@article {71236, title = {Millimeter-Wave Spectroscopy, X-ray Crystal Structure, and Quantum Chemical Studies of Diketene: Resolving Ambiguities Concerning the Structure of the Ketene Dimer}, journal = {Journal of Physical Chemistry A}, volume = {120}, number = {39}, year = {2016}, month = {Oct}, pages = {7753-7763}, isbn = {1089-5639}, doi = {10.1021/acs.jpca.6b07610}, author = {Orr, V. L. and Brian Esselman and Dorman, P. M. and Amberger, B. K. and I. A. Guzei and R C Woods and R. J. McMahon} }