Table 3. Stable ZnCO₃ structure (Phase III) above 121 GPa.

Lattice parameters
	a (Å) = 8.67;	b (Å) = 3.62;	c (Å) = 5.63
	α(°) = 90.00;	β(°) = 90.00;	γ(°) = 90.00
	V (Å3) = 176.7
Atomic coordinates (space group P212121)
	Atom	X	Y	Z
	Zn	0.15	0.66	0.19
	C	0.03	0.54	0.61
	O1	0.05	0.17	0.08
	O2	0.34	0.60	0.02
	O3	0.07	0.80	0.78
Bond length (Å):
	Zn--O1 = 1.9; Zn--O2 = 2.03; Zn--O3 = 2.12
	C--O1 = 1.35; C--O2 = 1.39; C--O3 = 1.42
Third-order Birch–Murnaghan equation of state (fitted between 0 and 150 GPa)
	B0 (GPa) = 119.15 (±3.2)
	B′0 = 4.36 (±0.07)
	V0 (Å3) = 170.92 (±0.33)