4

Zr     -0.121106369019737      0.306862440318676      0.090205943823976
Cu      1.639185228201823      1.456776585843507      0.150506424564468
Zr      1.335429912000066     -0.287091692054071      1.256363212661450
Cu     -0.110205028070406      1.502399151070075      1.542789170664789