7 
peroxycarbonate transition state 6-311+G**
 C   1.5700  -0.1193  -0.0293 
 O   0.7203   0.9270  -0.2058 
 O  -1.1175   0.7762   0.2538 
 O  -2.7547   0.1813  -0.1266 
 H  -2.3917  -0.7067   0.0372 
 O   2.8010   0.2673   0.0840 
 O   1.1725  -1.3257  -0.0133