4 Nb 0.186044124887217 0.040045929771670 0.139076420006977 Nb 1.760739566805576 1.411237695809899 0.053332653522290 Nb 1.226299735039555 0.146619652059878 1.472693278264732 Nb -0.216249983631574 1.722541559706121 1.349533079807834