The old C2DA.ASC is made up of C2DA12.ASC, C2DA13.ASC, and C2DA33.ASC 
merged.  C2DA12.ASC has been replaced by C2DA12BROOKE.ASC which is 
reformatted from

Brooke, J.S.A., Bernath, P.F., Schmidt, T.W., and Bacskay, G.B. 2012.  
        Arxiv:1212.2102v2.

Energies have been changed from 3a ground to X ground by adding 1536.0731 
to the energies after Amiot, Chauville, and Maillard 1979.  J Mol. Spect. 
75, 19-40.

C2DA12.ASC, C2DA13.ASC, and C2DA33.ASC have been slightly reformatted by 
changing upper case from keypunching to lower case.

C2DABROOKEK.ASC is C2DA12BROOKE.ASC, C2DA13.ASC, and C2DA33.ASC merged.