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  DampXH = Yes
  DampXHExponent = 4.53
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M. Gaus, Q. Cui, and M. Elstner. DFTB3: Extension of the Self-Consistent-Charge Density-Functional Tight-Binding Method (SCC-DFTB). J. of Chem. Theory Comput., 7:931¨C948,2011. 19, 20

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  ThirdOrderFull = Yes
  HubbardDerivs = {
    C = -0.1492
    O = -0.1575
    H = -0.1857
  }
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