Table 1 Statistical information on the fitting of the PDF peaks as a function of pressure.

From: Tetracarbonates in silicate melts may be at the origin of a deep carbon reservoir in the deep Earth

P (GPa)

C-O (Å)

Mg-O (Å)

K-O (Å)

C-O (FWHM)

0

1.243 (2)

2.097 (2)

2.848 (6)

0.2915

33 (2)

1.185 (2)

1.939 (7)

2.621 (1)

0.3372

46 (3)

1.236 (1)

1.937 (3)

2.471 (2)

0.3144

85 (4)

1.323 (1)

1.979 (45)

2.406 (23)

0.3709

104 (4)

1.191 (3)

1.982 (8)

2.381 (3)

0.4381