Silicon
McMahon M I, Nelmes R J
Physical Review B47 (1993) 8337-8340
New high-pressure phase of Si
Locality: synthetic
Sample: structure exists between 13 GPa to 18 GPa
Note: intermediate structure between those of Si II and Si V
_database_code_amcsd 0015170
4.737 4.502 2.550 90 90 90 Imma
atom x   y    z
Si   0 .25 .193