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SUMMARY:Rules of Formation of H-C-N-O Compounds at High Pressure\, the Fat
 es of Planetary Ices - Lewis Conway
DTSTART:20220613T133000Z
DTEND:20220613T133000Z
UID:TALK175601@talks.cam.ac.uk
CONTACT:Chuck Witt
DESCRIPTION:The solar system’s outer planets\, and many of their moons\,
  are dominated by matter from the H–C–N–O chemical space\, based on 
 solar system abundances of hydrogen and the planetary ices H2O\, CH4\, and
  NH3. It is unclear how these mixtures will behave under the high pressure
 s found near the core-mantle boundary. If the molecules are to decompose\,
  what new materials will form? I will discuss ab initio techniques with cr
 ystal structure prediction to discover new stable compounds in the quatern
 ary H–C–N–O phase diagram. I will also discuss how these results hav
 e implications for the understanding of icy planetary interiors and the un
 derlying chemical trends that determine stability at these pressures.
LOCATION:Venue to be confirmed
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