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Figure 2
Profiles of the exchange electron energy density per electron, ɛx(r) along the interatomic lines: (a) covalent bonds in the 1,2,3-di­thia­zolium heterocycle of Appel's salt; (b) ChBs (chalcogen bonds) Cl−⋯S1 and Cl−⋯S2, HaB (halogen bond) Cl−⋯Cl2(−x, −½ + y, [3\over 2] −z), TtB (tetrel bond) Cl−⋯C2(1 − x, −½ + y, [3\over 2] − z) formed by Cl− with atoms in cation.

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
Volume 77| Part 4| August 2021| Pages 478-487
https://doi.org/10.1107/S2052520621005928
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