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615 Results Found

  • Article
  • Open Access
19 Citations
10,504 Views
17 Pages

31 January 2003

New valence topological charge-transfer indices are applied to the calculation of dipole moments. The algebraic and vector semisum charge-transfer indices are defined. The combination of the charge-transfer indices allows the estimation of the dipole...

  • Review
  • Open Access
7 Citations
2,918 Views
11 Pages

14 December 2022

In the process of intense laser–matter interactions, the transition dipole moment is a basic physical quantity at the core, which is directly related to the internal structure of the solid and dominates the optical properties of the solid in th...

  • Article
  • Open Access
9 Citations
8,806 Views
14 Pages

31 December 2004

Valence topological charge-transfer (CT) indices are applied to the calculationof dipole moments. The algebraic and vector semisum CT indices are defined. Thecombination of CT indices allows the estimation of the dipole moments. The model isgeneraliz...

  • Review
  • Open Access
4 Citations
3,814 Views
16 Pages

Nuclear Dipole Moments and Shielding Constants of Light Nuclei Measured in Magnetic Fields

  • Włodzimierz Makulski,
  • Mateusz A. Słowiński and
  • Piotr Garbacz

Nuclear magnetic resonance (NMR) is a branch of spectroscopy commonly used for identifying the chemical structure of various materials. One of the areas in which NMR provides accurate data is the determination of nuclear magnetic moments. This work r...

  • Article
  • Open Access
1 Citations
2,082 Views
16 Pages

Fundamental Investigation of Wave Propagation inside IC-Striplines upon Excitation with Hertzian Dipole Moments

  • Dominik Kreindl,
  • Thomas Bauernfeind,
  • Bernhard Weiss,
  • Christian Stockreiter,
  • Suresh Kumar Yenumula,
  • Bhuvnesh Narayanan and
  • Manfred Kaltenbacher

10 August 2022

To characterize the electromagnetic compatibility (EMC) of integrated circuits (ICs), especially the radiated emissions in the near field, transversal electromagnetic cell (TEM cell) or IC-stripline measurements (IEC 61967) are utilized. Due to the o...

  • Article
  • Open Access
3 Citations
3,205 Views
18 Pages

10 February 2023

The orientation and magnitude of the molecular electric dipole moment are key properties relevant to topics ranging from the nature of intermolecular interactions to the quantitative analysis of complex gas-phase mixtures, such as chemistry in astrop...

  • Article
  • Open Access
1 Citations
1,969 Views
18 Pages

Improved Theory of the Effective Dipole Moments and Absolute Line Strengths of the XY2 Asymmetric Top Molecules in the X2B1 Doublet Electronic States

  • Oleg Ulenikov,
  • Elena Bekhtereva,
  • Olga Gromova,
  • Aleksei Kakaulin,
  • Christian Sydow and
  • Sigurd Bauerecker

12 August 2023

A new effective dipole moment model for the XY2 (C2v−symmetry) molecule in a doublet electronic state is derived that includes (as special cases) all currently known models of effective dipole moments for such types of molecules, and allows us...

  • Communication
  • Open Access
3 Citations
3,971 Views
11 Pages

Searches for Electric Dipole Moments—Overview of Status and New Experimental Efforts

  • Florian Kuchler and
  • on behalf of the TUCAN and HeXeEDM Collaborations

9 February 2019

Searches for permanent electric dipole moments (EDMs) of fundamental particles, atoms and molecules are promising experiments to constrain and potentially reveal beyond Standard Model (SM) physics. A non-zero EDM is a direct manifestation of time-rev...

  • Article
  • Open Access
1 Citations
2,097 Views
18 Pages

30 March 2025

Various theoretical methods were applied and evaluated to determine the dipole moment of polar protic (methanol, ethanol) and aprotic (acetonitrile, pyridine, acetone) dipoles in the crystal phase. In mono-alcohols, the dipole moment is influenced by...

  • Article
  • Open Access
7 Citations
3,230 Views
15 Pages

10 August 2021

Experimental and theoretical conformational analysis of N-methyl-N-[2-(diphenylphosphoryl)ethyl]diphenylphosphorylacetamide, N-butyl-N-[2-(diphenylphosphoryl)ethyl]diphenylphosphorylacetamide, and N-octyl-N-[2-(diphenylphosphoryl)ethyl]diphenylphosph...

  • Article
  • Open Access
1 Citations
2,136 Views
22 Pages

Structure of Tris[2-(4-pyridyl)ethyl]phosphine, Tris[2-(2-pyridyl)ethyl]phosphine, and Their Chalcogenides in Solution: Dipole Moments, IR Spectroscopy, and DFT Study

  • Anastasiia A. Kuznetsova,
  • Denis V. Chachkov,
  • Natalia A. Belogorlova,
  • Svetlana F. Malysheva and
  • Yana A. Vereshchagina

23 December 2023

Tris(hetaryl)substituted phosphines and their chalcogenides are promising polydentate ligands for the design of metal complexes. An experimental and theoretical conformational analysis of tris[2-(4-pyridyl)ethyl]phosphine, tris[2-(2-pyridyl)ethyl]pho...

  • Article
  • Open Access
10 Citations
32,694 Views
18 Pages

6 January 2023

CO2 is a widespread fluid naturally occurring within the Earth crust or injected in deep strata for technological issues such as Carbon Capture and Storage (CCS). At STP conditions, CO2 is a gas, with a net zero dipole moment. Growing pressures produ...

  • Article
  • Open Access
3 Citations
2,043 Views
4 Pages

13 November 2022

Based on fundamental symmetries, molecules cannot have a permanent electric dipole moment, although it is commonly used in the literature to explain the different molecular spectra for heteronuclear and homonuclear molecules. Electric-dipole rotation...

  • Article
  • Open Access
8 Citations
4,115 Views
13 Pages

Optical Rotation Approach to Search for the Electric Dipole Moment of the Electron

  • Dmitry V. Chubukov,
  • Leonid V. Skripnikov,
  • Vasily N. Kutuzov,
  • Sergey D. Chekhovskoi and
  • Leonti N. Labzowsky

7 June 2019

The P , T -odd Faraday effect (i.e., rotation of the polarization plane of light propagating through a medium in presence of the external electric field due to P , T symmetry violating interactions) is considered for several atomi...

  • Review
  • Open Access
140 Views
14 Pages

High-resolution NMR spectroscopy is the leading method for determining nuclear magnetic moments. It is designed to measure stable nuclei, which can be investigated in macroscopic samples. In this work, we discuss the progress in research into light n...

  • Review
  • Open Access
5 Citations
3,531 Views
15 Pages

28 April 2022

Multinuclear NMR studies of the gaseous mixtures that involve volatile compounds and 3He atoms are featured in this review. The precise analyses of 3He and other nuclei resonance frequencies show linear dependencies on gas density. Extrapolation of t...

  • Article
  • Open Access
1 Citations
2,211 Views
16 Pages

Electric Field-Induced Nano-Assembly Formation: First Evidence of Silicon Superclusters with a Giant Permanent Dipole Moment

  • Fatme Jardali,
  • Jacqueline Tran,
  • Frédéric Liège,
  • Ileana Florea,
  • Mohamed E. Leulmi and
  • Holger Vach

26 July 2023

The outstanding properties of silicon nanoparticles have been extensively investigated during the last few decades. Experimental evidence and applications of their theoretically predicted permanent electric dipole moment, however, have only been repo...

  • Article
  • Open Access
9 Citations
5,568 Views
14 Pages

Study of HgOH to Assess Its Suitability for Electron Electric Dipole Moment Searches

  • Ramanuj Mitra,
  • V. Srinivasa Prasannaa,
  • Bijaya K. Sahoo,
  • Nicholas R. Hutzler,
  • Minori Abe and
  • Bhanu Pratap Das

19 January 2021

In search of suitable molecular candidates for probing the electric dipole moment (EDM) of the electron (de), a property that arises due to parity and time-reversal violating (P,T-odd) interactions, we consider the triatomic mercury hydroxide (HgOH)...

  • Article
  • Open Access
36 Citations
5,364 Views
17 Pages

8 July 2020

The dielectric properties of six refined edible oils with different fatty-acid compositions were determined for oils incubated at 180 °C up to 40 h. The oil degradation was evaluated by the dielectric dispersion and dielectric loss in the frequen...

  • Article
  • Open Access
17 Citations
3,117 Views
12 Pages

Modeling of Self-Assembled Peptide Nanotubes and Determination of Their Chirality Sign Based on Dipole Moment Calculations

  • Vladimir Bystrov,
  • Alla Sidorova,
  • Aleksey Lutsenko,
  • Denis Shpigun,
  • Ekaterina Malyshko,
  • Alla Nuraeva,
  • Pavel Zelenovskiy,
  • Svitlana Kopyl and
  • Andrei Kholkin

16 September 2021

The chirality quantification is of great importance in structural biology, where the differences in proteins twisting can provide essentially different physiological effects. However, this aspect of the chirality is still poorly studied for helix-lik...

  • Article
  • Open Access
3 Citations
1,474 Views
23 Pages

17 July 2024

The electronic absorption spectral characteristics of cycloimmonium ylids with a zwitterionic structure have been analyzed in forty-three solvents with different hydrogen bonding abilities. The two ylids lack fluorescence emission but are very dynami...

  • Feature Paper
  • Article
  • Open Access
53 Citations
7,755 Views
10 Pages

5 January 2018

We propose a very sensitive method for measuring the electric dipole moment of the electron using polar molecules embedded in a cryogenic solid matrix of inert-gas atoms. The polar molecules can be oriented in the z ^ -direction by an applied...

  • Article
  • Open Access
7 Citations
2,703 Views
33 Pages

Effective Dipole Moment Model for Axially Symmetric C3v Molecules: Application to the Precise Study of Absolute Line Strengths of the ν6 Fundamental of CH335Cl

  • Oleg Ulenikov,
  • Elena Bekhtereva,
  • Olga Gromova,
  • Anna Fomchenko,
  • Yulia Morzhikova,
  • Sergei Sidko,
  • Christian Sydow and
  • Sigurd Bauerecker

The effective dipole moment model for molecules of axial C3v symmetry is derived on the basis of the symmetry properties of a molecule which, on the one hand, is of the same order of efficiency (but much simpler and clearer in applications) as the an...

  • Article
  • Open Access
2 Citations
4,015 Views
20 Pages

The Role of Relativistic Many-Body Theory in Electron Electric Dipole Moment Searches Using Cold Molecules

  • V. S. Prasannaa,
  • A. Sunaga,
  • M. Abe,
  • M. Hada,
  • N. Shitara,
  • A. Sakurai and
  • B. P. Das

10 June 2019

In this review article, we survey some of our results pertaining to the search for the electric dipole moment of the electron (eEDM), using heavy polar molecules. In particular, we focus on the relativistic coupled cluster method (RCCM) and its appli...

  • Brief Report
  • Open Access
6 Citations
5,792 Views
6 Pages

Explaining the Microtubule Energy Balance: Contributions Due to Dipole Moments, Charges, van der Waals and Solvation Energy

  • Ahmed Taha Ayoub,
  • Michael Staelens,
  • Alessio Prunotto,
  • Marco A. Deriu,
  • Andrea Danani,
  • Mariusz Klobukowski and
  • Jack Adam Tuszynski

22 September 2017

Microtubules are the main components of mitotic spindles, and are the pillars of the cellular cytoskeleton. They perform most of their cellular functions by virtue of their unique dynamic instability processes which alternate between polymerization a...

  • Article
  • Open Access
27 Citations
5,022 Views
10 Pages

Role of Resultant Dipole Moment in Mechanical Dissociation of Biological Complexes

  • Maksim Kouza,
  • Anirban Banerji,
  • Andrzej Kolinski,
  • Irina Buhimschi and
  • Andrzej Kloczkowski

10 August 2018

Protein-peptide interactions play essential roles in many cellular processes and their structural characterization is the major focus of current experimental and theoretical research. Two decades ago, it was proposed to employ the steered molecular d...

  • Article
  • Open Access
2,522 Views
10 Pages

The energy level schema of the ground term of the nickel ion in NiCr2O4 was calculated. The parameters of the interaction with the electric field were determined, and the distribution pattern of the electric dipole moments over different positions of...

  • Feature Paper
  • Article
  • Open Access
15 Citations
3,343 Views
23 Pages

Computational and Spectral Means for Characterizing the Intermolecular Interactions in Solutions and for Estimating Excited State Dipole Moment of Solute

  • Dana Ortansa Dorohoi,
  • Dorina Emilia Creanga,
  • Dan Gheorghe Dimitriu,
  • Ana Cezarina Morosanu,
  • Antonina Gritco-Todirascu,
  • Gabriel Grigore Mariciuc,
  • Nicoleta Puica Melniciuc,
  • Elena Ardelean and
  • Corina Cheptea

4 August 2020

The results obtained both in quantum chemical computation and in solvatochromic study of pyridinium di-carbethoxy methylid (PCCM) are correlated in order to estimate the electric dipole moment in the excited state of this molecule. This estimation is...

  • Article
  • Open Access
2 Citations
2,682 Views
14 Pages

2 March 2023

Electric Dipole Moments (EDM) of particles (leptons, nucleons, and light nuclei) are currently deemed one of the best indicators for new physics, i.e., phenomena which lie outside the Standard Model (SM) of elementary particle physics—so-called...

  • Article
  • Open Access
2 Citations
2,027 Views
13 Pages

21 September 2024

The dielectric constant of aviation turbine fuel is leveraged by aircraft fuel quantity indicator systems (FQISs) using the Clausius–Mossotti relation, which assumes no significant dipole moments. For fossil-derived jet fuel containing relative...

  • Article
  • Open Access
4 Citations
3,032 Views
15 Pages

25 February 2023

Aggregates of organic dyes that exhibit excitonic coupling have a wide array of applications, including medical imaging, organic photovoltaics, and quantum information devices. The optical properties of a dye monomer, as a basis of dye aggregate, can...

  • Article
  • Open Access
9 Citations
3,520 Views
9 Pages

29 July 2021

Herein, the spontaneous polarization in crystals with hexagonal symmetry are calculated as a function of the number of monolayers composing a nanostructure by adding the dipole moments for consecutive units of the nanostructure. It is shown that in t...

  • Article
  • Open Access
6 Citations
5,059 Views
15 Pages

For single-molecule toroics (SMTs) based on noncollinear Ising spins, intramolecular magnetic dipole–dipole coupling favours a head-to-tail vortex arrangement of the semi-classical magnetic moments associated with a toroidal ground state. Howev...

  • Article
  • Open Access
23 Citations
5,507 Views
15 Pages

20 January 2021

The aggregation ability and exciton dynamics of dyes are largely affected by properties of the dye monomers. To facilitate aggregation and improve excitonic function, dyes can be engineered with substituents to exhibit optimal key properties, such as...

  • Article
  • Open Access
3 Citations
2,734 Views
8 Pages

Electric Properties of Molecule Zr2Fe Based on the Full Relativistic Theory

  • Jiangfeng Song,
  • Li Zhang,
  • Xianggang Kong,
  • Xiaoyu Hu,
  • Daqiao Meng and
  • Zhenghe Zhu

21 March 2019

The present work is devoted to the study of the electric properties: electric dipole moment, electric quadrupole moment, electric field gradients and electric dipole polarizability of molecule Zr2Fe on base of the full relativistic theory with basis...

  • Article
  • Open Access
5,478 Views
9 Pages

Intrinsic Delocalization during the Decay of Excitons in Polymeric Solar Cells

  • Weikang Chen,
  • Deyao Jiang,
  • Renai Chen,
  • Sheng Li and
  • Thomas F. George

30 November 2016

In bulk heterojunction polymer solar cells, external photoexcitation results in localized excitons in the polymer chain. After hot exciton formation and subsequent relaxation, the dipole moment drives the electron to partially transfer to extended or...

  • Article
  • Open Access
15 Citations
3,771 Views
11 Pages

Living in a world of resonances, there have been significant progresses in the field of excitation of pronounced and multifunctional moments across a wide range of optical frequencies. Among all acknowledged resonances, the toroidal multipoles have r...

  • Communication
  • Open Access
1 Citations
1,850 Views
10 Pages

Within the framework of the light-cone QCD sum rules method (LCSR’s), the radiative Δ(1600)→γN decay is studied. In particular, the magnetic dipole moment GM1(0) and the electric quadrupole moment GE1(0) are estimated. We also calculate the ratio REM...

  • Article
  • Open Access
35 Citations
4,924 Views
11 Pages

Electrical Properties of Membrane Phospholipids in Langmuir Monolayers

  • Anna Chachaj-Brekiesz,
  • Jan Kobierski,
  • Anita Wnętrzak and
  • Patrycja Dynarowicz-Latka

13 January 2021

Experimental surface pressure (π) and electric surface potential (ΔV) isotherms were measured for membrane lipids, including the following phosphatidylcholines (PCs)—1,2-dipalmitoyl-sn-glycero-3-phosphocholine (DPPC); 1,2-distearoyl-sn...

  • Article
  • Open Access
1 Citations
1,971 Views
10 Pages

Liquid-Crystalline Order in the Phosphorus-Containing DenDrimers

  • Victor Furer,
  • Alexandr Vandyukov,
  • Jean-Pierre Majoral,
  • Anne-Marie Caminade and
  • Valery Kovalenko

25 November 2022

The structure of phosphorus-containing dendrimers has been studied by IR spectroscopy and optical polarization microscopy. The repeating units of dendrimer molecules are mesogens. This property arises from the conjugation of the aromatic ring and the...

  • Article
  • Open Access
1,820 Views
14 Pages

3 July 2022

We have investigated, in a previous work, the transition dipole moments (TDM) of the 13 1Σ+ states of the (SrK)+ molecular ion by using the ab initio method based on the pseudo-potential approach. The radiative lifetimes for all vibrational lev...

  • Article
  • Open Access
21 Citations
4,988 Views
14 Pages

Mitochondria Play Essential Roles in Intracellular Protection against Oxidative Stress—Which Molecules among the ROS Generated in the Mitochondria Can Escape the Mitochondria and Contribute to Signal Activation in Cytosol?

  • Daisuke Masuda,
  • Ikuo Nakanishi,
  • Kei Ohkubo,
  • Hiromu Ito,
  • Ken-ichiro Matsumoto,
  • Hiroshi Ichikawa,
  • Moragot Chatatikun,
  • Wiyada Kwanhian Klangbud,
  • Manas Kotepui and
  • Hideyuki J. Majima
  • + 10 authors

19 January 2024

Questions about which reactive oxygen species (ROS) or reactive nitrogen species (RNS) can escape from the mitochondria and activate signals must be addressed. In this study, two parameters, the calculated dipole moment (debye, D) and permeability co...

  • Article
  • Open Access
5 Citations
3,314 Views
21 Pages

Physical Mechanism of One-Photon Absorption, Two-Photon Absorption, and Electron Circular Dichroism of 1,3,5 Triazine Derivatives Based on Molecular Planarity

  • Xiangtao Chen,
  • Xiaoyan Shi,
  • Fuming Yang,
  • Xiqing Zhang,
  • Rui Dai,
  • Yan Jia,
  • Ningte Yan,
  • Sixuan Li,
  • Zihan Wang and
  • Zhongzhu Liang

11 June 2023

We provide a method to regulate intramolecular charge transfer (ICT) through distorting fragment dipole moments based on molecular planarity and intuitively investigate the physical mechanisms of one-photon absorption (OPA), two-photon absorption (TP...

  • Article
  • Open Access
4 Citations
2,915 Views
43 Pages

10 May 2023

The boundary conditions are crucial for numerical methods. This study aims to contribute to this growing area of research by exploring boundary conditions for the discrete unified gas kinetic scheme (DUGKS). The importance and originality of this stu...

  • Article
  • Open Access
5 Citations
4,792 Views
9 Pages

Retention of Halogenated Solutes on Stationary Phases Containing Heavy Atoms

  • Toshio Miwa,
  • Atsushi Yamamoto,
  • Mitsuru Saito and
  • Yoshinori Inoue

6 May 2013

To examine the effects of weak intermolecular interactions on solid-phase extraction (SPE) and chromatographic separation, we synthesized some novel stationary phases with a heavy atom effect layer by immobilizing halogenated aromatic rings and hydro...

  • Feature Paper
  • Article
  • Open Access
18 Citations
3,285 Views
16 Pages

30 March 2020

We present state-of-the-art string-based relativistic general-excitation-rank configuration interaction and coupled cluster calculations of the electron electric dipole moment, the nucleon–electron scalar-pseudoscalar, and the magnetic hyperfin...

  • Article
  • Open Access
21 Citations
8,357 Views
12 Pages

31 March 2014

Three calix[4]arene (Cal-4) derivatives which separately contain ethylester (1), carboxylic acid (2), and crownether (3) at the lower rim with a common reactive thiol at the upper rim were synthesized and constructed to self-assembled monolayers (SAM...

  • Article
  • Open Access
5 Citations
3,879 Views
27 Pages

On the Solvatochromism of Fluorescein Sodium

  • Corina Cheptea,
  • Alexandru Zara,
  • Ecaterina Ambrosi,
  • Ana Cezarina Morosanu,
  • Maria Diaconu,
  • Mihaela Miron,
  • Dana Ortansa Dorohoi and
  • Dan Gheorghe Dimitriu

30 May 2024

Fluorescein sodium is a very important compound for a wide spectrum of applications, from which medical applications prevail. Despite this, there are very few studies in the literature related to the structure and fundamental properties of fluorescei...

  • Article
  • Open Access
1,205 Views
19 Pages

25 July 2025

In this work, a comprehensive theoretical investigation is carried out to explore the electronic and spectroscopic properties of selected diatomic molecular ions MgRb+ and SrRb+. Using high-level ab initio calculations based on a pseudopotential appr...

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