Table 2. Minimum sample size required to satisfy given variability thresholds for bond-length distributions (mean bond-length distributions).
Ion configurations with multi-modal bond-length distributions (here caused by lone-pair stereoactivity) are shown in bold font.
| Sample size (parent population) | Mean bond valence (v.u.) | Mean bond length (±0.005 Å) | Skewness (±0.2) and kurtosis (±0.6) | Reference | |
|---|---|---|---|---|---|
| [6]Na+ | 920 | 0.17 | 200 | 225 (400) | Gagné & Hawthorne (2016 ▸) |
| [8]Bi3+ | 84 | 0.38 | 70 | 7 (60) | Gagné & Hawthorne (2018a ▸) |
| [8]La3+ | 78 | 0.38 | 20 | 30 (60) | Gagné (2018 ▸) |
| [6]Ti4+ | 298 | 0.67 | 20 | 115 (130) | This work |
| [6]I5+ | 77 | 0.83 | 40 | 2 (50) | Gagné & Hawthorne (2018b ▸) |
| [4]Si4+ | 2506 | 1 | 25 | 70 (400) | Gagné & Hawthorne (2018a ▸) |
| [4]S6+ | 906 | 1.5 | 5 | 300 (700) | Gagné & Hawthorne (2018b ▸) |