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Post-stishovite (CaCl₂-type)
SiO2
unknown · Cited · 2019
Why this differs from similar rows?
Cites Andrault et al. (2003); other rows in this compilation cite different original studies (Fischer et al. 2018 in two variants; Buchen et al. 2018; Grocholski et al. 2013).
V₀
46.88
ų
Unit cell
K₀
282
GPa
Isothermal
K′
4.290
dimensionless
Volume (V₀)
| Value | Unit | Basis | Z |
|---|---|---|---|
| 46.88 | ų | Unit cell | — |
Reported value and unit are preserved as extracted. Z (formula units per cell) is not stored yet, so molar ↔ ų/f.u. conversion is not applied automatically.
Composition
| Oxide | Molar |
|---|---|
| SiO2 | 1 |
Formula: SiO2
Conditions & method
- Tref
- 300 K
- Pref
- —
- Structure
- CaCl2-type SiO2
- Method
- experiment (XRD / DAC / multianvil compression)high-pressure XRD (cited experimental study)
- Sample
- Andrault et al. (2003), Table 1 row
Source
- Paper
- High Pressure‐Temperature Study on the Thermal Equations of State of Seifertite…
- Authors
- Ningyu Sun; Weigang Shi; Zhu Mao; Cijin Zhou; Vitali B. Prakapenka
- DOI
- 10.1029/2019jb017853
- Year
- 2019
- Journal
- Journal of Geophysical Research Solid Earth
- Origin
- Cited (quoted from earlier work)
Evidence from the paper
Table 1: Andrault et al. (2003) 282 (1), 4.29, 46.88 (2)