine_ls_wR_factor_ref         0.1194
_reflns_number_gt                4273
_reflns_number_total             5865
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja106458p_si_002_3.cif
_cod_data_source_block           compound2
_cod_database_code               4103506