Some examples demonstrating a correlation between the overall13C-chemical shielding (Σ13C) and the molecular mechanics steric energy observed for five-membered heterocycles are presented. © 1992.
Mikhova, B. P., Ivanov, P. M., & Spassov, S. L. (1992). An empirical correlation between steric energy and C-13 chemical shielding. Journal of Molecular Structure, 265(1–2), 225–229. https://doi.org/10.1016/0022-2860(92)80251-C