4

Nb     -0.115439063091987      0.152467974851211      0.288495410809519
Nb      1.395382984363584      1.584862293852076      0.205291355110356
Nb      1.472541300808414      0.202852706543189      1.569027970902219
Nb     -0.299572805913504      1.441575939190563      1.720582749681673