The investigation of structure and IR spectra for hydrated potassium ion clusters K+(H2O)n=1–16 by density functional theoryFayan Zhu, Hongxia Zhou, Yongquan Zhou, Juntao Miao, Chunhui Fang, Yan Fang, Pengchao Sun, Haiwen Ge and Hongyan LiuEur. Phys. J. D, 70 11 (2016) 246DOI: https://doi.org/10.1140/epjd/e2016-60529-7