4

Pt     -0.185657645059130     -0.038464078173545      0.202708148694938
Pt      1.778983467138537      1.280073879314853      0.218233272897999
Pt      1.357443960707293     -0.138319715517639      1.389188973323938
Pt     -0.248099019710695      1.006043164930536      1.339223553634737