Molecular Tailoring Approach for the Direct Estimation of Individual Noncovalent Interaction Energies in Molecular Systems

MB Ahirwar, SR Gadre… - The Journal of Physical …, 2024 - ACS Publications
The noncovalent interactions (NCIs) are omnipresent in chemistry, physics, and biology. The
study of such interactions offers insights into various physicochemical phenomena. Some …

Two-Step ONIOM Method for the Accurate Estimation of Individual Hydrogen Bond Energy in Large Molecular Clusters

MB Ahirwar, MM Deshmukh - The Journal of Physical Chemistry A, 2023 - ACS Publications
The study of molecular clusters to understand the properties of condensed systems has
been the subject of immense interest. To get insight into these properties, the knowledge of …

Hydrogen bond energy estimation (H‐BEE) in large molecular clusters: A Python program for quantum chemical investigations

MB Ahirwar, SS Khire, SR Gadre… - Journal of …, 2024 - Wiley Online Library
A procedure, derived from the fragmentation‐based molecular tailoring approach (MTA), has
been proposed and extensively applied by Deshmukh and Gadre for directly estimating the …

Quantum Mechanical Versus Polarizable Embedding Schemes: A Study of the Xray Absorption Spectra of Aqueous Ammonia and Ammonium

SD Folkestad, AC Paul… - Journal of Chemical …, 2024 - ACS Publications
The X-ray absorption spectra of aqueous ammonia and ammonium are computed using a
combination of coupled cluster singles and doubles (CCSD) with different quantum …

Interplay of Hydrogen, Pnicogen, and Chalcogen Bonding in X(H2O)n=1–5 (X = NO, NO+, and NO) Complexes: Energetics Insights via a Molecular Tailoring …

TM Ismail, D Patkar, PK Sajith… - The Journal of Physical …, 2023 - ACS Publications
Nitric oxide (NO) and its redox congeners (NO+ and NO–), designated as X, play vital roles
in various atmospheric and biological events. Understanding the interaction between X and …

Hydrogen bond strengths in microhydrated clusters of HNO and HONO: energetic insights via a molecular tailoring approach

TM Ismail, D Patkar, PK Sajith… - New Journal of …, 2024 - pubs.rsc.org
The strengths of various types of individual hydrogen bonds (HBs) present in microhydrated
clusters of HNO and HONO, ie, HNO (H2O) n and HONO (H2O) n (n= 1–4), were examined …

Fragments‐in‐fragments method for efficient and reliable estimates of individual hydrogen bond energies in large molecular clusters

MB Ahirwar, MM Deshmukh - Journal of Computational …, 2023 - Wiley Online Library
The knowledge of individual hydrogen bond (HB) strength in molecular clusters is
indispensable to get insights into the bulk properties of condensed systems. Recently, we …

On the Short-Range Nature of Cooperativity in Hydrogen-Bonded Large Molecular Clusters

MB Ahirwar, SR Gadre… - The Journal of Physical …, 2023 - ACS Publications
The variation in the hydrogen bond (HB) strength has considerable consequences on the
physicochemical properties of molecular clusters. Such a variation mainly arises due to the …

X-ray Absorption Spectra for Aqueous Ammonia and Ammonium: Quantum Mechanical versus Molecular Mechanical Embedding Schemes

SD Folkestad, AC Paul, R Paul, P Reinholdt… - arXiv preprint arXiv …, 2024 - arxiv.org
The X-ray absorption (XA) spectra of aqueous ammonia and ammonium are computed
using a combination of coupled cluster singles and doubles (CCSD) with different quantum …