The Indigo Molecule Revisited Again: Assessment of the Minnesota Family of Density Functionals for the Prediction of Its Maximum Absorption Wavelengths in Various Solvents

Table 1

Maximum absorption wavelengths of the indigo molecule (in nm) calculated using the Minnesota density functionals in several solvents.

Solvent	M05	M05-2X	M06	M06L	M06-2X	M06-HF	Exp.
DMSO	614	562	610	667	565	518	620±1
Ethanol	606	556	606	662	559	514	608±2
TCE	597	546	593	652	549	503	613±8
Chloroform	585	535	581	637	538	493	605±3
CCl4	565	535	581	637	538	493	605±3
Benzene	565	518	562	617	518	476	595±5