Correction

Abstract

CHEMISTRY Correction for “Calculation of thermodynamic hydricities and the design of hydride donors for CO2 reduction,” by James T. Muckerman, Patrick Achord, Carol Creutz, Dmitry E. Polyansky, and Etsuko Fujita which appeared in issue 39, September 25, 2012, of Proc Natl Acad Sci USA (109:15657–15662; first published July 23, 2012; 10.1073/pnas.1201026109). The authors note that on page 15659, left column, first paragraph, line 9, “−393.3 kcal/mol” should instead appear as “−391.4 kcal/ mol.” Additionally, on page 15659, left column, fourth full paragraph, line 4, “(266.5 kcal/mol)” should instead appear as “(−266.5 kcal/ mol).”Both the online article and print article have been corrected.