Dearomative cycloadditions of a silylene with pyrazine and quinoxaline.
Ishida, Shintaro; Tamura, Tomofumi; Iwamoto, Takeaki; Dalton transactions (Cambridge, England : 2003) 47 (2018) 11317–11321; doi:10.1039/c8dt02802h

data_7047196
_publ_section_title
;
 Dearomative cycloadditions of a silylene with pyrazine and quinoxaline.
;
_journal_issue                   33
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              11317
_journal_page_last               11321
_journal_paper_doi               10.1039/c8dt02802h
_journal_volume                  47
_journal_year                    2018
_chemical_absolute_configuration unk
_chemical_formula_sum            'C36 H84 N2 Si10'
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_space_group_IT_number           5
_space_group_name_Hall           'C 2y'
_space_group_name_H-M_alt        'C 1 2 1'
_symmetry_space_group_name_Hall  'C 2y'
_symmetry_space_group_name_H-M   'C 1 2 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2014
_audit_update_record
;
2018-04-16 deposited with the CCDC.
2018-07-24 downloaded from the CCDC.
;
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_diffrn_measurement_device_type  'Bruker APEXII CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  'Bruker Helios multilayer confocal mirror'
_diffrn_radiation_source         'Bruker TXS fine-focus rotating anode'
_diffrn_radiation_type           MoK\a
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_diffrn_reflns_limit_h_min       -12
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_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -19
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_diffrn_reflns_point_group_measured_fraction_full 0.999
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_exptl_absorpt_correction_type   empirical
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_exptl_crystal_description       block
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_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   0.36(15)
_refine_ls_extinction_method     none
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_refine_ls_number_reflns         4641
_refine_ls_number_restraints     1
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_refine_ls_R_factor_all          0.0362
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_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0500P)^2^+0.9851P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0839
_refine_ls_wR_factor_ref         0.0851
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_reflns_Friedel_fraction_max     1.000
_reflns_number_gt                4466
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_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8dt02802h2.cif
_cod_data_source_block           TK23a_a
_cod_depositor_comments
'Adding full bibliography for 7047196--7047197.cif.'
_cod_original_cell_volume        2511.97(14)
_cod_database_code               7047196
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_shelx_res_checksum              85355