| Symbol | NH of amide | C=O B-lactam (Amide + ester) | C=N | COO Asym. (Sym) | H2O Lattice (coordinate) | M-O COO (H2O) | M-N (M-Cl) |
| LII | 3248 | 1744 (1656) | 1643 | 1621 (1377) | - | - | - |
| C7 Co(II) | 3250 | 1731 (1658) | 1633 | 1610 (1388) | 3526 (3325, 863, 760) | 552 (513) | 435 (378) |
| C8 Ni(II) | 3246 | 1733 (1654) | 1633 | 1614 (1387) | 3557 (3406, 864, 760) | 552 (513) | 482 (363) |
| C9 Cu(II) | 3250 | 1732 (1658) | 1633 | 1627 (1388) | 3526 (3337, 865, 760) | 579 (536) | 435 (363) |
| C10 Cd(II) | 3246 | 1730 (1658) | 1650 | 1641 (1389) | 3553 (3314, 863, 762) | 580 (556) | 439 (363) |
| C11 Pd(II) | 3246 | 1730 (1658) | 1650 | 1639 (1387) | 3490 | 580 (552) | 439 (363) |
| C12 Pt(IV) | 3250 | 1731 (1658) | 1652 | 1640 (1393) | 3470 | 540 (513) | 416 (366) |