title: Comment on "Doubly hybrid density functional xDH-PBE0 from a parameter-free global hybrid model PBE0" [J. Chem. Phys. 136, 174103 (2012)].
authors.affiliation: Department of Organic Chemistry, Weizmann Institute of Science, 76100 Reḥovot, Israel.
authors.forename: Manoj K
authors.initials: MK
authors.lastname: Kesharwani
authors.affiliation: Department of Chemistry, Ben-Gurion University of the Negev, 84105 Beer Sheva, Israel.
authors.forename: Sebastian
authors.initials: S
authors.lastname: Kozuch
authors.affiliation: Department of Organic Chemistry, Weizmann Institute of Science, 76100 Reḥovot, Israel.
authors.forename: Jan M L
authors.initials: JM
authors.lastname: Martin