

class AtomicObject(object):
    
    def __init__(self):
        self.speciesList=[]
        self.forcefields={}
#        twoAtomInteractions=
#        for species1 in speciesList:
#            for species2 in speciesList:
#                #form a grid of two atom interactions
#                twoAtomInteractions=[species1+'-'+]
#        #eventually extend to three atom interactions
#        
#    def removeCommutationSymmetry(self,list):
#        for item
        

    def getAvailableForceFields(self):
        pass
    
    def setForceField(self,atomsNForceField):
        for atom,fflabel in atomsNForceField.iteritems():
            atom
            
        
    
    