4

Nb     -0.245082652392555      0.165236169516201      0.183608372117365
Nb      1.629191362354069      1.450615471184623      0.145928548495298
Zr      1.116803419166105      0.203599850767824      1.250685422840780
Zr     -0.271778865795118      1.271632964753630      1.651540286486125