Bonding Interaction	Real Space Functions						E_int (eV)
Bonding Interaction	ρ (r)	∇² (r)	G (r)	V (r)	−G/V	eta index	E_int (eV)
HL1-Al
Al∙∙∙C₁₈	0.0121	0.0136	0.0041	−0.0048	0.8508	0.2412	−0.0659
Al∙∙∙N₁₀	0.0742	0.4571	0.1195	−0.1247	0.9584	0.1744	−1.6961
Al∙∙∙O₂₅	0.0372	0.1797	0.0455	−0.0462	0.9866	0.1549	−0.6280
HL2-Al
Al∙∙∙C₁₈	0.0128	0.0137	0.0043	−0.0052	0.8331	0.2482	−0.0701
Al∙∙∙N₁₀	0.0719	0.4334	0.1133	−0.1182	0.9582	0.1748	−1.6087
Al∙∙∙O₂₅	0.0372	0.1765	0.0450	−0.0458	0.9818	0.1566	−0.6232
HL3-Al
Al∙∙∙C₁₈	0.0120	0.0136	0.0041	−0.0048	0.8545	0.2406	−0.0651
Al∙∙∙N₁₀	0.0747	0.4631	0.1210	−0.1263	0.9584	0.1743	−1.7181
Al∙∙∙O₂₅	0.0372	0.1807	0.0457	−0.0463	0.9880	0.1544	−0.6299
HL4-Al
Al∙∙∙C₁₈	0.0120	0.0136	0.0041	−0.0048	0.8539	0.2399	−0.0653
Al∙∙∙N₁₀	0.0747	0.4632	0.1210	−0.1263	0.9585	0.1743	−1.7183
Al∙∙∙O₂₅	0.0371	0.1799	0.0456	−0.0462	0.9873	0.1546	−0.6280
HL5-Al
Al∙∙∙C₁₈	0.0124	0.0137	0.0042	−0.0049	0.8455	0.2456	−0.0673
Al∙∙∙N₁₀	0.0741	0.4564	0.1193	−0.1244	0.9585	0.1744	−1.6929
Al∙∙∙O₂₅	0.0371	0.1791	0.0454	−0.0461	0.9861	0.1549	−0.6267