Astrochemistry has made great progress in recent years.Especially the grain surface chemistry played important roles in the explanation of the formation of the
Reducing sizes of precious metals and utilization of the mixed small clusters of them as catalysts in reactions are important methods due to more active sites f
Criegee intermediates are of signi cance in the atmospheric chemistry.In this work,the rovibrational spectra of the simplest deuterated Criegee intermediate,CD2