A Cyclic Disilylated Stannylene: Synthesis, Dimerization, and Adduct Formation
Henning Arp; Judith Baumgartner; Christoph Marschner; Thomas Müller; Journal of the American Chemical Society 133 (2011) 5632–5635; doi:10.1021/ja1100883

data_4105946
_publ_section_title
;
 A Cyclic Disilylated Stannylene: Synthesis, Dimerization, and Adduct
 Formation
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              5632
_journal_page_last               5635
_journal_paper_doi               10.1021/ja1100883
_journal_volume                  133
_journal_year                    2011
_chemical_formula_sum            'C34 H48 B F15 Si8 Sn'
_chemical_formula_weight         1095.94
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           60
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2n 2ab'
_symmetry_space_group_name_H-M   'P b c n'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   21.316(4)
_cell_length_b                   25.165(5)
_cell_length_c                   19.732(4)
_cell_measurement_reflns_used    8550
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      52.530
_cell_measurement_theta_min      4.543
_cell_volume                     10585(4)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'SMART APEX'
_diffrn_measurement_method       '\w scans'
_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  0.0995
_diffrn_reflns_av_sigmaI/netI    0.0850
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -30
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            50224
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         1.62
_exptl_absorpt_coefficient_mu    0.740
_exptl_absorpt_correction_T_max  0.9297
_exptl_absorpt_correction_T_min  0.7817
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.375
_exptl_crystal_description       blocks
_exptl_crystal_F_000             4432
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.240
_refine_diff_density_min         -0.852
_refine_diff_density_rms         0.111
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.000
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     548
_refine_ls_number_reflns         10745
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.000
_refine_ls_R_factor_all          0.0947
_refine_ls_R_factor_gt           0.0656
_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^)+(0.0523P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1124
_refine_ls_wR_factor_ref         0.1211
_reflns_number_gt                7489
_reflns_number_total             10745
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja1100883_si_001_4.cif
_cod_data_source_block           11_743j
_cod_database_code               4105946