Peer instruction questions for DFT

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What are advantages of DFT over HF?

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Transcript of Peer instruction questions for DFT

Page 1: Peer instruction questions for DFT

What  are  advantages  of  DFT  over  HF?  

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What  are  advantages  of  DFT  over  MP2?  

Page 3: Peer instruction questions for DFT

What  are  advantages  of  MP2  over  DFT?  

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What  is  a  LDA  func<onal  and  give  an  example?  

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What  is  a  GGA  func<onal  and  give  an  example?  

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What  is  a  hybrid  func<onal  and  name  an  example?  

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What  is  a  meta-­‐GGA  func<onal  and  name  an  example?  

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Source:  hGp://vergil.chemistry.gatech.edu/notes/dJ-­‐parrish-­‐2010.pdf  

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Why  don’t  I  get  the  exact  energy  from  DFT?  

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Is  DFT  varia<onal?  

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Why  can’t  we  compare  DFT  energies  from  different  programs?  

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Source:  hGp://vergil.chemistry.gatech.edu/notes/dJ-­‐parrish-­‐2010.pdf  

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How  do  I  find  the  best  func<onal  for  my  project?