CrystEngComm is a peer-reviewed online-only scientific journal publishing original research and review articles on all aspects of crystal engineering including properties, polymorphism, target materials, and crystalline nanomaterials. It is published biweekly by the Royal Society of Chemistry and the editor-in-chief is Jamie Humphrey. According to the Journal Citation Reports, the journal has a 2014 impact factor of 4.034, ranking it second out of 23 journals in the category "Crystallography".