Results 141 to 150 of about 1,579 (190)
Aromaticity and Antiaromaticity Reversals between the Electronic Ground State and the Two Lowest Triplet States of Thiophene. [PDF]
ChemphyschemCummings E, Karadakov PB.
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Proton transfer induced excited-state aromaticity gain for chromophores with maximal Stokes shifts. [PDF]
Chem SciXing D, Glöcklhofer F, Plasser F.
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Dual-Scandium-Capped Boron Cage: Structural and Electronic Properties of B<sub>10</sub>Sc<sub>2</sub>. [PDF]
ACS OmegaGao SJ +5 more
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Photochemistry Driven by Excited-State Aromaticity Gain or Antiaromaticity Relief
Chemistry - A European Journal, 2023 Gain of aromaticity or relief of antiaromaticity along a reaction path are important factors to consider in mechanism studies. Analysis of such changes along potential energy surfaces has historically focused on reactions in the electronic ground state ...
Henrik Ottosson +2 more
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Aromaticity and Antiaromaticity in Zintl Clusters
Chemistry - A European Journal, 2018 AbstractOriginally, the concepts of aromaticity and antiaromaticity were introduced to explain the stability and reactivity of unsaturated organic compounds. Since then, they have been extended to other species with delocalized electrons including various saturated systems, organometallic compounds, and even inorganic clusters and molecules.
Zhongfang Chen +2 more
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All-Metal Aromaticity and Antiaromaticity
Chemical Reviews, 2005AbstractFor Abstract see ChemInform Abstract in Full Text.
Alexander I. Boldyrev +2 more
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Polycyclic antiaromatic hydrocarbons
Physical Chemistry Chemical Physics, 2008Magnetically induced current densities have been calculated for a series of hydrocarbons consisting of hexadehydro[12]annulene rings alternatingly fused with benzenes. The calculations show that all molecular rings of the studied molecules sustain paramagnetic ring currents.
Jonas, Jusélius, Dage, Sundholm
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Journal of the American Chemical Society, 1978
The concept of antiaromaticity as applied to 4n-ir electron monocyclic conjugated systems is examined and two sub types distinguished. Relative antiaromaticity is the term which describes cyclic systems which are less stable than acyclic con jugated analogues.
Nathan L. Bauld +3 more
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The concept of antiaromaticity as applied to 4n-ir electron monocyclic conjugated systems is examined and two sub types distinguished. Relative antiaromaticity is the term which describes cyclic systems which are less stable than acyclic con jugated analogues.
Nathan L. Bauld +3 more
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Antiaromatic Metallacyclopentatriene Complexes
Journal of the American Chemical SocietyThere is no report on the (anti)aromaticity of metallacyclopentatrienes, one kind of common and important five-membered metallacycles. This work presents the novel synthesis of osmium cis-biscarbene complexes and their oxidation to osmacyclopentatrienes. The osmacyclopentatriene unit is antiaromatic, as revealed by experimental and theoretical studies.
Bingjie Fu +5 more
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