4

Zr      0.044309887980637     -0.255410727613491      0.049905066008643
Zr      1.612245438229779      1.371117540051481      0.187233731158696
Zr      1.450425208281805     -0.181542900963702      1.316017511949377
Zr      0.046845775259637      1.430533116915599      1.228094767381481