def get_summary_dict(self):
        """
        Returns a dict with a summary of the computed properties.
        """
        d = defaultdict(list)
        d["pressure"] = self.pressure
        d["poisson"] = self.poisson
        d["mass"] = self.mass
        d["natoms"] = int(self.natoms)
        d["bulk_modulus"] = self.bulk_modulus
        d["gibbs_free_energy"] = self.gibbs_free_energy
        d["temperatures"] = self.temperatures
        d["optimum_volumes"] = self.optimum_volumes
        for v, t in zip(self.optimum_volumes, self.temperatures):
            d["debye_temperature"].append(self.debye_temperature(v))
            d["gruneisen_parameter"].append(self.gruneisen_parameter(t, v))
            d["thermal_conductivity"].append(self.thermal_conductivity(t, v))
        return d
Returns a dict with a summary of the computed properties.