Gas-phase computational spectroscopy: The challenge of the molecular bricks of life

V Barone, C Puzzarini - Annual Review of Physical Chemistry, 2023 - annualreviews.org
Gas-phase molecular spectroscopy is a natural playground for accurate quantum-chemical
computations. However, the molecular bricks of life (eg, DNA bases or amino acids) are …

From Perception to Prediction and Interpretation: Enlightening the Gray Zone of Molecular Bricks of Life With the Help of Machine Learning and Quantum Chemistry

V Barone - Wiley Interdisciplinary Reviews: Computational …, 2025 - Wiley Online Library
The latest developments of a general exploration/exploitation strategy for the computational
study of molecular bricks of life in the gas‐phase are presented and illustrated by means of …

Benchmark structures and conformational landscapes of amino acids in the gas phase: A joint venture of machine learning, quantum chemistry, and rotational …

V Barone, M Fusè, F Lazzari… - Journal of Chemical …, 2023 - ACS Publications
The accurate characterization of prototypical bricks of life can strongly benefit from the
integration of high resolution spectroscopy and quantum mechanical computations. We …

Accurate Geometries of Large Molecules at DFT Cost by Semiexperimental and Coupled Cluster Templating Fragments

S Di Grande, F Lazzari, V Barone - Journal of Chemical Theory …, 2024 - ACS Publications
Accurate geometries of small semirigid molecules in the gas phase are available thanks to
high-resolution spectroscopy and accurate quantum chemical approaches. These results …

Semi-experimental equilibrium structure determinations by employing B3LYP/SNSD anharmonic force fields: Validation and application to semirigid organic …

M Piccardo, E Penocchio, C Puzzarini… - The Journal of …, 2015 - ACS Publications
This work aims at extending the semi-experimental (SE) approach for deriving accurate
equilibrium structures to large molecular systems of organic and biological interest. SE …

Quantum chemistry meets high-resolution spectroscopy for characterizing the molecular bricks of life in the gas-phase

V Barone - Physical Chemistry Chemical Physics, 2024 - pubs.rsc.org
Computation of accurate geometrical structures and spectroscopic properties of large
flexible molecules in the gas-phase is tackled at an affordable cost using a general …

DFT meets wave-function composite methods for characterizing cytosine tautomers in the gas phase

V Barone - Journal of Chemical Theory and Computation, 2023 - ACS Publications
A general strategy for the accurate computation of structural and spectroscopic properties of
biomolecule building blocks in the gas phase has been further improved and validated with …

A prevalent intraresidue hydrogen bond stabilizes proteins

RW Newberry, RT Raines - Nature chemical biology, 2016 - nature.com
Current limitations in de novo protein structure prediction and design suggest an incomplete
understanding of the interactions that govern protein folding. Here we demonstrate that …

Semiexperimental equilibrium structures for building blocks of organic and biological molecules: The B2PLYP route

E Penocchio, M Piccardo, V Barone - Journal of chemical theory …, 2015 - ACS Publications
The B2PLYP double hybrid functional, coupled with the correlation-consistent triple-ζ cc-
pVTZ (VTZ) basis set, has been validated in the framework of the semiexperimental (SE) …

Amino acid gas phase circular dichroism and implications for the origin of biomolecular asymmetry

C Meinert, AD Garcia, J Topin, NC Jones… - Nature …, 2022 - nature.com
Life on Earth employs chiral amino acids in stereochemical l-form, but the cause of
molecular symmetry breaking remains unknown. Chiroptical properties of amino acids …