Some organic pollutants in snowpacks undergo faster photodegradation than in solution.
One possible explanation for such effect is that their UV–visible absorption spectra are …

Nitrate is a significant contaminant in Polar snow. Its photolysis in environmental sunlight
generates reactive nitrogen, which impacts the oxidative capacity of the atmosphere …

Snowpacks contain a wide variety of inorganic and organic compounds, including some that
absorb sunlight and undergo direct photoreactions. How the rates of these reactions in, and …

The electronic absorption spectra of pyridine and nicotine in aqueous solution have been
computed using a multistep approach. The computational protocol consists in studying the …

Predicting UV–visible absorption spectra is essential to understand photochemical
processes and design energy materials. Quantum chemical methods can deliver accurate …

Theoretical determinations of absorption cross sections (σ) in the gas phase and molar
extinction coefficients (ε) in condensed phases (water solution, interfaces or surfaces …

Anthocyanins are a broad family of natural dyes, increasingly finding application as
substitutes for artificial colorants in the food industry. In spite of their importance and …

The investigation of vibrational effects on absorption spectrum calculations often employs
Wigner sampling or thermal sampling. While Wigner sampling incorporates zero-point …

Photochemical reactions of contaminants in snow and ice can be important sinks for organic
and inorganic compounds deposited onto snow from the atmosphere and sources for …

Ground and excited state dipoles and polarizabilities of the chromophores N-methyl-6-
oxyquinolinium betaine (MQ) and coumarin 153 (C153) in solution have been evaluated …