Table 2. Hybrid RPA:PBE(+D) Adsorption Energies, ΔE_HL:LL,CPC(pbc), for CH₄/Pt(111) with RPA as High-Level (HL) and Different Dispersion Approaches as the Low-Level (LL) Methods^a.

ΔE/ kJ mol–1	PBE	PBE + MBD	PBE + dDsC	PBE + D3	PBE + D2
ΔELL(pbc)	–1.8	–13.6	–18.1	–22.3	–28.5
ΔELL, CPC(C)	–0.1	–10.3	–12.0	–16.8	–23.8
ΔEdisp(C)	-	–10.2	–11.8	–16.6	–23.7
ΔEHL,CPC(C)	-12.6	-12.6	-12.6	-12.6	-12.6
ΔHLCPC(C)	–12.5	–2.4	–0.7	4.1	11.2
ΔLR(pbc,C)	-1.7	-3.3	-6.2	-5.5	-4.7
ΔEHL:LL,CPC(pbc)b	–14.3	–16.0	–18.8	–18.1	–17.3
ΔERPA(pbc)c	–13.8
ΔEobs.29,35	–15.6

^aThe structure corresponds to the RPA minimum in Figure 4 with r(C–Pt) = 375 pm.

^bThis can be summed from E_LL(pbc) + ΔHL(C) (bold numbers) or E_HL(C) + ΔLR(pbc, C) (italics), cf. eq 2.

^cThis work.