public void destroy() {
		super.destroy();
		for (Atom a : atom) {
			a.initializeMovieQ(-1);
			a.initializeRadicalQ(-1);
			a.initializeExcitationQ(-1);
			a.setModel(null);
			a = null;
		}
		electronicDynamics = null;
		updateGrid = null;
		neighborList = null;
	}