4

Nb      0.197145340359090     -0.001678986993094      0.100729843198322
Nb      1.519227747209901      1.451931350468432      0.178479390744114
Nb      1.228671579916364     -0.073284980761235      1.534959362555585
Nb      0.225520425506675      1.751162726645342      1.522063211636086