4

Nb      0.082864682102773      0.208226248144174     -0.076601231154615
Nb      1.710343846605546      1.310685169461090      0.001633150104507
Nb      1.331710502175451      0.008294484773520      1.597798387156085
Nb     -0.082013855369811      1.774983079212989      1.584782256602156