Experimental and Computational Insights into the Stabilization of Low-Valent Main Group Elements Using Crown Ethers and Related Ligands
Charles L. B. Macdonald; Rajoshree Bandyopadhyay; Benjamin F. T. Cooper; Warren W. Friedl; Aaron J. Rossini; Robert W. Schurko; S. Holger Eichhorn; Rolfe H. Herber; Journal of the American Chemical Society 134 (2012) 4332–4345; doi:10.1021/ja211135s

data_4117581
_publ_section_title
;
 Experimental and Computational Insights into the Stabilization of
 Low-Valent Main Group Elements Using Crown Ethers and Related Ligands
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              4332
_journal_page_last               4345
_journal_paper_doi               10.1021/ja211135s
_journal_volume                  134
_journal_year                    2012
_chemical_formula_moiety         'C12 H22 F6 O11 S2 Sn'
_chemical_formula_sum            'C12 H22 F6 O11 S2 Sn'
_chemical_formula_weight         639.11
_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                 109.332(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.1583(19)
_cell_length_b                   10.1383(14)
_cell_length_c                   17.040(2)
_cell_measurement_reflns_used    5633
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      28.04
_cell_measurement_theta_min      2.52
_cell_volume                     2308.0(5)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.974
_diffrn_measured_fraction_theta_max 0.974
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \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  0.0669
_diffrn_reflns_av_sigmaI/netI    0.0636
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            23717
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.52
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.385
_exptl_absorpt_correction_T_max  0.661
_exptl_absorpt_correction_T_min  0.563
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS; Bruker, 2008'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.839
_exptl_crystal_description       block
_exptl_crystal_F_000             1272
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.30
_refine_diff_density_max         1.586
_refine_diff_density_min         -1.005
_refine_diff_density_rms         0.144
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.198
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     291
_refine_ls_number_reflns         5166
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.198
_refine_ls_R_factor_all          0.0987
_refine_ls_R_factor_gt           0.0700
_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^)+(0.0299P)^2^+11.3281P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1220
_refine_ls_wR_factor_ref         0.1325
_reflns_number_gt                3903
_reflns_number_total             5166
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            ja211135s_si_002.cif
_cod_data_source_block           p21c
_cod_database_code               4117581