| Glycine (cm−1) | [Ru(Cl)3(H2O)2(gly)] (cm−1) | Bands assignments |
| 3166 | 3093 | νs (N-H) |
| 3118 - 2875 | 3035 - 2823 | νa (N-H) + νsh (C-H) |
| 2930 | 2869 | ν (CH2) |
| 2120 | 2167 | δsc (CH2) |
| 1603 | 1664 | δa (COO−) |
| 1408 | 1388 | δs (COO−) |
| 1584 | 1571 | δ ( ) |
| 1525 | 1490 | δs ( ) |
| 1436 | 1441 | δ (CH2) |
| 1332 | 1334 - 1322 | ρw (CH2) |
| 1130 - 1110 | 1155 - 1110 | ρr ( ) |
| 1030 | 1043 | ν(C-N) + ν(C-C) |
| 910 | 927 | ρr (CH2) |
| 892 | 889 | ν (CCN) |
| 694 | 684 | ρw (COO−) |
| 603 | 607 | δ (COO−) |