4

Be     -0.232594883943598      0.466272194170044     -0.251535407941831
Be      1.587073581025487      1.708964874630525      0.229802438685106
Be      1.361520541925980      0.235693516545881      1.475044703539877
Be      0.111499628605039      1.773093563894118      1.271165653760367