TY - JOUR AU - Evangelisti, Luca AU - Spada, Lorenzo AU - Li, Weixing AU - Blanco Rodríguez, Susana AU - López Alonso, Juan Carlos AU - Lesarri Gómez, Alberto Eugenio AU - Grabow, Jens-Uwe AU - Caminati, Walther PY - 2017 SN - 1463-9076 UR - http://uvadoc.uva.es/handle/10324/21845 AB - Upon supersonic expansion, formic acid and cyclobutanone (CBU) form a molecular cluster in which the two constituent molecules, linked by OH⋯O and CH⋯O hydrogen bonds, undergo a rapid interconversion between two equivalent forms. The tunneling motion... LA - eng PB - Royal Society of Chemistry KW - Physical chemistry TI - A butterfly motion of formic acid and cyclobutanone in the 1:1 hydrogen bonded molecular cluster DO - 10.1039/c6cp06941j ER -