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All results from a given calculation for CH3CO (Acetyl radical)

using model chemistry: HSEh1PBE/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at HSEh1PBE/cc-pVTZ
 hartrees
Energy at 0K-153.073775
Energy at 298.15K-153.076055
HF Energy-153.073775
Nuclear repulsion energy63.245372
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at HSEh1PBE/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3137 3015 7.99      
2 A' 3038 2920 6.96      
3 A' 1962 1886 158.57      
4 A' 1449 1393 22.38      
5 A' 1348 1295 16.72      
6 A' 1054 1013 15.30      
7 A' 880 846 4.16      
8 A' 470 452 5.25      
9 A" 3141 3019 0.54      
10 A" 1446 1389 12.65      
11 A" 947 910 0.01      
12 A" 113 109 1.10      

Unscaled Zero Point Vibrational Energy (zpe) 9492.1 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 9122.9 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at HSEh1PBE/cc-pVTZ
ABC
2.86181 0.33517 0.31756

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.961 -0.659 0.000
C2 0.000 0.489 0.000
O3 1.176 0.473 0.000
H4 -0.437 -1.617 0.000
H5 -1.604 -0.574 0.877
H6 -1.604 -0.574 -0.877

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6
C11.49752.41881.09271.09071.0907
C21.49751.17662.15162.11492.1149
O32.41881.17662.64023.09773.0977
H41.09272.15162.64021.79471.7947
H51.09072.11493.09771.79471.7541
H61.09072.11493.09771.79471.7541

picture of Acetyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 129.121 C2 C1 H4 111.375
C2 C1 H5 108.573 C2 C1 H6 108.573
H4 C1 H5 110.567 H4 C1 H6 110.567
H5 C1 H6 107.051
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability