Table 1.

Comparison of the fitted potential energy surfaces and ab initio benchmark electronic energy calculations

Parameter	Interpretation	Value
R	Reward from mutual cooperation	$U(0.25,2.5)$
S	C reward when encountering D	$R-zR,\hspace{0.17em}z\sim U({10}^{-2},1)$
T	D award when encountering C	$zR,\hspace{0.17em}z\sim U(2,7)$
P	Punishment from mutual defection	$S-zS,\hspace{0.17em}z\sim U({10}^{-2},1)$
μ	Per capita mortality rate	U(0,  1)

Nomenclature for the TSs refers to the numbered species in the table.