Halocyclopropenium-Halide Halogen-Bonded Ion Pairs and Their Hydrogen-Bonded Halide Solvates

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dc.citation.issue1
dc.citation.volume106
dc.contributor.authorAbdelbassit MS
dc.contributor.authorCurnow OJ
dc.contributor.authorWaterland MR
dc.date.accessioned2024-01-11T20:26:29Z
dc.date.accessioned2024-07-25T06:41:54Z
dc.date.available2022-11-23
dc.date.available2024-01-11T20:26:29Z
dc.date.available2024-07-25T06:41:54Z
dc.date.issued2023-01-19
dc.description.abstractA series of salts with a diaminohalocyclopropenium cation and halide anion [C3(NiPr2)2X]X (X=Cl ([1]Cl) or Br ([2]Br) were isolated with a variety of solvates and, in one case, as a co-crystal with hydronium chloride. In particular, the initial synthesis of [1]Cl formed a co-crystal with hydronium and with CH2Cl2 solvate ([1]2[OH3Cl3] ⋅ CH2Cl2) upon isolation from acetone/CH2Cl2. Recrystallization of this from chloroform gave a dichloroform adduct [1]Cl ⋅ 2CHCl3, whereas treatment with ICl formed an octahalide cluster [1]2I4Cl4. The bromine salt [2]Br ⋅ C2H4Br2 was prepared by treatment of [1]Cl with dibromoethane and was isolated as a solvate. The hydronium cation was found as part of a hydronium trichloride cluster [OH3Cl3]2− and this, along with a partially-deuterated analogue of [OHD2Cl3]2− and [OD3Cl3]2−, was studied computationally and by mid- and far-infrared spectroscopy. Significant halogen bonds were found between 1+ or 2+ and chloride or bromide, respectively. On the other hand, the distance to the octahalide [I4Cl4]2− is too long for a halogen bond. Hydrogen bonding from the halides to the halomethane solvates is also significantly stronger than to the cation isopropyl groups. The geometries formed at the halide ions with respect to the halogen bond and strong hydrogen bonds are pyramidal with approximately orthogonal angles.
dc.description.confidentialfalse
dc.edition.editionJanuary 2023
dc.identifier.citationAbdelbassit MS, Curnow OJ, Waterland MR. (2023). Halocyclopropenium-Halide Halogen-Bonded Ion Pairs and Their Hydrogen-Bonded Halide Solvates. Helvetica Chimica Acta. 106. 1.
dc.identifier.doi10.1002/hlca.202200163
dc.identifier.eissn1522-2675
dc.identifier.elements-typejournal-article
dc.identifier.issn0018-019X
dc.identifier.numbere202200163
dc.identifier.urihttps://mro.massey.ac.nz/handle/10179/70701
dc.languageEnglish
dc.publisherWiley-VHCA AG
dc.publisher.urihttps://onlinelibrary.wiley.com/doi/10.1002/hlca.202200163
dc.relation.isPartOfHelvetica Chimica Acta
dc.rights(c) The author/sen
dc.rights.licenseCC BY-NCen
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/en
dc.subjecthalides
dc.subjecthalogens
dc.subjecthalogen bonding
dc.subjecthydrogen bonds
dc.subjectX-ray diffraction
dc.titleHalocyclopropenium-Halide Halogen-Bonded Ion Pairs and Their Hydrogen-Bonded Halide Solvates
dc.typeJournal article
pubs.elements-id458672
pubs.organisational-groupOther
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