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All results from a given calculation for CH3COCH2 (Acetonyl radical)

using model chemistry: QCISD/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at QCISD/6-31G
 hartrees
Energy at 0K-191.665552
Energy at 298.15K-191.670208
HF Energy-191.263385
Nuclear repulsion energy110.019722
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 QCISD/6-31G
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' 3245 3127 6.40      
2 A' 3132 3018 5.64      
3 A' 3125 3011 7.78      
4 A' 3016 2907 7.89      
5 A' 1539 1483 5.43      
6 A' 1505 1451 19.00      
7 A' 1457 1404 20.78      
8 A' 1440 1387 19.44      
9 A' 1302 1255 45.59      
10 A' 1067 1028 3.38      
11 A' 967 932 3.43      
12 A' 828 798 0.58      
13 A' 520 502 14.65      
14 A' 394 380 1.54      
15 A" 3083 2971 17.67      
16 A" 1533 1478 9.76      
17 A" 1075 1036 2.64      
18 A" 713 687 39.54      
19 A" 505 487 0.64      
20 A" 393 378 0.16      
21 A" 60 58 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 15449.6 cm-1
Scaled (by 0.9636) Zero Point Vibrational Energy (zpe) 14887.3 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 QCISD/6-31G
ABC
0.35142 0.29466 0.16532

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.129 0.000
O2 0.604 1.267 0.000
C3 -1.444 0.079 0.000
C4 0.802 -1.174 0.000
H5 -2.010 1.012 0.000
H6 -1.987 -0.868 0.000
H7 1.874 -0.928 0.000
H8 0.570 -1.779 0.892
H9 0.570 -1.779 -0.892

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.28801.44451.52982.19542.22342.15122.18202.1820
O21.28802.36692.44812.62643.35732.53543.17383.1738
C31.44452.36692.57181.09111.09233.46682.88152.8815
C41.52982.44812.57183.56172.80621.09911.10321.1032
H52.19542.62641.09113.56171.88024.34123.90393.9039
H62.22343.35731.09232.80621.88023.86132.85722.8572
H72.15122.53543.46681.09914.34123.86131.79461.7946
H82.18203.17382.88151.10323.90392.85721.79461.7847
H92.18203.17382.88151.10323.90392.85721.79461.7847

picture of Acetonyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 119.302 C1 C3 H6 121.815
C1 C4 H7 108.724 C1 C4 H8 110.898
C1 C4 H9 110.898 O2 C1 C3 119.937
O2 C1 C4 120.401 C3 C1 C4 119.663
H5 C3 H6 118.884 H7 C4 H8 109.157
H7 C4 H9 109.157 H8 C4 H9 107.974
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability