| | 1 | Author
| Matthias Frey, PeterG. Jones | Requires cookie* | | | Title
| Secondary Bonding Interactions in Some Halopyridinium and Dihalopyridinium Halides  | | | | Abstract
| The packing motifs of 2-and 3-chloropyridinium chloride can be interpreted in terms of classical hydrogen bonds N+-H -C 1~ and non-classical C-H--C1" interactions, with halo-gen-halogen contacts playing a subordinate role. In the corresponding bromine derivatives, Br--Br interactions are much more important. Of the dihalo derivatives, 3,5-dichloropyridinium chloride crystallises with classical linear hydrogen bonds of the form N+-H -C1_ , but its chlorine-chlorine interactions are at best weak; the corresponding bromine derivative displays aggregates of bromine atoms and three-centre hydrogen bonds N+-H (-B r")2 . | | | |
Reference
| Z. Naturforsch. 56b, 889—896 (2001); received May 15 2001 | | | |
Published
| 2001 | | | |
Keywords
| Pyridinium, Halides, Hydrogen Bonds | | | |
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| ZNB-2001-56b-0889 | | | | Volume
| 56 | |
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