PHONON DISPERSION RELATIONS DATABASE
alpha-SiO_2
Space group: P3_221, No=154
Structural Parameters [1]: a=4.913A c=5.4052A
| Atoms |
x |
y |
z |
| Si |
0.4699 |
0.0000 |
2/3 |
| O |
0.4141 |
0.2681 |
0.7854 |
Phonon dispersion relations measured by neutron scattering [2] and calculated from
force constant model with 7 parameters [3].
References
- 1. R.J.Hill et all,
J.Solid State Chem.
47, 185-200 (1983).
- 2. H.Grimm, H.Rzany, B.Dorner, H.Jagodzinski,
Priv. commun. (1978).
- 3. M.M.Elcombe,
Proc.Phys.Soc. (London) 91, 947 (1967).
