The intensities and peak assignments of main Raman bands of Rhodamine Ba.
| Literature40–42 | Raman (cm−1) | SERS (cm−1) | Assignment |
|---|---|---|---|
| 619 S | 622.5 S | 629.5 S | ν(aromatic C–C) |
| 965–980 W | 978 W | 969 W | δ(ethylene C–H) |
| 1065–1085 W | 1080 M | 1086 M | δ(aromatic C–H) |
| 1130 W | 1115 W | 1126 W | δ(aromatic C–H) |
| 1199 M | 1198 S | 1203 S | δ(aromatic C–H) |
| 1284 S | 1281 S | 1287 S | δ(C–C) |
| 1360 S | 1359 S | 1363 S | ν(aromatic C–C) |
| 1508 S | 1508 S | 1511 S | ν(aromatic C–C) |
| 1591 W | 1595 W | 1600 S | ν(C C) |
| 1644 S | 1647 S | 1652 W | ν(aromatic C–C) |
a
ν: stretching, δ: deformation; W: weak; M: medium; S: strong.