4

Na      0.039267033551213      0.263219528694361     -0.157946673005075
Na      1.206592405290558      1.295102672925972      0.410033793260228
Na      1.784033150510827     -0.223745686389329      1.771346103533521
Na      0.065361092204289      1.238114624194177      1.787141835786332