Table 2.

Calculated elastic tensors and constants (in gigapascals) as well as Poisson’s ratio of Li₃SBF₄ from the acoustic branches (SI Methods)

Elastic tensor	Tensor value	Elastic constant	Constant value
c11	138	Poisson’s ratio (υ)	0.1
c12	17	Young’s modulus (E)	142
c44	46	Shear modulus (μ)	46