

class physConstants:
    def __init__(self):
        self.Hartree2eV = 27.2113834
        self.AU2A = 0.5291772083
        self.ev2j = 1.60217733e-19
        self.bolkEV = 8.6173857e-5
        self.bolk = self.bolkEV*self.ev2j
        self.planck = 6.62608e-34
        self.amutokg = 1.66053886e-27
        self.cl = 2.997925e08
        self.Avogadro = 6.0221413e23
        self.angst2m = 1e-10
