4

As     -0.208140254069988      0.253868587159941      0.031523180154841
As      1.339807589556332      1.325236365899695      0.183647773583651
As      1.713620056905521      0.155695191760726      1.375642348878471
As     -0.055823935471958      1.667616742023597      1.432568650995495