Triolo A, Mandanici A, Russina O, Rodriguez-Mora V, Cutroni M, Hardacre C, Nieuwenhuyzen M, Bleif HJ, Keller L, Ramos MA. Thermodynamics, structure, and dynamics in room temperature ionic liquids: the case of 1-butyl-3-methyl imidazolium hexafluorophosphate ([bmim][PF6]). J Phys Chem B. 2006 Oct 26;110(42):21357–64. doi: 10.1021/jp062895t. PMID: 17048965.