Formation of an Unusual Pseudo-Square Planar-Induced Mercury(II) Dimeric Complexopen access
- Authors
- Ju, Huiyeong; Lee, Dong Hee; Kim, Seulgi; Kim, Joon Rae; Kang, Yunji; Lee, Eunji; Park, In-Hyeok
- Issue Date
- Oct-2023
- Publisher
- Multidisciplinary Digital Publishing Institute (MDPI)
- Keywords
- dimeric complex; exocyclic coordination; mercury iodide; sulfoxidation; thiamacrocycle
- Citation
- Crystals, v.13, no.10
- Indexed
- SCIE
SCOPUS
- Journal Title
- Crystals
- Volume
- 13
- Number
- 10
- URI
- https://scholarworks.gnu.ac.kr/handle/sw.gnu/68515
- DOI
- 10.3390/cryst13101475
- ISSN
- 2073-4352
- Abstract
- Due to the different crystallization methods, two Hg(II) complexes of a 19-membered NO2S2-macrocycle (L) and its oxidized ligand (HLox), exhibiting different stoichiometries, were prepared. First, mercury(II) iodide reacts with L to afford a dinuclear metallacycle complex [Hg2(L)2I4] (1) in which the mercury(II) exists outside the macrocyclic cavity. Meanwhile, the slow diffusion reaction gave an unusual pseudo-square planar-induced mercury(II) complex, which shows three separated parts with the formula [Hg2(HLox)I5]2[HgI2] (2). There are two complex cation units that are exo-coordinated, along with one unit consisting of a metal cluster anion. Surprisingly, L was oxidized in the disulfoxidized form (HLox) in this condition. NMR titration was used to monitor both the structural and binding characteristics of the complex formed between L and mercury(II) iodide in a solution. © 2023 by the authors.
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