17

C       -0.571671   -1.031911    0.000000 
C        0.656945   -1.902397    0.000000 
C        1.780062   -1.193667    0.000000 
C        1.520696    0.288806    0.000000 
C        0.000000    0.379382    0.000000 
C       -0.695455    1.510119    0.000000 
C       -2.188320    1.622336    0.000000 
H       -1.203598   -1.220531    0.874204 
H        0.604611   -2.982265    0.000000 
H        2.777083   -1.611679    0.000000 
H        1.959385    0.778675   -0.875106 
H        1.959385    0.778675    0.875106 
H       -1.203598   -1.220531   -0.874204 
H       -0.149320    2.449191    0.000000 
H       -2.542183    2.172516    0.876244 
H       -2.673126    0.647425    0.000000 
H       -2.542183    2.172516   -0.876244 
