Energetics and spectroscopic studies of CNO (‐)(H 2 O) n clusters and the temperature dependencies of the isomers: An approach based on a combined recipe of …

P Naskar, S Talukder - Journal of Computational Chemistry, 2024 - Wiley Online Library
A system associated with several number of weak interactions supports numerous number
of stable structures within a narrow range of energy. Often, a deterministic search method …

An adaptive mutation simulated annealing based investigation of Coulombic explosion and identification of dissociation patterns in (CO 2) n 2+ clusters

P Naskar, S Talukder, P Chaudhury - Physical Chemistry Chemical …, 2017 - pubs.rsc.org
In this communication, we would like to discuss the advantages of adaptive mutation
simulated annealing (AMSA) over standard simulated annealing (SA) in studying the …

An investigation on the structure, spectroscopy and thermodynamic aspects of Br 2 (−)(H 2 O) n clusters using a conjunction of stochastic and quantum chemical …

P Naskar, P Chaudhury - Physical Chemistry Chemical Physics, 2016 - pubs.rsc.org
In this work we obtained global as well as local structures of Br2 (−)(H2O) n clusters for n= 2
to 6 followed by the study of IR-spectral features and thermochemistry for the structures. The …

Mapping out reaction paths for conformational changes in (M g O) n clusters: a study based on a stochastic procedure

RH Mirdha, P Naskar, P Chaudhury - Structural Chemistry, 2018 - Springer
Clusters can exhibit enormous structural diversities and in most cases with the increase in
size, the number of conformers that can be supported by the potential energy surface …

Predicting stability limits for pure and doped dicationic noble gas clusters undergoing coulomb explosion: A parallel tempering based study

S Ghorai, P Chaudhury - Journal of Computational Chemistry, 2018 - Wiley Online Library
We have used a replica exchange Monte‐Carlo procedure, popularly known as Parallel
Tempering, to study the problem of Coulomb explosion in homogeneous Ar and Xe …

Role of the vibrational contribution in Coulomb explosion of dicationic neon gas clusters: a parallel tempering based study

S Ghorai, P Naskar, P Chaudhury - Physical Chemistry Chemical …, 2018 - pubs.rsc.org
The problem of Coulomb explosion in dicationic neon gas clusters has been investigated
with special emphasis on the role of the vibrational contribution. The problem has been …

Controlling the isomerization dynamics of iodide acetonitrile dimer complex by optimally designed electromagnetic field: A wave packet based approach

P Naskar, S Talukder, S Ghosh… - International Journal of …, 2019 - Wiley Online Library
Both symmetric and asymmetric forms of the iodide acetonitrile dimer complex are known to
exist with a higher stability shown by the symmetric isomer. Dynamics of this isomerization …

Insights into the application of polyhydroxyalkanoates derivatives from the combination of experimental and simulation approaches

MG Torres, E Villarreal-Ramírez, MAM Bernal… - Journal of Molecular …, 2019 - Elsevier
The combination of spectroscopy studies with simulation models can be a useful tool to
predict the applications of macromolecules. However, it is currently unknown if applications …

Structural, spectroscopic and thermodynamic aspects of azide–water clusters: an approach using a conjugated prescription of stochastic and quantum chemical …

P Naskar, R Roy, S Talukder, P Chaudhury - Molecular Physics, 2018 - Taylor & Francis
In this work, we have used the stochastic search strategy of adaptive mutation simulated
annealing (AMSA) as the search tool to explore quantum chemical potential energy to find …

Structural and spectroscopic aspects of SCN(-)(H2O)n clusters and the temperature dependency of the isomers: a parallel tempering based approach

P Naskar - Molecular Physics, 2019 - Taylor & Francis
In this work, parallel tempering has been used to explore the quantum chemical surface of
SCN (−)(H 2 O) n system for n= 1− 8. The stretching frequencies and more specifically the …