Assertion: compound's structure | /r/HasProperty | compressed at room temperature
Facets:
Source sentences:
text: When compressed at room temperature, this Bi-I structure changes first to the monoclinic Bi-II at 2.55 GPa, then to the tetragonal Bi-III at 2.7 GPa, and finally to the body-centered cubic Bi-IV at 7.7 GPa.