Results 11 to 20 of about 40,685 (294)
Aromatic chloroosmacyclopentatrienes
National Science Review, 2022 ABSTRACT Aromatic metallacycles are of considerable current interest. Reported aromatic metallacycles are mainly those with carbon, nitrogen, oxygen and sulfur. In this work, we report the synthesis and characterization of aromatic chloroosmacyclopentatrienes, which represent the first structurally confirmed metallaaromatic with a ...
Zhenwei Chu +7 more
openaire +3 more sources
Nature Chemistry, 2022 The following organizations are thanked for financial support: the Ministerio de Ciencia e Innovación (MICINN, project number PID2020-113711GB-I00) and the Generalitat de Catalunya (project number 2017SGR0039)
openaire +3 more sources
Nanoscale Research Letters, 2009 Abstract Based on our comprehensive theoretical investigation and known experimental results for small boron clusters, we predict the existence of a novel aromatic inorganic molecule, B12H6. This molecule, which we refer to as borozene, has remarkably similar properties to the well-known benzene.
Szwacki, N G, Weber, V, Tymczak, C J
openaire +6 more sources
Biochar, 2023 In the last few decades, sulfonated carbon materials have garnered significant attention as Brønsted solid acid catalysts. The sulfonation process and catalytic activity of sulfonated biochar can be influenced by the aromaticity and degree of ...
Qianqian Xie +5 more
doaj +1 more source
From mass to structure: An aromaticity index for high-resolution mass data of natural organic matter [PDF]
, 2006 Recent progress in Fourier transform ion cyclotron resonance mass spectrometry (FTICRMS) provided extensive molecular mass data for complex natural organic matter (NOM). Structural information can be deduced solely from the molecular masses for ions with
Benecke +16 more
core +1 more source
Hydrogenated polycyclic aromatic hydrocarbons: isomerism and aromaticity
Physical Chemistry Chemical Physics, 2020 A simple model based on adjacency matrices is introduced to study the stability of hydrogenated polycyclic aromatic hydrocarbons. Aromaticity governs their relative stability having the most stable isomers the higher number of non-hydrogenated rings.
Paula Pla +3 more
openaire +3 more sources
Performance of 3D-space-based atoms-in-molecules methods for electronic delocalization aromaticity indices [PDF]
, 2010 Several definitions of an atom in a molecule (AIM) in three-dimensional (3D) space, including both fuzzy and disjoint domains, are used to calculate electron sharing indices (ESI) and related electronic aromaticity measures, namely, Iringand multicenter ...
Bultinck, Patrick +4 more
core +1 more source
Characterization of the Structure of Saudi Crude Asphaltenes by X-ray Diffraction [PDF]
, 1997 Structural characterization studies have been carried out on four commercial Saudi Arabian crude oils. The aromaticity and crystallite parameters of the asphaltenes were studied by X-ray diffraction methods and compared to the average structural ...
Ali, Mohammad F. +2 more
core +5 more sources
Chemistry, 2021 Polycyclic aromatic hydrocarbons (PAH) are a prominent substance class with a variety of applications in molecular materials science. Their electronic properties crucially depend on the bond topology in ways that are often highly non-intuitive.
Felix Plasser
doaj +1 more source
Physics Today, 2018 The rich molecular structures of polycyclic aromatic hydrocarbons—essentially planar flakes of fused benzene rings—and their fullerene cousins are revealed through their vibrational and electronic spectra.
Candian, A., Zhen, J., Tielens, A.G.G.M.
openaire +3 more sources