Revisiting indeno[2,1-<i>c</i>]fluorene synthesis while exploring the fully conjugated <i>s</i>-indaceno[2,1-<i>c</i>:6,5-<i>c</i>']difluorene.
Sharma, Himanshu; Sharma, Priyank Kumar; Das, Soumyajit; Chemical communications (Cambridge, England) 56 (2020) 11319–11322; doi:10.1039/d0cc04418k

data_7127121
_publ_section_title
;
 Revisiting indeno[2,1-<i>c</i>]fluorene synthesis while exploring the
 fully conjugated <i>s</i>-indaceno[2,1-<i>c</i>:6,5-<i>c</i>']difluorene.
;
_journal_issue                   76
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'Chemical communications (Cambridge, England)'
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_journal_paper_doi               10.1039/d0cc04418k
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;
2020-06-22 deposited with the CCDC.	2020-08-05 downloaded from the CCDC.
;
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'Re-crystallisation from solvent: Chloroform/THF'
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_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0838P)^2^+3.1976P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_reflns_number_gt                4827
_reflns_number_total             6877
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0cc04418k2.cif
_cod_data_source_block           SD-LT
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_absorpt_correction_type' value 'Multi-Scan' was
changed to 'multi-scan' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 7556 2019-12-06 15:28:31Z antanas 

 Adding full bibliography for 7127121.cif.
;
_cod_original_sg_symbol_H-M      'C 2/c'
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_shelx_res_checksum              14028
_shelx_hkl_checksum              20898
_shelx_fab_checksum              3014