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Table A.2.

Absolute energies at T = 0 K calculated at the DFT - B3LYP/6-31G(d) level (in Hartree)a.

Species E Species E Species E
SiO3 -515.06253 MgO2 -350.38592 Mg2O -475.40517
Mg2O2 -550.64069 MgSiO b -564.79813 MgSiO2 -640.10426
MgSiO3 -715.34519 Mg2SiO2 -840.22978 Mg2SiO3 -915.52110
Mg2SiO4b -990.77914

Notes. a Absolute energies are corrected for the zero-point energies; b Calculation is from Goumans & Bromley (2012).

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