Abstract:Hydrate crystals are excellent reference systems to learn
about
aqueous systems. We have created a database of density functional
theory (DFT)-optimized (optPBE-vdW) structures and vibrational frequencies
for 101 crystalline hydrate and hydroxide bulk systems and over 300
unique oscillators and use it to explore and discuss the tradeoff
between prediction accuracy and insight. Starting from a machine-learning
geometrical descriptor, we gradually include more physics/chemistry
flavor in the descriptor and exami… Show more
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