C  
 C  1  1.335000 
 C  1  1.450000 2  109.471000  
 C  3  1.335000 1  120.000000  2 180.000000
 H  2  1.089000 1  120.000000  3 180.000000
 H  2  1.089000 1  120.000000  3 360.000000
 H  1  1.089000 2  120.000000  6 180.000000
 H  3  1.089000 1  120.000000  2 360.000000
 H  4  1.089000 3  120.000000  1 180.000000
 H  4  1.089000 3  120.000000  1 360.000000