Table 4.
Property | Values | Units | ||
---|---|---|---|---|
Unit cell dimensions[a] | 2.123 (2.107) | Å | ||
Space group |
Fm
|
|||
Optical permittivity | 3.14 | |||
Static permittivity | 10.0 | |||
Phonon frequency (intensity)[b] |
TO T 388.3 (9.29) |
LO (001) 693.7 |
cm−1((D/Å)2/amu) |
[a] The experimental values taken from Ref. 29 are given in brackets.
[b] The intensities are given in brackets, T indicates a triply degenerate mode.