4

Ar      0.184071831577695      0.061092397115115      0.168867471458979
Ar      0.798104207788831      0.703530766055471      0.115246691106573
Ar      0.612670393736817     -0.216962237497236      0.977250137902432
Ar     -0.034746314458628      0.492365986907924      0.984463329951108