Fixed transcription error for Sulfur experimental enthalpy of formation at 0K.
Fixed transcription error for Sulfur experimental enthalpy of formation at 0K.

Now matches http://www.gaussian.com/g_whitepap/thermo.htm

pierrelb/RMG-Py,comocheng/RMG-Py,KEHANG/RMG-Py,faribas/RMG-Py,nickvandewiele/RMG-Py,nyee/RMG-Py,pierrelb/RMG-Py,enochd/RMG-Py,KEHANG/RMG-Py,comocheng/RMG-Py,nickvandewiele/RMG-Py,chatelak/RMG-Py,nyee/RMG-Py,faribas/RMG-Py,enochd/RMG-Py,chatelak/RMG-Py