Structural and Spectroscopic Characterization of Tin‒Tin Double Bonds in Cyclic Distannenes
Henning, Jens; Eichele, Klaus; Fink, Reinhold F.; Wesemann, Lars; Organometallics 33 (2014) 3904–; doi:10.1021/om500645b

data_4083970
_publ_section_title
;
 Structural and Spectroscopic Characterization of Tin--Tin Double Bonds in
 Cyclic Distannenes
;
_journal_issue                   14
_journal_name_full               Organometallics
_journal_page_first              3904
_journal_paper_doi               10.1021/om500645b
_journal_volume                  33
_journal_year                    2014
_chemical_formula_sum            'C58 H56 Sn2'
_chemical_formula_weight         990.41
_chemical_name_systematic
; 
 ? 
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 94.366(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.4863(5)
_cell_length_b                   29.3901(10)
_cell_length_c                   11.3016(4)
_cell_measurement_reflns_used    389
_cell_measurement_temperature    100.(2)
_cell_measurement_theta_max      31.0895
_cell_measurement_theta_min      12.6738
_cell_volume                     4797.7(3)
_computing_cell_refinement       'APEX2 v2011.8--0 (Bruker AXS)'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'SAINT V7.68A (Bruker AXS, 2009)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEX-II CCD Duo'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  'Bruker Triump'
_diffrn_radiation_source         microsource
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0326
_diffrn_reflns_av_sigmaI/netI    0.0073
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       38
_diffrn_reflns_limit_k_min       -38
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            180922
_diffrn_reflns_theta_full        27.55
_diffrn_reflns_theta_max         27.55
_diffrn_reflns_theta_min         1.57
_exptl_absorpt_coefficient_mu    1.077
_exptl_absorpt_correction_T_max  1.00
_exptl_absorpt_correction_T_min  0.93
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'SADABS V2008/1 (Bruker AXS)'
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.371
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2016
_exptl_crystal_size_max          0.225
_exptl_crystal_size_mid          0.146
_exptl_crystal_size_min          0.036
_refine_diff_density_max         0.534
_refine_diff_density_min         -0.392
_refine_diff_density_rms         0.060
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.159
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     278
_refine_ls_number_reflns         5555
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.159
_refine_ls_R_factor_all          0.0243
_refine_ls_R_factor_gt           0.0217
_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^)+(0.0216P)^2^+8.7538P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0546
_refine_ls_wR_factor_ref         0.0574
_reflns_number_gt                5217
_reflns_number_total             5555
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om500645b_si_002.cif
_cod_data_source_block           distannene3
_cod_depositor_comments
'Adding full bibliography for 4083969--4083976.cif.'
_cod_database_code               4083970
_computing_bruker_data_scaling   'SADABS V2008/1 (Bruker AXS)'