4

Sr      0.266937634229128     -0.221149229693448     -0.057126835328295
Sr      1.708497100642432      1.489157670358264     -0.136184842242808
Sr      1.691194259785820     -0.079336578148750      1.553182581855558
Sr      0.050870854591238      1.233138822724615      1.704536790963765