Dissecting Porosity in Molecular Crystals: Influence of Geometry, Hydrogen Bonding, and [π···π] Stacking on the Solid-State Packing of Fluorinated Aromatics.
Hashim, Mohamed I.; Le, Ha T. M.; Chen, Teng-Hao; Chen, Yu-Sheng; Daugulis, Olafs; Hsu, Chia-Wei; Jacobson, Allan J.; Kaveevivitchai, Watchareeya; Liang, Xiao; Makarenko, Tatyana; Miljanić, Ognjen Š; Popovs, Ilja; Tran, Hung Vu; Wang, Xiqu; Wu, Chia-Hua; Wu, Judy I.; Journal of the American Chemical Society 140 (2018) 6014–6026; doi:10.1021/jacs.8b02869

data_4132297
_publ_section_title
;
 Dissecting Porosity in Molecular Crystals: Influence of Geometry,
 Hydrogen Bonding, and [\p&#x00B7;&#x00B7;&#x00B7;\p] Stacking on the
 Solid-State Packing of Fluorinated Aromatics.
;
_journal_issue                   18
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              6014
_journal_page_last               6026
_journal_paper_doi               10.1021/jacs.8b02869
_journal_volume                  140
_journal_year                    2018
_chemical_formula_sum            'C12 H6 F4 N4'
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_computing_structure_solution    'SHELXS v6.12 (G.M. Sheldrick, 2001)'
_diffrn_ambient_temperature      123(2)
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_exptl_crystal_size_max          0.35
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_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
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_refine_ls_structure_factor_coef Fsqd
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'w=1/[\s^2^(Fo^2^)+(0.0309P)^2^+0.3692P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_refine_ls_wR_factor_ref         0.0726
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_reflns_number_gt                876
_reflns_number_total             884
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja8b02869_si_002.cif
_cod_data_source_block           2cif_K1434
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_absorpt_correction_type' value 'Empirical' was
changed to 'empirical' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/ACS/depositions/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 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4132297
_shelx_shelxl_version_number     2014/7
_shelx_res_checksum              86300
_shelx_hkl_checksum              49628