code: def get_summary_dict(self):
          
          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
docs: Returns a dict with a summary of the computed properties.