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Recent advances in aromaticity and antiaromaticity in transition-metal systems

Recent advances in aromaticity and antiaromaticity in transition-metal systems The concept of aromaticity/antiaromaticity was recently extended to polynuclear transition metal compounds. In the current report we review recent advances made in the field of aromaticity and antiaromaticity in bare transition-metal clusters, clusters of transition metal suboxides and transition-metal clusters embedded in metalloorganic and inorganic compounds. We analyzed aromaticity in reported aromatic/antiaromatic species through the recently developed Adaptive Natural Density Partitioning method. We confirmed aromaticity in most cases though there are a few cases where no aromaticity or a different type of aromaticty was revealed by the AdNDP method. The peculiarity of aromaticity in polynuclear transition metal compounds is frequently its multifold (σ-, π-, and δ-) nature. Moreover, the presence of simultaneous multifold aromaticity/antiaromaticity leads to conflicting aromaticity which complicates assignment of aromaticity/antiaromaticity in such compounds. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Annual Reports Section "C" (Physical Chemistry) Royal Society of Chemistry

Recent advances in aromaticity and antiaromaticity in transition-metal systems

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Publisher
Royal Society of Chemistry
Copyright
This journal is © The Royal Society of Chemistry
ISSN
0260-1826
eISSN
1460-4787
DOI
10.1039/c1pc90004h
Publisher site
See Article on Publisher Site

Abstract

The concept of aromaticity/antiaromaticity was recently extended to polynuclear transition metal compounds. In the current report we review recent advances made in the field of aromaticity and antiaromaticity in bare transition-metal clusters, clusters of transition metal suboxides and transition-metal clusters embedded in metalloorganic and inorganic compounds. We analyzed aromaticity in reported aromatic/antiaromatic species through the recently developed Adaptive Natural Density Partitioning method. We confirmed aromaticity in most cases though there are a few cases where no aromaticity or a different type of aromaticty was revealed by the AdNDP method. The peculiarity of aromaticity in polynuclear transition metal compounds is frequently its multifold (σ-, π-, and δ-) nature. Moreover, the presence of simultaneous multifold aromaticity/antiaromaticity leads to conflicting aromaticity which complicates assignment of aromaticity/antiaromaticity in such compounds.

Journal

Annual Reports Section "C" (Physical Chemistry)Royal Society of Chemistry

Published: Apr 18, 2011

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