4

Nb     -0.185742704050967     -0.011559350826601      0.032777132345812
Nb      1.399719742214522      1.373661359524982     -0.039023262478899
Nb      1.282193072803470      0.218138927456429      1.267160691478363
Nb      0.194102356536350      1.330964971965350      1.382011970594088