Comparison of mean bond-length ranges for PJTE-active cations bonded to N3−vs. O2−.
| Ion configuration | Electronic configuration | Sample size bonded to N3−/O2−a | Mean bond-length range bonded to N3−/O2−a (Å) |
|---|---|---|---|
| [4] V 5+ | d0 | 1/345 | 0.038/0.118 |
| [4] Cr 6+ | d0 | 2/169 | 0.024/0.120 |
| [6]Zn2+ | d10 | 1/193 | 0/0.169 |
| [6]Y3+ | d0 | 5/25 | 0.096/0.081 |
| [4]Nb5+ | d0 | 10/2 | 0.049/0.117 |
| [6]Nb5+ | d0 | 2/240 | 0/0.290 |
| [4] Mo 6+ | d0 | 11/434 | 0.068/0.069 |
| [6] Cd 2+ | d10 | 4/135 | 0.067/0.140 |
| [8]Hf4+ | d0 | 1/7 | 0.295/0.163 |
| [4]Ta5+ | d0 | 5/0b | 0.0464/— |
| [4]W6+ | d0 | 26/35 | 0.124/0.053 |
a
Oxide data taken from Gagné & Hawthorne.58
b
Not observed bonded to O2−.