Search Results - "Shridhar, R."
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Electrostatic Potential Topology for Probing Molecular Structure, Bonding and Reactivity
Published in Molecules (Basel, Switzerland) (01-06-2021)“…Following the pioneering investigations of Bader on the topology of molecular electron density, the topology analysis of its sister field viz. molecular…”
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Molecular Tailoring Approach: A Route for ab Initio Treatment of Large Clusters
Published in Accounts of chemical research (16-09-2014)“…Conspectus Chemistry on the scale of molecular clusters may be dramatically different from that in the macroscopic bulk. Greater understanding of chemistry in…”
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Molecular Tailoring Approach for the Estimation of Intramolecular Hydrogen Bond Energy
Published in Molecules (Basel, Switzerland) (14-05-2021)“…Hydrogen bonds (HBs) play a crucial role in many physicochemical and biological processes. Theoretical methods can reliably estimate the intermolecular HB…”
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Branched‐Tail Lipid Nanoparticles Potently Deliver mRNA In Vivo due to Enhanced Ionization at Endosomal pH
Published in Small (Weinheim an der Bergstrasse, Germany) (01-02-2019)“…The potential of mRNA therapeutics will be realized only once safe and effective delivery systems are established. Unfortunately, delivery vehicle development…”
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Quantum Chemical Investigations on Molecular Clusters
Published in Chemical reviews (24-12-2014)“…A look at quantum chemical investigations on molecular clusters is presented. The generation of gas phase molecular clusters and the classification of…”
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Direct and Reliable Method for Estimating the Hydrogen Bond Energies and Cooperativity in Water Clusters, W n , n = 3 to 8
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (20-08-2020)“…No direct method for estimating the individual O–H···O hydrogen bond (H-bond) energies in water clusters (W n ) exists in the literature. In this work, we…”
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Molecular Tailoring Approach for the Direct Estimation of Individual Noncovalent Interaction Energies in Molecular Systems
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (01-08-2024)“…The noncovalent interactions (NCIs) are omnipresent in chemistry, physics, and biology. The study of such interactions offers insights into various…”
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Vibrational infrared and Raman spectra of polypeptides: Fragments-in-fragments within molecular tailoring approach
Published in The Journal of chemical physics (21-03-2016)“…The present work reports the calculation of vibrational infrared (IR) and Raman spectra of large molecular systems employing molecular tailoring approach…”
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Cluster-in-Cluster Approach for Computing MP2-Level Vibrational Infrared Spectra of Large Molecular Clusters
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (09-05-2024)“…Constructing the Hessian matrix (HM) for large molecules demands huge computational resources. Here, we report a cluster-in-cluster (CIC) procedure for…”
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Electrostatics for probing lone pairs and their interactions
Published in Journal of computational chemistry (05-04-2018)“…The value of the molecular electrostatic potential minimum (Vmin) and its topographical features (position, as well as the eigenvalues and eigenvectors of the…”
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On the Short-Range Nature of Cooperativity in Hydrogen-Bonded Large Molecular Clusters
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (25-05-2023)“…The variation in the hydrogen bond (HB) strength has considerable consequences on the physicochemical properties of molecular clusters. Such a variation mainly…”
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Combining fragmentation method and high-performance computing: Geometry optimization and vibrational spectra of proteins
Published in The Journal of chemical physics (28-07-2023)“…Exploring the structures and spectral features of proteins with advanced quantum chemical methods is an uphill task. In this work, a fragment-based molecular…”
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Molecular electrostatics for probing lone pair-π interactions
Published in Physical chemistry chemical physics : PCCP (14-11-2013)“…An electrostatics-based approach has been proposed for probing the weak interactions between lone pair containing molecules and π deficient molecular systems…”
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Development and testing of an algorithm for efficient MP2/CCSD(T) energy estimation of molecular clusters with the 2–body approach
Published in Journal of computational chemistry (30-01-2023)“…This work reports the development and testing of an automated algorithm for estimating the energies of weakly bound molecular clusters employing correlated…”
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Lone Pairs: An Electrostatic Viewpoint
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (16-01-2014)“…A clear-cut definition of lone pairs has been offered in terms of characteristics of minima in molecular electrostatic potential (MESP). The largest eigenvalue…”
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Electrostatics-Assisted Building-Up Procedure for Capturing Energy Minima of Metal Clusters: Test Case of Ag n Clusters
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (12-09-2019)“…Global geometry optimization of metal clusters is an important problem in nanophysics. The starting geometries of the clusters generated with empirical or…”
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Electrostatic Potential for Exploring Electron Delocalization in Infinitenes, Circulenes, and Nanobelts
Published in Journal of organic chemistry (07-04-2023)“…The π-conjugation, aromaticity, and stability of the newly synthesized 12-infinitene and of other infinitenes comprising 8-, 10-, 14-, and 16-arene rings are…”
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Antiaromaticity–Aromaticity Interplay in Fused Benzenoid Systems Using Molecular Electrostatic Potential Topology
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (15-07-2021)“…The phenomenon of antiaromaticity–aromaticity interplay in aromatic–antiaromatic (A–aA)-fused systems is studied using molecular electrostatic potential (MESP)…”
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