Reactions of a Highly Crowded Triorganotin Iodide with Silver Salts. Migration of a Methyl Group from Silicon to Tin within a Cation
Asadi, Ashrafolmolouk; Avent, Anthony G.; Eaborn, Colin; Hill, Michael S.; Hitchcock, Peter B.; Meehan, Margaret M.; Smith, J. David; Organometallics 21 (2002) 2183–; doi:10.1021/om011079z

data_4076758
_publ_section_title
;
 Reactions of a Highly Crowded Triorganotin Iodide with Silver Salts.
 Migration of a Methyl Group from Silicon to Tin within a Cation
;
_journal_issue                   11
_journal_name_full               Organometallics
_journal_page_first              2183
_journal_paper_doi               10.1021/om011079z
_journal_volume                  21
_journal_year                    2002
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C27 H59 F4 Si6 Sn1'
_chemical_formula_structural     'C27 H59 F4 Si6 Sn'
_chemical_formula_sum            'C27 H59 F4 Si6 Sn'
_chemical_formula_weight         746.97
_chemical_name_common
;
[SnF(CH2C6H5){(C(SiMe3)2SiMe2CH2CH2SiMe2C(SiMe3)2}]
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_conform_dict_location     ftp://ftp.iucr.org/cifdics/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.1
_audit_creation_date             2000-09-18T16:14:06-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                91.816(2)
_cell_angle_beta                 94.810(3)
_cell_angle_gamma                94.102(2)
_cell_formula_units_Z            4
_cell_length_a                   9.3336(3)
_cell_length_b                   19.3177(9)
_cell_length_c                   20.2094(9)
_cell_measurement_reflns_used    12834
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      25.028
_cell_measurement_theta_min      3.705
_cell_measurement_wavelength     0.71073
_cell_volume                     3619.1(3)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_reduction
'HKL Denzo and Scalepack (Otwinowski & Minor 1997)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.99
_diffrn_measured_fraction_theta_max 0.99
_diffrn_measurement_device       KappaCCD
_diffrn_measurement_method       CCD
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0659
_diffrn_reflns_av_unetI/netI     0.0988
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            25413
_diffrn_reflns_theta_full        25.06
_diffrn_reflns_theta_max         25.06
_diffrn_reflns_theta_min         3.72
_exptl_absorpt_coefficient_mu    0.942
_exptl_absorpt_correction_T_max  0.965
_exptl_absorpt_correction_T_min  0.913
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
        [c.f. r.h. blessing, acta cryst. (1995), a51, 33-38]
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.371
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1564
_exptl_crystal_size_max          0.1
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.63
_refine_diff_density_min         -0.797
_refine_diff_density_rms         0.112
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.022
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     644
_refine_ls_number_reflns         12716
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.022
_refine_ls_R_factor_all          0.0853
_refine_ls_R_factor_gt           0.0503
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0223P)^2^+3.9418P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.096
_refine_ls_wR_factor_ref         0.1087
_reflns_number_gt                9023
_reflns_number_total             12716
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om011079z.cif
_cod_data_source_block           jds-3a
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4076758