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#ifndef UTILS_PHYSICALCONSTANTS_HPP | 
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#define UTILS_PHYSICALCONSTANTS_HPP | 
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#include "config.h" | 
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#include <cmath> | 
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namespace OpenMD { | 
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 | 
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     *      kcal mol^-1 Angstrom^-1 fs^-1 Kelvin^-1 | 
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     */ | 
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    const RealType thermalConductivityConvert = 1.439326479e-5;  | 
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    /* Atomic Units are used in the Slater overlap code, and we need | 
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     * to get distances back and forth to angstroms and energies back  | 
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     * and forth to kcal / mol  | 
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     */ | 
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    const RealType angstromToBohr = 1.88972612; | 
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    const RealType bohrToAngstrom = 0.52917721092; | 
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    const RealType hartreeToKcal   = 627.509469; | 
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  } | 
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} | 
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#endif  |