4

Fe     -0.239892209604948     -0.004178387933152      0.059262183775036
Nb      1.221520488527253      1.737155362556166      0.027040101975650
C       1.282092935040093     -0.013432765454001      1.486889533691197
C       0.204700502888310      1.274937799582035      1.488797849421491