Phase

Space Group

Lattice Parameters [Å]

Slab Width [Å]

Reference

LaH₂

P6/mmm

a = 2.80

c = 2.72

2.80

2.72

[19]

LaH₃

Cmcm

a = 2.74

c = 6.03

2.74

[19]

LaH₄

I4/mmm

a = 2.76

b = 10.69

c = 2.80

2.74

2.80

[19]

LaH₁₀

R $\overline{3}$ m

a = 3.66

c = 8.53

c/3 = 2.84

[19]

LaH₁₀

Fm $\overline{3}$ m

a = 5.1019

2.551

[1]

LaH₁₂

Fd3m

a = 6.64

a/2 = 3.32 $a\cdot \sqrt{2}$ /4 = 2.35

This work

LaH₁₆

P6/mmm

a = 3.68

c = 3.70

3.68

[19]