Stereochemistry of Disilanylene-Containing Cyclic Compounds. Palladium-Catalyzed Reactions ofcis- andtrans-3,4-Benzo-1,2-diisopropyl-1,2-dimethyl-1,2-disilacyclobut-3-ene with Ethylene
Naka, Akinobu; Ohshita, Joji; Miyazaki, Eigo; Miura, Toshiko; Kobayashi, Hisayoshi; Ishikawa, Mitsuo; Organometallics 31 (2012) 3492–; doi:10.1021/om201061x

data_4078197
_publ_section_title
;
 Stereochemistry of Disilanylene-Containing Cyclic Compounds.
 Palladium-Catalyzed Reactions ofcis-
 andtrans-3,4-Benzo-1,2-diisopropyl-1,2-dimethyl-1,2-disilacyclobut-3-ene
 with Ethylene
;
_journal_issue                   9
_journal_name_full               Organometallics
_journal_page_first              3492
_journal_paper_doi               10.1021/om201061x
_journal_volume                  31
_journal_year                    2012
_chemical_formula_moiety         'C30 H52 Si4 '
_chemical_formula_sum            'C30 H52 Si4'
_chemical_formula_weight         525.08
_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'
_cell_angle_alpha                90
_cell_angle_beta                 102.145(1)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   13.2772(9)
_cell_length_b                   13.7910(8)
_cell_length_c                   18.256(1)
_cell_measurement_reflns_used    21979
_cell_measurement_temperature    150.1
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      1.1
_cell_volume                     3268.0(3)
_computing_cell_refinement       PROCESS-AUTO
_computing_data_collection       PROCESS-AUTO
_computing_data_reduction        CrystalStructure
_computing_publication_material  'CrystalStructure Ver. 3.10'
_computing_structure_refinement  CRYSTALS
_computing_structure_solution    SIR92
_diffrn_ambient_temperature      150
_diffrn_detector_area_resol_mean 10.00
_diffrn_measured_fraction_theta_full 0.8769
_diffrn_measured_fraction_theta_max 0.8769
_diffrn_measurement_device_type  'Rigaku RAXIS-RAPID'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.7107
_diffrn_reflns_av_R_equivalents  0.122
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            12988
_diffrn_reflns_theta_full        27.46
_diffrn_reflns_theta_max         27.46
_exptl_absorpt_coefficient_mu    0.198
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.980
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
    Higashi, T. (1995). Program for Absorption Correction.
    Rigaku Corporation, Tokyo, Japan.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.067
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1152.00
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.69
_refine_diff_density_min         -0.46
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   3.165
_refine_ls_hydrogen_treatment    refall
_refine_ls_number_parameters     359
_refine_ls_number_reflns         3445
_refine_ls_R_factor_gt           0.1020
_refine_ls_shift/su_max          0.0470
_refine_ls_structure_factor_coef F
_refine_ls_weighting_details     'w = 1.0'
_refine_ls_weighting_scheme      unit
_refine_ls_wR_factor_ref         0.1160
_reflns_number_gt                3445
_reflns_number_total             6641
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            om201061x_si_001.cif
_cod_data_source_block           Ishikawa021225
_cod_original_cell_volume        3268.0(4)
_cod_original_formula_sum        'C30 H52 Si4 '
_cod_database_code               4078197