Computational challenges in Astrochemistry

M Biczysko, J Bloino, C Puzzarini - Wiley Interdisciplinary …, 2018 - Wiley Online Library
Cosmic evolution is the tale of progressive transition from simplicity to complexity. The
newborn universe starts with the simplest atoms formed after the Big Bang and proceeds …

Accurate biomolecular structures by the nano-LEGO approach: Pick the bricks and build your geometry

G Ceselin, V Barone, N Tasinato - Journal of Chemical Theory and …, 2021 - ACS Publications
The determination of accurate equilibrium molecular structures plays a fundamental role for
understanding many physical–chemical properties of molecules, ranging from the precise …

Structural features of the carbon–sulfur chemical bond: a semi-experimental perspective

E Penocchio, M Mendolicchio… - Canadian journal of …, 2016 - cdnsciencepub.com
In this work, semi-experimental (SE) and theoretical equilibrium geometries of 10 sulfur-
containing organic molecules, as well as 4 oxygenated ones, are determined by means of a …

Global warming potential estimates for the C–C hydrochlorofluorocarbons (HCFCs) included in the Kigali Amendment to the Montreal Protocol

DK Papanastasiou, A Beltrone… - Atmospheric …, 2018 - acp.copernicus.org
Hydrochlorofluorocarbons (HCFCs) are ozone depleting substances and potent greenhouse
gases that are controlled under the Montreal Protocol. However, the majority of the 274 …

The spectroscopic characterization of halogenated pollutants through the interplay between theory and experiment: application to R1122

A Pietropolli Charmet, G Ceselin, P Stoppa, N Tasinato - Molecules, 2022 - mdpi.com
In the last decade, halogenated ethenes have seen an increasing interest for different
applications; in particular, in refrigeration, air-conditioning and heat pum**. At the same …

An integrated experimental and quantum-chemical investigation on the vibrational spectra of chlorofluoromethane

AP Charmet, P Stoppa, N Tasinato… - The Journal of …, 2013 - pubs.aip.org
The vibrational analysis of the gas-phase infrared spectra of chlorofluoromethane (CH 2 ClF,
HCFC-31) was carried out in the range 200–6200 cm− 1. The assignment of the absorption …

On the competition between weak OH⋯ F and CH⋯ F hydrogen bonds, in cooperation with CH⋯ O contacts, in the difluoromethane–tert-butyl alcohol cluster

L Spada, N Tasinato, G Bosi, F Vazart, V Barone… - Journal of molecular …, 2017 - Elsevier
Abstract The 1: 1 complex of tert-butyl alcohol with difluoromethane has been characterized
by means of a joint experimental-computational investigation. Its rotational spectrum has …

In Vitro and In Silico Vibrational–Rotational Spectroscopic Characterization of the Next-Generation Refrigerant HFO-1123

N Tasinato, A Pietropolli Charmet… - The Journal of …, 2022 - ACS Publications
Very short-lived substances have recently been proposed as replacements for
hydrofluorocarbons (HFCs), in turn being used in place of ozone-depleting substances, in …

Accurate vibrational–rotational parameters and infrared intensities of 1-Bromo-1-fluoroethene: a joint experimental analysis and ab initio study

A Pietropolli Charmet, P Stoppa… - The Journal of …, 2017 - ACS Publications
The medium-resolution gas-phase infrared (IR) spectra of 1-bromo-1-fluoroethene (BrFC
CH2, 1, 1-C2H2BrF) were investigated in the range 300–6500 cm–1, and the vibrational …

Study of the vibrational spectra and absorption cross sections of 1-chloro-1-fluoroethene by a joint experimental and ab initio approach

A Pietropolli Charmet, P Stoppa… - The Journal of …, 2016 - ACS Publications
The gas-phase infrared spectra of 1-chloro-1-fluoroethene (geminal chloro-fluoroethene,
ClFC CH2, 1, 1-C2H2ClF) were recorded at medium resolution in the range of 400–6400 …