Excited state aromaticity and antiaromaticity: opportunities for photophysical and photochemical rationalizations

M Rosenberg, C Dahlstrand, K Kilsa… - Chemical …, 2014 - ACS Publications
Aromaticity is one of the most widely applied concepts within chemistry. It plays a major role
in the rationalization of a range of chemical properties in the electronic ground state, despite …

Pseudo-Jahn–Teller Effect A Two-State Paradigm in Formation, Deformation, and Transformation of Molecular Systems and Solids

IB Bersuker - Chemical Reviews, 2013 - ACS Publications
The pseudo-Jahn− Teller effect is the only source of instability and distortions of high-
symmetry configurations of polyatomic systems in nondegenerate states, and it contributes …

π-Aromaticity Dominating in a Saturated Ring: Neutral Aromatic Silicon Analogues of Cyclobutane-1, 3-diyls

Y Li, S Dong, J Guo, Y Ding, J Zhang… - Journal of the …, 2023 - ACS Publications
The synthesis, structures, and reactivity of the first neutral 2π-aromatic Si4 rings [LSiSiAr (X)]
2 (3: X= Br; 4: X= Cl; L= PhC (NtBu) 2, Ar= 2, 4, 6-Me3C6H2) were described. Compounds 3 …

Reactivity in the periphery of functionalised multiple bonds of heavier group 14 elements

C Präsang, D Scheschkewitz - Chemical Society Reviews, 2016 - pubs.rsc.org
Heavier group 14 multiple bonds have intrigued chemists since more than a century. The
synthesis of stable compounds with double and triple bonds with silicon, germanium, tin and …

Silicon–silicon π single bond

S Kyushin, Y Kurosaki, K Otsuka, H Imai… - Nature …, 2020 - nature.com
A carbon–carbon double bond consists of a σ bond and a π bond. Recently, the concept of a
π single bond, where a π bond is not accompanied by a σ bond, has been proposed in …

A stable germanone as the first isolated heavy ketone with a terminal oxygen atom

L Li, T Fukawa, T Matsuo, D Hashizume, H Fueno… - Nature Chemistry, 2012 - nature.com
The carbon–oxygen double bond of ketones (R2C= O) makes them among the most
important organic compounds, but their homologues, heavy ketones with an E= O double …

Chemistry of functionalized silylenes

SS Sen, S Khan, PP Samuel, HW Roesky - Chemical Science, 2012 - pubs.rsc.org
Recent years have witnessed important developments in organosilicon chemistry, courtesy
to the high yield access of stable monomeric chlorosilylene (LSiCl, L= PhC (NtBu) 2) and N …

Amphoteric reactivity of metal–oxygen complexes in oxidation reactions

M Sankaralingam, YM Lee, W Nam… - Coordination Chemistry …, 2018 - Elsevier
Mononuclear metal–oxygen species, such as metal-superoxo,-peroxo,-hydroperoxo and-
oxo complexes, are key intermediates involved in dioxygen activation and oxidation …

Releasing antiaromaticity in metal-bridgehead naphthalene

C Tang, Y Zhao, J Wu, Z Chen, LL Liu… - Journal of the …, 2021 - ACS Publications
As a fundamental chemical property, aromaticity guides the synthesis of novel structures and
materials. Replacing the carbon moieties of aromatic hydrocarbons with transition metal …

From a phosphaketenyl‐functionalized germylene to 1, 3‐digerma‐2, 4‐diphosphacyclobutadiene

S Yao, Y **ong, T Szilvási, H Grützmacher… - Angewandte …, 2016 - Wiley Online Library
The first 4π‐electron resonance‐stabilized 1, 3‐digerma‐2, 4‐diphosphacyclobutadiene
[LH2Ge2P2] 4 (LH= CH [CHNDipp] 2 Dipp= 2, 6‐iPr2C6H3) with four‐coordinate …