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_4083976
_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_moiety         'C67 H72 O Sn2'
_chemical_formula_sum            'C67 H72 O Sn2'
_chemical_formula_weight         1130.63
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           9
_space_group_name_Hall           'C -2yc'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 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                 95.75(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   18.324(4)
_cell_length_b                   12.852(3)
_cell_length_c                   24.197(5)
_cell_measurement_reflns_used    58769
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      59.11
_cell_measurement_theta_min      5.29
_cell_volume                     5670(2)
_computing_cell_refinement       x-Area
_computing_data_collection       x-Area
_computing_data_reduction        x-Area
_computing_molecular_graphics    'ortep for windows'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Stoe IPDS2'
_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  0.0514
_diffrn_reflns_av_sigmaI/netI    0.0324
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            57153
_diffrn_reflns_theta_full        27.10
_diffrn_reflns_theta_max         27.10
_diffrn_reflns_theta_min         2.65
_exptl_absorpt_coefficient_mu    0.922
_exptl_absorpt_correction_T_max  0.9718
_exptl_absorpt_correction_T_min  0.8021
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'x-red, x-shape'
_exptl_crystal_colour            purple
_exptl_crystal_density_diffrn    1.325
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             2328
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.449
_refine_diff_density_min         -0.784
_refine_diff_density_rms         0.064
_refine_ls_abs_structure_details
'Flack H D (1983), Acta Cryst. A39, 876-881, 6249 Friedel Pairs'
_refine_ls_abs_structure_Flack   0.452(12)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.058
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     644
_refine_ls_number_reflns         12510
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.058
_refine_ls_R_factor_all          0.0305
_refine_ls_R_factor_gt           0.0275
_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^)+(0.0204P)^2^+4.9956P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0530
_refine_ls_wR_factor_ref         0.0537
_reflns_number_gt                11940
_reflns_number_total             12510
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om500645b_si_002.cif
_cod_data_source_block           stannylstannylene8
_cod_depositor_comments
'Adding full bibliography for 4083969--4083976.cif.'
_cod_original_cell_volume        5669(2)
_cod_original_sg_symbol_H-M      'C c'
_cod_database_code               4083976