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Lah, Myoung Soo
Nanoporous Materials Lab
Research Interests
  • Metal-Organic Frameworks (MOFs)

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A dodecanuclear metallamacrocycle having a multidentate bridging ligand in two different binding modes

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Title
A dodecanuclear metallamacrocycle having a multidentate bridging ligand in two different binding modes
Author
Liu, XinfangLiu, WenlongLee, KyungjinPark, MiraRi, Hyeong-CheolKim, Ghyung HwaLah, Myoung Soo
Keywords
CRYSTAL-STRUCTURE; MANGANESE METALLADIAZAMACROCYCLE; SUPRAMOLECULAR ISOMERISM; COORDINATION CHEMISTRY; STERIC CONTROL; COMPLEXES; HEXANUCLEAR; NUCLEARITY; 18-METALLACROWN-6; OCTANUCLEAR
Issue Date
2008
Publisher
ROYAL SOC CHEMISTRY
Citation
DALTON TRANSACTIONS, v., no.46, pp.6579 - 6583
Abstract
The reaction of Mn(OAc)2·4H2O with 2,6-dimethoxybenzoylsalicylhydrazide (H3dmbshz) leads to a dodecanuclear manganese metallamacrocycle [Mn12(dmbshz) 12(EtOH)6], 1. The successive manganese centers are connected by the hydrazide N-N groups of the ligands in an alternating pentadentate binding mode, hexadentate binding mode. The alternation results in two alternating chelation modes around the metal centers, a tridentate- tridentate chelation mode and a bidentate-tridentate chelation mode. The metal ions in 1 are in a ⋯(AAΔBC AΛB)(AAΔBC AΛB)⋯ chiral sequence, the alternation of the chiralities expanding the cyclic ring system to a 36-membered dodecanuclear manganese metallamacrocyclic ring system with S6 point group symmetry.
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DOI
http://dx.doi.org/10.1039/b810711d
ISSN
1477-9226
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