4

At      0.015881122770270     -0.274674558922342      0.268552821116532
At      1.366670426667811      1.580542117221392      0.073473274932701
At      1.413561041177786     -0.174449858294058      1.537139047198767
At      0.238826897142102      1.321620015623191      1.751674848802022