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Calculated bond lengths of HB-DPPA and HB-DOPO moieties.
| Bonds | Bond Length (Å) | Bonds | Bond Length (Å) | ||
|---|---|---|---|---|---|
| h-HB-DPPA | h-HB-DPPAr | HB-DOPO | HB-DOPOr | ||
| P23–C3 | 1.796 | 1.798 | P21–C8 | 1.808 | 1.816 |
| P23–C8 | 1.796 | 1.797 | P21–O23 | 1.654 | 1.668 |
| P23=O22 | 1.503 | 1.516 | P21=O22 | 1.489 | 1.500 |
| P23–C24 | 1.881 | - | P21–C24 | 1.863 | - |
