| Compound | DO3A-APB-o (Neutral) | DO3A-APB-o (Acidic) | DO3A-APB-o (Basic) | DO3A-UO2 (VI) APB-o (Neutral) | DO3A-UO2 (VI) APB-o (Acidic) | DO3A-UO2 (VI) APB-o (Basic) |
| BO-H | 3787 | −3777 | 3789 | 3565 | 3545 | 3535 |
| C13-OH | 3436 | 3475 | - | 3448 | 3456 | - |
| Aromatic C-H | 3245 | 3247 | 3241 | 3309 | 3274 | 3263 |
| N6-H | 3473 | 3396 | 3469 | 3234 | 3282 | 3248 |
| C10-H | 3129 | 3175 | 3163 | 3200 | 3202 | 3100 |
| C13-O | 1795 | 1800 | 1583 | 1755 | 1750 | 1591 |
| C14-O | 1711 | 1920 | 1709 | 1682 | 1800 | 1684 |
| Aromatic C-C | 1687 | 1660 | 1687 | 1641 | 1701 | 1643 |
| C14-N6 | 1584 | 1550 | 1521 | 1607 | 1659 | 1606 |
| U-O | - | - | - | 864 | 861 | 825 |
| U-N | - | - | - | 742 | 740 | 756 |
| B-C | 1379 | 1381 | 1367 | 1372 | 1383 | 1367 |