Updated default binding energies for Pt(111).

Linear scaling relations are used to correct the Pt reference data
in the database, to new arbitrary metals. This is the presumption
for the reference point.
As provided by Katrin Blondal.

rmgpy/data/thermo.py

@@ -1264,7 +1264,7 @@ def getThermoData(self, species, trainingSet=None):
     def setDeltaAtomicAdsorptionEnergies(self, bindingEnergies):
         """
         Sets and stores the change in atomic binding energy between
-        the desired and the Ni(111) default.
+        the desired and the Pt(111) default.
 
         :param bindingEnergies: the required binding energies
         :return: None (stores result in self.deltaAtomicAdsorptionEnergy)
@@ -1277,13 +1277,14 @@ def setDeltaAtomicAdsorptionEnergies(self, bindingEnergies):
             'H': rmgpy.quantity.Energy(-2.778, 'eV/molecule'),
             'O': rmgpy.quantity.Energy(-4.485, 'eV/molecule')
         }
-        # These are for Pt, from Abild-Pedersen Phys Rev Lett 2007
+        # These are for Pt, from Katrin
         deltaAtomicAdosrptionEnergy = {
-            'C': rmgpy.quantity.Energy(-6.364, 'eV/molecule'),
-            'H': rmgpy.quantity.Energy(-2.778, 'eV/molecule'), # UNKNOWN!!! (using Ni value from Blaylock)
-            'O': rmgpy.quantity.Energy(-3.481, 'eV/molecule')
+            'C': rmgpy.quantity.Energy(-6.750, 'eV/molecule'),
+            'H': rmgpy.quantity.Energy(-2.479, 'eV/molecule'),
+            'O': rmgpy.quantity.Energy(-3.586, 'eV/molecule'),
+            'N': rmgpy.quantity.Energy(-4.352, 'eV/molecule'),
         }
-        for element in 'CHO':
+        for element in 'CHON':
             deltaAtomicAdosrptionEnergy[element].value_si =  bindingEnergies[element].value_si - deltaAtomicAdosrptionEnergy[element].value_si
         self.deltaAtomicAdsorptionEnergy = deltaAtomicAdosrptionEnergy