Figure 2 (IMAGE) Institute for Basic Science Caption Holey graphyne (HGY) produced using bottom-up synthesis. The molecular structure of HGY is highly consistent with alternately linked benzene rings and C≡C bonds, comprised of six-vertex and highly strained eight-vertex rings and an equal percentage of sp2 and sp hybridized carbon atoms. Credit Institute for Basic Science Usage Restrictions Attribution Required License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.