10.6084/m9.figshare.7146419.v1 Xia Wu Xia Wu Data File 2.csv Optica Publishing Group 2018 Materials 2018-10-23 16:27:51 Dataset https://opticapublishing.figshare.com/articles/dataset/Data_File_2_csv/7146419 dispersion of the refractive indices of [EMIM][BrI2] measured at three different temperatures