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Lah, Myoung Soo
Frontier Energy Storage Material Lab.
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dc.citation.endPage 2048 -
dc.citation.number 9-10 -
dc.citation.startPage 2043 -
dc.citation.title POLYHEDRON -
dc.citation.volume 27 -
dc.contributor.author Park, Wonchoul -
dc.contributor.author Cho, Jang-Hoon -
dc.contributor.author Lee, Hong-In -
dc.contributor.author Park, Mira -
dc.contributor.author Lah, Myoung Soo -
dc.contributor.author Lim, Dongyeol -
dc.date.accessioned 2023-12-22T08:40:02Z -
dc.date.available 2023-12-22T08:40:02Z -
dc.date.created 2014-09-12 -
dc.date.issued 2008-06 -
dc.description.abstract A new 24-membered octaaza macrocyclic ligand (L) containing two methoxybenzyl pendant arms has been synthesized. While its complexation with MnCl2 in the presence of perchlorate anion yielded a mononuclear complex, [MnL](ClO4)2, a similar reaction in the absence of perchlorate anion led to an endocyclic dinuclear complex, [Mn2LCl4]. In [MnL](ClO4)2, the Mn(II) ion was tightly surrounded by the N8-macrocyclic ligand to form a distorted bicapped octahedral geometry. In [Mn2LCl4], the endomacrocyclic bound two manganese ions are bridged via two chloro ligands to form a bis-(μ-chloro) Mn2Cl2 diamond core. Each Mn(II) ion in the dinuclear complex is additionally ligated with a diaminomethyl pyridinyl nitrogen donor atom of the ligand and a terminal chloride, which leads to a distorted octahedral geometry of the N3Cl3 donor set. An EPR study of [MnL](ClO4)2 in DMSO or DMF showed an unprecedented Mn(II) EPR signal spreading from ∼100 G over ∼7000 G with 55Mn nuclear hyperfine structures at 600-1800 G. For [Mn2LCl4], a typical high-spin Mn(II) signal was observed near g = ∼2 with an average 55Mn nuclear hyperfine coupling constant of 91 G and small ZFS. -
dc.identifier.bibliographicCitation POLYHEDRON, v.27, no.9-10, pp.2043 - 2048 -
dc.identifier.doi 10.1016/j.poly.2008.03.021 -
dc.identifier.issn 0277-5387 -
dc.identifier.scopusid 2-s2.0-44649135154 -
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/6035 -
dc.identifier.url http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=44649135154 -
dc.identifier.wosid 000257533800003 -
dc.language 영어 -
dc.publisher PERGAMON-ELSEVIER SCIENCE LTD -
dc.title Synthesis and characterization of mononuclear and dinuclear Mn complexes with N,N '-disubstituted octaaza macrocycle -
dc.type Article -
dc.description.journalRegisteredClass scopus -
dc.subject.keywordAuthor manganese(II) complexes -
dc.subject.keywordAuthor octaaza macrocycle -
dc.subject.keywordAuthor crystal structures -
dc.subject.keywordPlus ELECTRON-PARAMAGNETIC-RESONANCE -
dc.subject.keywordPlus STRUCTURAL-CHARACTERIZATION -
dc.subject.keywordPlus MANGANESE(II) COMPLEXES -
dc.subject.keywordPlus MOLECULAR-STRUCTURE -
dc.subject.keywordPlus HIGH-FIELD -
dc.subject.keywordPlus EPR -
dc.subject.keywordPlus LIGAND -
dc.subject.keywordPlus CRYSTAL -
dc.subject.keywordPlus BEARING -
dc.subject.keywordPlus MAGNETISM -

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