8

 O     -5.970000   -1.231000   -1.011000  
 H     -5.096000   -1.789000   -0.686000  
 C     -7.093000   -1.758000   -0.569000  
 O     -7.250000   -2.737000    0.144000  
 C     -8.327000   -0.966000   -1.118000  
 F     -8.476000   -1.182000   -2.453000  
 F     -9.466000   -1.347000   -0.503000  
 F     -8.190000    0.384000   -0.939000  
