Liquid Surface Tension – A Material Property Database for organic liquids, ices, and solids on Titan

Surface tension expressions (_γl(T)) as a function of temperature of Titan-relevant organic liquids.

Species	Surface Tension, _γl(T) (mN/m)	Temp (K)	_γl(T_tri) (mN/m)	Ref.	γ_l^d(T_tri) (mN/m)	γ_l^p(T_tri) (mN/m)	Ref.
CH₄	37.432(1 − T/190.564)^1.09200	T_tri-T_cri	18.487	Yaws (2014)	18.487	0	Yaws (2014)
C₂H₆	49.630(1 − T /305.322)^1.20650	T_tri-T_cri	32.500	Yaws (2014)	32.500	0	Yaws (2014)
C₂H₄	53.198(1 − T /282.350)^1.27840	T_tri-T_cri	29.576	Yaws (2014)	29.576	0	Yaws (2014)
C₂H₂	56.510(1 − T /308.39)^1.13460	T_tri-T_cri	18.768	Yaws (2014)	18.768	0	Yaws (2014)
C₄H₂	68.107(1 − T /478.02)^1.22222	[T_tri]-[T_cri]	29.388	Yaws (2014)	29.388	0	Yaws (2014)
C₆H₆	71.970(1 − T /562.02)^1.23890	T_tri-T_cri	30.806	Yaws (2014)	30.806	0	Yaws (2014)
C₃H₈	49.179(1 − T /369.89)^1.22222	T_tri-T_cri	35.681	Yaws (2014)	35.681	0	Yaws (2014)
C₃H₆	53.547(1 − T /364.21)^1.20580	T_tri-T_cri	38.387	Yaws (2014)	38.387	0	Yaws (2014)
C₃H₄-a	49.123(1 − T /393.9)^1.16200	T_tri-T_cri	29.935	Yaws (2014)	29.935	0	Yaws (2014)
C₃H₄-p	57.277(1 − T /402.7)^1.18980	T_tri-T_cri	29.845	Yaws (2014)	29.845	0	Yaws (2014)
HCN	52.310(1 − T /456.65)^1.01980	T_tri-T_cri	22.169	Yaws (2014)	14.5	7.7	Yaws (2014)
HC₃N	25.5±1.9	T_tri	25.5±1.9	Yu et al. (2022)	24.2	1.3±1.9	Yu et al. (2023)
CO₂	79.971(1 − T /304.128)^1.2617	T_tri-T_cri	16.616	Yaws (2014)	16.616	0	Yaws (2014)
CH₃CN	68.332(1 − T /545.41)^1.09700	T_tri-T_cri	37.557	Yaws (2014)	23.9	13.7	Yu et al. (2023)
C₂H₅CN	62.590(1 − T /561.26)^1.13640	T_tri-T_cri	40.284	Yaws (2014)	27.9	12.4	Yu et al. (2023)
C₂H₃CN	63.112(1 − T /540.0)^1.07050	T_tri-T_cri	39.718	Yaws (2014)	27.5	12.2	Yu et al. (2023)
C₂N₂	73.193(1 − T /397.1)^1.20100	T_tri-T_cri	23.064	Yaws (2014)	23.064	0	Yaws (2014)
C₄N₂	46.2±2.5	T_tri	46.2±2.5	Yu et al. (2022)	46.2±2.5	0	Yu et al. (2023)