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Hydrogen bond (H-bond) covalency has recently been observed in ice and liquid water, while the penetrating molecular orbitals (MOs) in the H-bond region of most typical water dimer system, (H2O)2, have also been discovered. However,…

Atomic and Molecular Clusters · Physics 2016-11-08 Zhiyuan Zhang , Wanrun Jiang , Bo Wang , Zhigang Wang

Strong influence of water molecules on the transport and magnetic properties of DNA, observed in this study, opens up real opportunities for application of DNA in molecular electronics. Interaction of the nucleobases with water molecules…

Chemical Physics · Physics 2010-08-13 Julia Berashevich , Tapash Chakraborty

A combined experimental/theoretical approach has been used to investigate the role of water in modifying the microscopic interactions characterizing the optical response of butyl-ammonium nitrate (BAN) water solutions. Raman spectra,…

The work presents the detailed analysis of the water dimer properties. Their parameters are investigated on the basis of a multipole interaction potential extended up to the quadrupole--quadrupole and dipole--octupole terms. All main…

Chemical Physics · Physics 2013-05-02 P. V. Makhlaichuk , M. P. Malomuzh , I. V. Zhyganiuk

Polymers contain functional groups that participate in hydrogen bond (H-bond) with water molecules, establishing a robust H-bond network that influences bulk properties. This study utilized molecular dynamics (MD) simulations to examine the…

Soft Condensed Matter · Physics 2023-05-02 Kokoro Shikata , Takuma Kikutsuji , Nobuhiro Yasoshima , Kang Kim , Nobuyuki Matubayasi

The influence of vibrational motion on electron conduction through single molecules bound to metal electrodes is investigated employing first-principles electronic-structure calculations and projection-operator Green's function methods.…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 C. Benesch , M. Thoss , W. Domcke , M. Cizek

Strong electron correlation effects in the photophysics of quasi-one-dimensional $\pi$-conjugated organic systems such as polyenes, polyacetylenes, polydiacetylenes, etc., have been extensively studied. Far less is known on correlation…

Strongly Correlated Electrons · Physics 2014-02-18 K. Aryanpour , A. Roberts , A. Sandhu , R. Rathore , A. Shukla , S. Mazumdar

Binary mixtures of water with lower alcohols display non-linear phase behaviour upon mixing which are attributed to potential cluster formation at molecular level. Unravelling such elusive structures requires the investigation of…

Soft Condensed Matter · Physics 2023-10-09 Riccardo Morbidini , Robert M. Edkins , Mark Devonport , Gøran Nilsen , Tilo Seydel , Katharina Edkins

Water inherently contains trace amounts of various salts, yet the microscopic processes by which salts influence some of its physical properties remain elusive. Notably, the mechanisms that reduce the dielectric constant of water upon salt…

Chemical Physics · Physics 2025-05-12 Florian Pabst , Stefano Baroni

The solvated electron represents an elementary quantum system in a liquid environment. Electrons solvated in water have raised strong interest because of their prototypical properties, their role in radiation chemistry, and their relevance…

Chemical Physics · Physics 2022-04-15 Michael Woerner , Benjamin P. Fingerhut , Thomas Elsaesser

Analysis of the electron density distribution in clusters composed of hydrogen fluoride, water, and ammonia molecules, especially within the hydrogen-bond domains, reveals the existence of both \sigma- and \pi-binding between molecules. The…

Chemical Physics · Physics 2024-05-08 Yulia V. Novakovskaya

The microscopic description of the local structure of water remains an open challenge. Here, we adopt an agnostic approach to understanding water's hydrogen bond network using data harvested from molecular dynamics simulations of an…

Soft Condensed Matter · Physics 2022-04-05 Adu Offei-Danso , Ali Hassanali , Alex Rodriguez

In this paper we consider dipole-mediated correlations between DNA and enzymes in the context of their water environment. Such correlations emerge from electric dipole-dipole interactions between aromatic ring structures in DNA and in…

Biological Physics · Physics 2017-02-06 P. Kurian , A. Capolupo , T. J. A. Craddock , G. Vitiello

There is a long-standing question about the molecular configuration of interfacial water molecules in the proximity of solid surfaces, particularly carbon atoms which play a crucial role in electrochemistry and biology. In this study, the…

Statistical Mechanics · Physics 2021-03-03 Iman Ahmadabadi , Ali Esfandiar , Ali Hassanali , Mohammad Reza Ejtehadi

Energy dissipation in water is very fast and more efficient than in many other liquids. This behavior is commonly attributed to the intermolecular interactions associated with hydrogen bonding. Here, we investigate the dynamic energy flow…

Electron confinement within a small volume is intriguing as a realization of the particle-in-a-box system, which appears in every quantum mechanics textbook. While the electron confinement is readily imaginable in solid-state systems, it…

Optics · Physics 2026-03-16 Korenobu Matsuzaki , Hikaru Kuramochi , Tahei Tahara

Molecular dynamics simulations are performed to study the temperature-dependent dynamics and structures of the hydration shells of elastin-like and collagen-like peptides. For both model peptides, it is consistently observed that, upon…

Soft Condensed Matter · Physics 2009-02-23 Michael Vogel

The fundamental understanding of intermolecular interactions of ionic liquids with water represents a vital extent in predicting ionic liquid properties. Intermolecular or noncovalent interactions were studied for 1,3-dimethyl imidazolium…

Chemical Physics · Physics 2022-06-14 Oleg N. Starovoytov

The results of molecular dynamics simulations of the properties of water in an aqueous ionic solution close to an interface with a model metallic electrode are described. In the simulations the electrode behaves as an ideally polarizable…

Statistical Mechanics · Physics 2014-09-09 Adam P. Willard , Stewart K. Reed , Paul A. Madden , David Chandler

Water is vital for life, and without it biomolecules and cells cannot maintain their structures and functions. The remarkable properties of water originate from its ability to form hydrogen-bonding networks and dynamics, which the…

Soft Condensed Matter · Physics 2023-06-01 Nguyen Q. Vinh , Luan C. Doan , Ngoc L. H. Hoang , Jiarong R. Cui , Ben Sindle