(η(4)-Butadiene)Sn(0) Complexes: A New Approach for Zero-Valent p-Block Elements Utilizing a Butadiene as a 4π-Electron Donor.
Kuwabara, Takuya; Nakada, Marisa; Hamada, Jumpei; Guo, Jing Dong; Nagase, Shigeru; Saito, Masaichi; Journal of the American Chemical Society 138 (2016) 11378–11382; doi:10.1021/jacs.6b07304

data_4130835
_publ_section_title
;
 (\h(4)-Butadiene)Sn(0) Complexes: A New Approach for Zero-Valent p-Block
 Elements Utilizing a Butadiene as a 4\p-Electron Donor.
;
_journal_issue                   35
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              11378
_journal_page_last               11382
_journal_paper_doi               10.1021/jacs.6b07304
_journal_volume                  138
_journal_year                    2016
_chemical_formula_moiety         'C33 H45 Cl Hf Si2 Sn, C7 H8'
_chemical_formula_sum            'C40 H53 Cl Hf Si2 Sn'
_chemical_formula_weight         922.65
_space_group_crystal_system      orthorhombic
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_space_group_name_Hall           '-P 2ac 2n'
_space_group_name_H-M_alt        'P n m a'
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_cell_volume                     3898.6(4)
_computing_cell_refinement       'Bruker SMART'
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_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
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_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.999
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_diffrn_reflns_limit_k_min       -19
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_diffrn_reflns_limit_l_min       -9
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_diffrn_reflns_point_group_measured_fraction_full 1.000
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_diffrn_reflns_theta_max         27.894
_diffrn_reflns_theta_min         1.839
_exptl_absorpt_coefficient_mu    3.474
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_exptl_crystal_colour            orange
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_exptl_crystal_size_max          0.08
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_refine_ls_number_parameters     214
_refine_ls_number_reflns         4829
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.099
_refine_ls_R_factor_all          0.0483
_refine_ls_R_factor_gt           0.0387
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0368P)^2^+0.3915P] where P=(Fo^2^+2Fc^2^)/3'
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_reflns_threshold_expression     'I > 2\s(I)'
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