4

Na      0.254745917167690     -0.298152664628675     -0.131618912994190
Na      1.472310686394612      1.254791097408891      0.018163551025173
Na      1.438451035171763      0.010224618400669      1.237953714806092
Na      0.150232221327031      1.590302423936512      1.727466362105786