private float calcRotationRadiusForAtoms(Point3f center) {
		float maxRadius = 0;
		for (int i = atomCount; --i >= 0;) {
			Atom atom = atoms[i];
			float distAtom = center.distance(atom);
			float radiusVdw = atom.getVanderwaalsRadiusFloat();
			float outerVdw = distAtom + radiusVdw;
			if (outerVdw > maxRadius)
				maxRadius = outerVdw;
		}
		return maxRadius;
	}