Reactions of an Isolable Dialkylsilylene with Ketones†
Ishida, Shintaro; Iwamoto, Takeaki; Kira, Mitsuo; Organometallics 29 (2010) 5526–; doi:10.1021/om1004644

data_4066447
_publ_section_title
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 Reactions of an Isolable Dialkylsilylene with Ketones&#x2020;
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_journal_issue                   21
_journal_name_full               Organometallics
_journal_page_first              5526
_journal_paper_doi               10.1021/om1004644
_journal_volume                  29
_journal_year                    2010
_chemical_formula_sum            'C29 H50 O Si5'
_chemical_formula_weight         555.14
_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                 112.669(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.796(5)
_cell_length_b                   9.411(2)
_cell_length_c                   20.505(7)
_cell_measurement_reflns_used    9935
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      28.3
_cell_measurement_theta_min      3.1
_cell_volume                     3168.8(16)
_computing_cell_refinement       'CrystalClear (Rigaku Corp., 2000)'
_computing_data_collection       'CrystalClear (Rigaku Corp., 2000)'
_computing_data_reduction        'CrystalClear (Rigaku Corp., 2000)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71070
_diffrn_reflns_av_R_equivalents  0.0235
_diffrn_reflns_av_sigmaI/netI    0.0227
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            20140
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         3.05
_exptl_absorpt_coefficient_mu    0.246
_exptl_absorpt_correction_T_max  0.9299
_exptl_absorpt_correction_T_min  0.9299
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   multi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.164
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1208
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.291
_refine_diff_density_min         -0.283
_refine_diff_density_rms         0.044
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.105
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     328
_refine_ls_number_reflns         5509
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.105
_refine_ls_R_factor_all          0.0450
_refine_ls_R_factor_gt           0.0391
_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^)+(0.0383P)^2^+2.3331P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0876
_refine_ls_wR_factor_ref         0.0900
_reflns_number_gt                5139
_reflns_number_total             5509
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om1004644_si_002.cif
_cod_data_source_block           si10_(compound_16)
_cod_depositor_comments
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The following automatic conversions were performed:
'_atom_site_symetry_multiplicity' tag replaced with
'_atom_site_symmetry_multiplicity'.

Automatic conversion script
Id: cif_correct_tags 1440 2010-10-19 06:21:57Z saulius 
;
_cod_original_cell_volume        3168.9(16)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4066447