Bis-Silicon-Bridged Stilbene Homologues Synthesized by New Intramolecular Reductive Double Cyclization
Shigehiro Yamaguchi; Caihong Xu; Kohei Tamao; Journal of the American Chemical Society 125 (2003) 13662–13663; doi:10.1021/ja038487+

data_4114346
_publ_contact_author_address
;
    Department of Chemistry, Graduate School of Science, Nagoya University
    Furo, Chikusa, Nagoya 464-8602, Japan
;
_publ_contact_author_email       yamaguchi@mbox.chem.nagoya-u.ac.jp
_publ_contact_author_fax         +81-52-789-5947
_publ_contact_author_name        'Shigehiro Yamaguchi'
_publ_contact_author_phone       +81-52-789-2291
_publ_section_title
;
 Bis-Silicon-Bridged Stilbene Homologues Synthesized by New Intramolecular
 Reductive Double Cyclization
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              13662
_journal_page_last               13663
_journal_paper_doi               10.1021/ja038487+
_journal_volume                  125
_journal_year                    2003
_chemical_formula_sum            'C48 H52 Si4'
_chemical_formula_weight         741.28
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2yab'
_symmetry_space_group_name_H-M   'P 1 21/a 1'
_audit_creation_date             'Mon Jul 28 19:47:13 2003'
_audit_creation_method           'from TEXRAY.INF file'
_cell_angle_alpha                90
_cell_angle_beta                 92.723(3)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   8.1904(3)
_cell_length_b                   28.139(1)
_cell_length_c                   9.1960(4)
_cell_measurement_reflns_used    0
_cell_measurement_temperature    173.2
_cell_measurement_theta_max      0.0
_cell_measurement_theta_min      0.0
_cell_volume                     2117.01(14)
_computing_cell_refinement       'MSC/AFC Diffractometer Control'
_computing_data_collection       'MSC/AFC Diffractometer Control'
_computing_data_reduction        teXsan
_computing_publication_material  teXsan
_computing_structure_refinement  teXsan
_diffrn_ambient_temperature      173.2
_diffrn_detector_area_resol_mean 0.010000
_diffrn_measurement_device_type  'Rigaku RAXIS-IV'
_diffrn_radiation_detector       'Imaging Plate'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Rigaku rotating anode'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.7107
_diffrn_reflns_av_R_equivalents  0.000
_diffrn_reflns_av_sigmaI/netI    0.025
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       36
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            4119
_diffrn_reflns_reduction_process 'Lp corrections applied'
_diffrn_reflns_theta_max         0.00
_diffrn_reflns_theta_min         0.00
_exptl_absorpt_coefficient_mu    0.172
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.163
_exptl_crystal_description       plate
_exptl_crystal_F_000             792.00
_exptl_crystal_size_max          0.300
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.100
_refine_diff_density_max         0.37
_refine_diff_density_min         -0.42
_refine_ls_extinction_coef       0.062(7)
_refine_ls_extinction_method     'Zachariasen(1967) type 2 gaussian isotropic'
_refine_ls_goodness_of_fit_ref   1.223
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_constraints    0
_refine_ls_number_parameters     236
_refine_ls_number_reflns         3321
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0481
_refine_ls_R_factor_gt           0.0481
_refine_ls_shift/su_max          0.0000
_refine_ls_shift/su_mean         0.0000
_refine_ls_structure_factor_coef F
_refine_ls_weighting_details     'w = 1/[\s^2^(Fo) + 0.00250|Fo|^2^]'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0701
_refine_ls_wR_factor_ref         0.0701
_reflns_number_gt                3321
_reflns_number_total             4119
_reflns_threshold_expression     >2.0sigma(I)
_cod_data_source_file            ja0384872Bsi20030912_090428.cif
_cod_data_source_block           compound9
_cod_original_cell_volume        2117.0(1)
_cod_original_sg_symbol_H-M      'P 21/a '
_cod_original_formula_sum        'C48 H52 Si4 '
_cod_database_code               4114346