. Author manuscript; available in PMC: 2013 Feb 1.

Published in final edited form as: J Am Chem Soc. 2012 Jan 18;134(4):1914–1917. doi: 10.1021/ja208779k

Table 1.

Trajectories started from 5^‡employing superheavy carbons.

isotope	total runs	mode 3 positive 3': 3 : recrossec	mode 3 negative 3': 3 : recrossed	3'/ 3
¹⁴⁰C	11092	39.3 : 1.3 : 59.5	1.3 : 48.2 : 50.5	0.820
⁷⁶C	7112	40.5 : 1.0 : 58.5	0.6 : 47.3 : 52.1	0.852
⁴⁴C	5860	40.2 : 0.6 : 59.1	0.7 : 45.3 : 54.1	0.889
²⁸C	10366	40.1 : 0.8 : 59.1	0.8 : 43.4: 56.1	0.915
			extrapolated to ¹³C:	0.990(3)
			exoerimental:	0.993m