Structure (IMAGE) St. Petersburg State University Caption The structure of the associates of iodopentafluorobenzene with mesityl isocyanide, established by X-ray diffraction at the Research Park of St. Petersburg State University. Credit SPbU Usage Restrictions None License Licensed 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.