Reference Label	Details
Gadzhiev 2013	O. B. Gadzhiev, S. K. Ignatov, M. Yu. Kulikov, A. M. Feigin, A. G. Razuvaev, P. G. Sennikov, and O. Schrems, J. Chem. Theory Computat. 9, 247–262 (2013) Structure, Energy, and Vibrational Frequencies of Oxygen Allotropes On (n <= 6) in the Covalently Bound and van der Waals Forms: Ab Initio Study at the CCSD(T) Level