Why TDDFT doesn't work even after running too long time


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Hello
I am a brand new user of NWchem. I am trying to run TDDFT with triplet transition of an Ir complexes, but unfortunately, it doesn't give any result even after running long time. I have done the same job already with Gaussian09. I have used following input, Would you please help me to find out any mistake. Mention that I wanna transition energy only.


start LH-201
charge 1

Title "TDDFT LH-201 pbe0/6-31G*"

geometry
C        -9.037785556873     -9.510911495981     -4.969118354110
C -7.674013396361 -9.233544080815 -5.020624368781
.
.
.
.
.
.
.
.
.
C        -8.077791554155    -13.154920287660    -21.198998412450
H -6.114287980164 -13.537121786477 -20.396350958644
H -9.998625607673 -12.461071743642 -21.887111271622
H -8.910497178121 -5.192409669076 -22.867930076921
H -8.207721932239 -14.161130469268 -21.586811031379
end

basis
 Ir library "LANL2DZ ECP"
c library 6-31G*
H library 6-31G*
N library 6-31G*
end

ecp
 Ir library  "LANL2DZ ECP"
end

DFT
 XC PBE0
end

TDDFT
 NROOTS 40
NOTRIPLET
end

TASK TDDFT energy