9
1,3-Dioxole
C  1.1835   -0.0000    0.0000 
C -1.0055    0.6728   -0.0000
C -1.0055   -0.6727    0.0000 
H  1.7604   -0.0000    0.9336 
H -1.7387    1.4496   -0.0000 
H -1.7387   -1.4495    0.0001 
H  1.7605    0.0000   -0.9335 
O  0.3076   -1.1666   -0.0001 
O  0.3076    1.1666   -0.0000 