Halogen-bonded co-crystal containing 1,3-di-iodo-perchloro-benzene and the photoproduct <i>rtct</i>-tetra-kis-(pyridin-4-yl)cyclo-butane resulting in a zigzag topology.
Bosch, Eric; Unruh, Daniel K.; Santana, Carlos L.; Groeneman, Ryan H.; Acta crystallographica. Section E, Crystallographic communications 79 (2023) 212–215; doi:10.1107/S2056989023001408

data_2312076
_publ_section_title
;
 Halogen-bonded co-crystal containing 1,3-di-iodo-perchloro-benzene and
 the photoproduct <i>rtct</i>-tetra-kis-(pyridin-4-yl)cyclo-butane
 resulting in a zigzag topology.
;
_journal_coeditor_code           ZL5042
_journal_issue                   'Pt 3'
_journal_name_full
'Acta crystallographica. Section E, Crystallographic communications'
_journal_page_first              212
_journal_page_last               215
_journal_paper_doi               10.1107/S2056989023001408
_journal_volume                  79
_journal_year                    2023
_chemical_formula_iupac          'C24 H20 N4, C6 Cl4 I2'
_chemical_formula_moiety         'C24 H20 N4, C6 Cl4 I2'
_chemical_formula_sum            'C30 H20 Cl4 I2 N4'
_chemical_formula_weight         832.10
_chemical_name_common
1,3-Diiodoperchlorobenzene--<i>rtct</i>-1,2,3,4-tetrakis(pyridin-4-yl)cyclobutane
_chemical_name_systematic
1,3-Diiodo-2,4,5,6-tetrachlorobenzene--<i>rtct</i>-1,2,3,4-tetrakis(pyridin-4-yl)cyclobutane
_space_group_crystal_system      monoclinic
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_space_group_name_Hall           '-P 2ybc'
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;
Olex2 1.3-ac4
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;
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CrysAlisPro 1.171.41.99a (Rigaku OD, 2021)
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CrysAlisPro 1.171.41.99a (Rigaku OD, 2021)
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CrysAlisPro 1.171.41.99a (Rigaku OD, 2021)
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Olex2 1.3-ac4 (Dolomanov <i>et al.</i>,  2009)
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Olex2 1.3-ac4 (Dolomanov <i>et al.</i>,  2009)
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<i>SHELXL2018/3</i> (Sheldrick, 2015b)
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<i>SHELXT2018/2</i> (Sheldrick, 2015a)
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_diffrn_measurement_device       'four-circle diffractometer'
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;
(CrysAlisPro; Rigaku OD, 2021)
;
_exptl_crystal_colour            'clear colourless'
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_exptl_crystal_size_mid          0.135
_exptl_crystal_size_min          0.135
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
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'w=1/[\s^2^(Fo^2^)+(0.0613P)^2^+12.1190P] where P=(Fo^2^+2Fc^2^)/3'
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_reflns_threshold_expression     'I > 2\s(I)'
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