4

Al      0.046837573415276      0.042632722106269      0.182923121326712
H       1.223698985874801      1.240438958703008      0.343319941575098
H       1.450080180300364      0.047973266591394      1.648321992349146
Al      0.259004909162066      1.380084938469760      1.756852970053352