return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C3H6O (Acetone enol)

using model chemistry: MP4=FULL/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4=FULL/6-311G**
 hartrees
Energy at 0K-192.765314
Energy at 298.15K-192.771644
HF Energy-191.988199
Nuclear repulsion energy119.972643
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 MP4=FULL/6-311G**
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' 3850 3702        
2 A' 3268 3142        
3 A' 3163 3041        
4 A' 3160 3039        
5 A' 3056 2938        
6 A' 1718 1652        
7 A' 1504 1446        
8 A' 1464 1408        
9 A' 1426 1371        
10 A' 1380 1327        
11 A' 1225 1178        
12 A' 1029 990        
13 A' 978 940        
14 A' 866 833        
15 A' 474 456        
16 A' 402 387        
17 A" 3126 3006        
18 A" 1483 1426        
19 A" 1075 1034        
20 A" 749 721        
21 A" 721 693        
22 A" 481 462        
23 A" 408 393        
24 A" 178 171        

Unscaled Zero Point Vibrational Energy (zpe) 18591.9 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 17876.1 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 MP4=FULL/6-311G**
ABC
0.33403 0.30132 0.16327

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.883 -1.118 0.000
C2 0.000 0.096 0.000
C3 0.435 1.370 0.000
O4 -1.324 -0.267 0.000
H5 1.938 -0.833 0.000
H6 0.673 -1.729 0.886
H7 0.673 -1.729 -0.886
H8 1.497 1.587 0.000
H9 -0.257 2.210 0.000
H10 -1.843 0.543 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.50102.52822.36471.09361.09671.09672.77403.51793.1921
C21.50101.34651.37272.14962.13802.13802.11312.12961.8966
C32.52821.34652.40322.66723.23263.23261.08401.08852.4238
O42.36471.37272.40323.31082.62892.62893.37602.69720.9628
H51.09362.14962.66723.31081.78591.78592.45993.75254.0243
H61.09672.13803.23262.62891.78591.77223.53044.14383.5048
H71.09672.13803.23262.62891.78591.77223.53044.14383.5048
H82.77402.11311.08403.37602.45993.53043.53041.86193.4997
H93.51792.12961.08852.69723.75254.14384.14381.86192.3007
H103.19211.89662.42380.96284.02433.50483.50483.49972.3007

picture of Acetone enol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 125.123 C1 C2 O4 110.666
C2 C1 H5 110.910 C2 C1 H6 109.799
C2 C1 H7 109.799 C2 C3 H8 120.398
C2 C3 H9 121.634 C2 O4 H10 107.298
C3 C2 O4 124.211 H5 C1 H6 109.241
H5 C1 H7 109.241 H6 C1 H7 107.789
H8 C3 H9 117.969
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability