Interlocking increases the persistence of N-heterocyclic carbenes in solution.
Hsueh, Fang-Che; Tsai, Chi-You; Lai, Chien-Chen; Liu, Yi-Hung; Peng, Shie-Ming; Chiu, Sheng-Hsien; Chemical communications (Cambridge, England) 56 (2020) 4773–4776; doi:10.1039/d0cc01183e

data_7126321
_publ_section_title
;
 Interlocking increases the persistence of N-heterocyclic carbenes in
 solution.
;
_journal_issue                   35
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              4773
_journal_page_last               4776
_journal_paper_doi               10.1039/d0cc01183e
_journal_volume                  56
_journal_year                    2020
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_audit_update_record
;
2019-11-28 deposited with the CCDC.	2020-03-18 downloaded from the CCDC.
;
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_exptl_absorpt_process_details
; 
CrysAlisPro 1.171.39.46 (Rigaku Oxford Diffraction, 2018) 
Empirical absorption correction using spherical harmonics, 
 implemented in SCALE3 ABSPACK scaling algorithm. 
;
_exptl_crystal_density_diffrn    1.339
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1243P)^2^+8.3906P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_reflns_number_gt                13640
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_reflns_threshold_expression     'I > 2\s(I)'
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_cod_data_source_block           ic19216
_cod_depositor_comments
'Adding full bibliography for 7126320--7126323.cif.'
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_original_formula_sum        'C94.50 H99 B Cl2 F24 N4 O3.50'
_cod_database_code               7126321
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