def METHOD_NAME(self):
    """Return mode Grueneisen parameters calculated on sampling mesh."""
    if self._mesh is None:
        return None
    else:
        return (
            self._mesh.get_qpoints(),
            self._mesh.get_weights(),
            self._mesh.get_frequencies(),
            self._mesh.get_eigenvectors(),
            self._mesh.get_gruneisen(),
        )