CCL:G: TDDFT question

[Ramon Crehuet <rcsqtc*o*iqac.csic.es>]

 Sent to CCL by: Ramon Crehuet [rcsqtc() iqac.csic.es]
 Dear all,
I do not know how to interpret some TDDFT results calculated with
 gaussian 09
 and CAM-B3LYP functional.
 If I calculate triplet excited states from the ground state singlet,
 their
 energies are very close (in eV):
 3.3, 3.4, 3.5, 3.5, 3.5, 3.6
If I calculate the lowest triplet state with CAM-B3LYP, it lies 4.2eV
 above the
 singlet. Is the error of 0.9eV normal? (this triplet corresponds to a
 pi-pi*
 excitation in a pyridine)
 If, from this triplet, I calculate with TDDFT more triplet excited
 states, I get
 the energies:
 0.7, 1.2, 2.0, 2.3, 2.5, 2.7
 So all the close-lying triplets found before are gone.
My system contains 2 Au atoms coordinated to phosphines and pyridines
 (through a
 triple CC bond). I can tell you more structural details if you need
 them.
 I am thankful to any advice,
 Ramon