SWNT 90+%, OD/ID: 1-2 nm Raman spectra
 

Frequency range of A1g radial breathing mode (RBM): 156 C 309 cm-1

Arithmetic average of RBM frequencies: 213 cm-1

Diameter range of single-walled nanotubes: 0.76-1.57 nm

Average diameter of single-walled nanotubes: 1.13 nm

[S. Rols et al., Eur. Phys. J. B 18, 201-205 (2000)]