post-aragonite CaCO3-Pmmn
CaCO3
third-order Birch-Murnaghan · Cited · 2020
Why this differs from similar rows?
Table 1 row re-analyzing Lobanov et al. (2017) data (no pressure medium) under the Pt pressure scale of Fei et al. (2007), K' fixed to 4; sibling row re-analyzes Ono et al. (2005) data.
V₀
97.3
ų
Unit cell
K₀
135
GPa
Isothermal
K′
4
dimensionless
Volume (V₀)
| Value | Unit | Basis | Z |
|---|---|---|---|
| 97.3 | 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 |
|---|---|
| CaO | 1 |
| CO2 | 1 |
Formula: CaCO3
Conditions & method
- Tref
- 300 K
- Pref
- —
- Structure
- other / unspecified
- Method
- experiment (XRD / DAC / multianvil compression)XRD (No pressure medium)
- Sample
- Lobanov et al. (2017), refitted by Pt pressure scale (Fei et al. 2007) (Table 1)
Source
- Paper
- Thermal equation of state of post-aragonite CaCO3-Pmmn
- Authors
- Mingda Lv; Jiachao Liu; Eran Greenberg; Vitali B. Prakapenka; Susannah M. Dorfman
- DOI
- 10.2138/am-2020-7279
- Year
- 2020
- Journal
- American Mineralogist
- Origin
- Cited (quoted from earlier work)
Evidence from the paper
Table 1: 97.3(16) | 135(12) | 4 (fixed) | XRD (No PM) | Lobanov et al. (2017), Refitted by the pressure scale of Pt (Fei et al. 2007).