#### A Neural Network PES for Protonated Water Cluster (H<sub>2</sub>O, H<sub>3</sub>O<sup>+</sup>, H<sub>5</sub>O<sub>2</sub><sup>+</sup>, H<sub>7</sub>O<sub>3</sub><sup>+</sup>, H<sub>9</sub>O<sub>4</sub><sup>+</sup>)

Reference:
[J. Chem. Theo. Comput. 16 88-99 (2020)](https://pubs.acs.org/doi/abs/10.1021/acs.jctc.9b00805) -
Preprint available on [arxiv](https://arxiv.org/abs/1908.08734).
