N_e = 4
minimum energy: 3.67423461417

       x               y               z
 0.4393322611	-0.7893858657	 0.4287856333	
 0.0462489881	 0.7841553613	 0.6188387516	
 0.4714526751	 0.2208925408	-0.8537791638	
-0.9570339040	-0.2156620717	-0.1938452411