NSM Archive - Diamond (C) - Basic Parameters
Basic Parameters at 300 K
| Crystal structure | Diamond |
| Group of symmetry | Oh7-Fd3m |
| Number of atoms in 1 cm3 | 1.764·1023 |
| Debye temperature | 1860 K |
| Density | 3.515 g/cm3 |
| Dielectric constant (102-104 Hz) | 5.7 |
| Effective electron masses ml(at 85 K) | 1.40 mo |
| Effective electron masses mt (at 85 K) | 0.36 mo |
| Effective hole masses mh(at 1.2 K) | 2.12 mo |
| Effective hole masses mlp (at 1.2 K) | 0.70 mo |
| Effective hole masses split-off mso | 1.06 mo |
| Lattice constant | 3.567A |
| Optical phonon energy | 0.16 eV |