An Isolable Tetrasilicon Analogue of a Planar Bicyclo[1.1.0]butane with π-Type Single-Bonding Character.
Nukazawa, Takumi; Iwamoto, Takeaki; Journal of the American Chemical Society 142 (2020) 9920–9924; doi:10.1021/jacs.0c03874

data_4135017
_publ_section_title
;
 An Isolable Tetrasilicon Analogue of a Planar Bicyclo[1.1.0]butane with
 \p-Type Single-Bonding Character.
;
_journal_issue                   22
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              9920
_journal_page_last               9924
_journal_paper_doi               10.1021/jacs.0c03874
_journal_volume                  142
_journal_year                    2020
_chemical_formula_moiety         'C32 H80 I2 Si12'
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_exptl_absorpt_process_details   'SADABS Sheldrick 1996'
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_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0190P)^2^+1.3860P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_reflns_threshold_expression     'I > 2\s(I)'
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_cod_data_source_block           compound_2p_CCDC-1992431
_cod_depositor_comments
;Adding full bibliography for 4135017--4135018.cif.

 Adding full bibliography for 4135017--4135018.cif.
;
_cod_original_sg_symbol_H-M      'P 21/n'
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_shelx_hkl_checksum              18148