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NMRD best-fit parameters for heteropodal TREN-bis-1,2-HOPO-TAM complexes.a
| Parameter | Gd-6 | Gd-7 | Gd-8 |
|---|---|---|---|
| Δ2 (s−2) | 1.3×1020 | 6.8×1019 | 7.9×1019 |
| τV (ps) | 16 | 17 | 21 |
| τR (ps) | 129 | 119 | 148 |
| τM (ns) | 2c | 2c | 2 ± 0.2b |
| rGd-H (Å)b | 3.1 | 3.1 | 3.1 |
| qc | 2 | 2 | 2 |
Experimental conditions: 25 °C, pH 7.4.
From VT 17O NMR data.
Fixed prior to fitting.
