|
Figure 6
Crystal structures of ammonia. (a) P213 phase (stable at 1–6 GPa, Z = 4); (b) P21/c phase (stable at 6–8.5 GPa, Z = 4); (c) P212121 phase (stable at 8.5–60 GPa, Z = 4). |
|
Figure 6
Crystal structures of ammonia. (a) P213 phase (stable at 1–6 GPa, Z = 4); (b) P21/c phase (stable at 6–8.5 GPa, Z = 4); (c) P212121 phase (stable at 8.5–60 GPa, Z = 4). |