20
 
C     0.0000000   -0.7842119    0.4870298 
C     0.0000000    0.7842119    0.4870298 
C    -1.2407250    1.4167465   -0.1340541 
H    -0.0000000    1.0914546    1.5332924 
C     1.2407250    1.4167465   -0.1340541 
C     1.2407250   -1.4167465   -0.1340541 
C    -1.2407250   -1.4167465   -0.1340541 
H    -0.0000000   -1.0914546    1.5332924 
H     1.1999321   -2.4968260   -0.0082871 
H     1.3107097   -1.2059374   -1.1999296 
H     2.1582055   -1.0720738    0.3327865 
H    -1.1999321   -2.4968260   -0.0082871 
H    -2.1582055   -1.0720738    0.3327865 
H    -1.3107097   -1.2059374   -1.1999296 
H     1.1999321    2.4968260   -0.0082871 
H     2.1582055    1.0720738    0.3327865 
H     1.3107097    1.2059374   -1.1999296 
H    -1.1999321    2.4968260   -0.0082871 
H    -1.3107097    1.2059374   -1.1999296 
H    -2.1582055    1.0720738    0.3327865 
