4

Nb      0.281489134533454      0.052100008556937      0.261475170558833
Fe      1.507367785376969      1.505055816531102      0.178581111829789
C       1.583523721294892     -0.156237724169106      1.268205624941175
C       0.261111472070801      1.722326160387064      1.479270080388626