Table 2.

The average enhancement factors for 1,4-BDT and 4-MBT adsorbed on nanocubes of 46 nm in edge length^a.

molecule	bandb	mode	nanocube	std. dev.
1,4-BDT	1561	8a  Ag	5.7 × 105	5.8 × 103
	1183	9a  Ag	4.9 × 105	4.4 × 103
4-MBT	1593	8a  Ag	6.1 × 105	8.4 × 103
	1072	7a  Ag	4.4 × 105	7.7 × 103

^aThe average EFs were calculated for the 8 a vibrational mode (1561 cm⁻¹) and the 9a vibrational mode (1183 cm⁻¹) of 1,4-benzenedithiol (1,4-BDT); the 8a vibrational mode (1593 cm⁻¹) and the 7a vibrational mode (1072 cm⁻¹) of 4-methyl benzenethiol (4-MBT).

^bWavenumber in cm⁻¹.