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_4105944
_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            'C48 H106 K N O6 Si10 Sn'
_chemical_formula_weight         1232.03
_chemical_name_systematic
; 
 ? 
;
_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                 94.39(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.615(3)
_cell_length_b                   25.832(5)
_cell_length_c                   24.001(5)
_cell_measurement_reflns_used    2388
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      39.568
_cell_measurement_theta_min      4.496
_cell_volume                     7798(3)
_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      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.2069
_diffrn_reflns_av_sigmaI/netI    0.2110
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       30
_diffrn_reflns_limit_k_min       -29
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            55219
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.58
_exptl_absorpt_coefficient_mu    0.569
_exptl_absorpt_correction_T_max  0.9045
_exptl_absorpt_correction_T_min  0.8389
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.049
_exptl_crystal_description       blocks
_exptl_crystal_F_000             2632
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.18
_refine_diff_density_max         2.040
_refine_diff_density_min         -3.180
_refine_diff_density_rms         0.208
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.065
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     508
_refine_ls_number_reflns         13706
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.065
_refine_ls_R_factor_all          0.2316
_refine_ls_R_factor_gt           0.1566
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1634P)^2^+121.3065P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.3458
_refine_ls_wR_factor_ref         0.3889
_reflns_number_gt                8033
_reflns_number_total             13706
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja1100883_si_001_2.cif
_cod_data_source_block           9_734j
_cod_database_code               4105944