Dynamic Behavior and Isomerization Equilibria of Distannenes Synthesized by Tin Hydride/Olefin Insertions: Characterization of the Elusive Monohydrido Bridged Isomer.
Wang, Shuai; McCrea-Hendrick, Madison L; Weinstein, Cory M.; Caputo, Christine A.; Hoppe, Elke; Fettinger, James C.; Olmstead, Marilyn M.; Power, Philip P.; Journal of the American Chemical Society 139 (2017) 6586–6595; doi:10.1021/jacs.7b02269

data_4131267
_publ_section_title
;
 Dynamic Behavior and Isomerization Equilibria of Distannenes Synthesized
 by Tin Hydride/Olefin Insertions: Characterization of the Elusive
 Monohydrido Bridged Isomer.
;
_journal_issue                   19
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              6586
_journal_page_last               6595
_journal_paper_doi               10.1021/jacs.7b02269
_journal_volume                  139
_journal_year                    2017
_chemical_formula_moiety         'C62 H80 Sn2, C7 H8'
_chemical_formula_sum            'C69 H88 Sn2'
_chemical_formula_weight         1154.77
_chemical_name_common
Sn(C6H3-2,6(2,6-i-Pr2C6H3)2)(CH3)2Sn(C6H3-2,6(2,6-i-Pr2C6H3)2)(CH3).toluene
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2016/6
_cell_angle_alpha                90
_cell_angle_beta                 95.711(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   16.9165(10)
_cell_length_b                   14.5926(8)
_cell_length_c                   24.5953(13)
_cell_measurement_reflns_used    9517
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.51
_cell_measurement_theta_min      2.40
_cell_volume                     6041.4(6)
_computing_cell_refinement       'SAINT (Bruker, 2013)'
_computing_data_collection       'Apex3 (Bruker, 2016)'
_computing_data_reduction        'SAINT (Bruker, 2013)'
_computing_publication_material  'SHELXL-2016/6 (Sheldrick, 2016)'
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_computing_structure_solution    'SHELXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 10.47
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker Kappa DUO'
_diffrn_measurement_method       '\f and \w'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0354
_diffrn_reflns_av_unetI/netI     0.0166
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            150117
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.539
_diffrn_reflns_theta_min         2.404
_diffrn_source                   microsource
_exptl_absorpt_coefficient_mu    0.865
_exptl_absorpt_correction_T_max  0.746
_exptl_absorpt_correction_T_min  0.714
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2015)'
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.270
_exptl_crystal_description       block
_exptl_crystal_F_000             2408
_exptl_crystal_size_max          0.352
_exptl_crystal_size_mid          0.250
_exptl_crystal_size_min          0.124
_refine_diff_density_max         5.267
_refine_diff_density_min         -1.367
_refine_diff_density_rms         0.095
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.020
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     659
_refine_ls_number_reflns         13874
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.020
_refine_ls_R_factor_all          0.0445
_refine_ls_R_factor_gt           0.0373
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0419P)^2^+17.8844P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0912
_refine_ls_wR_factor_ref         0.0960
_reflns_Friedel_coverage         0.000
_reflns_number_gt                12105
_reflns_number_total             13874
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja7b02269_si_002.cif
_cod_data_source_block           vw115
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4131267
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_min   0.750
_shelx_estimated_absorpt_t_max   0.900
_shelx_res_checksum              20578
_shelx_hkl_checksum              70550