4

Al      0.017822110062636      0.031649633378096     -0.031272789338378
Al      1.514234288581913      1.622257140763163     -0.079365901875444
Al      1.443630514189093      0.045369531130238      1.761099812679708
Al     -0.033093371982468      1.690664597059001      1.754893345089638