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: CCSD(T)/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD(T)/aug-cc-pVDZ
 hartrees
Energy at 0K-192.659479
Energy at 298.15K-192.665808
HF Energy-191.963919
Nuclear repulsion energy119.050537
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 CCSD(T)/aug-cc-pVDZ
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' 3790 3648        
2 A' 3252 3130        
3 A' 3146 3028        
4 A' 3135 3017        
5 A' 3027 2914        
6 A' 1707 1643        
7 A' 1473 1418        
8 A' 1447 1393        
9 A' 1395 1342        
10 A' 1347 1296        
11 A' 1210 1165        
12 A' 1009 972        
13 A' 964 928        
14 A' 852 820        
15 A' 467 450        
16 A' 397 383        
17 A" 3097 2981        
18 A" 1454 1399        
19 A" 1051 1011        
20 A" 791 762        
21 A" 706 680        
22 A" 478 460        
23 A" 418 402        
24 A" 182 175        

Unscaled Zero Point Vibrational Energy (zpe) 18397.0 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 17707.1 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 CCSD(T)/aug-cc-pVDZ
ABC
0.32934 0.29656 0.16083

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.958 -1.069 0.000
C2 0.000 0.096 0.000
C3 0.348 1.407 0.000
O4 -1.313 -0.352 0.000
H5 2.000 -0.712 0.000
H6 0.787 -1.697 0.893
H7 0.787 -1.697 -0.893
H8 1.403 1.694 0.000
H9 -0.405 2.204 0.000
H10 -1.901 0.418 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.50752.54912.38131.10201.10541.10542.79813.54513.2217
C21.50751.35641.38752.15752.15202.15202.12662.14711.9277
C32.54911.35642.41942.68703.25943.25941.09311.09702.4565
O42.38131.38752.41943.33332.64912.64913.40052.71280.9685
H51.10202.15752.68703.33331.80011.80012.47933.78054.0615
H61.10542.15203.25942.64911.80011.78633.56044.17603.5347
H71.10542.15203.25942.64911.80011.78633.56044.17603.5347
H82.79812.12661.09313.40052.47933.56043.56041.87853.5412
H93.54512.14711.09702.71283.78054.17604.17601.87852.3296
H103.22171.92772.45650.96854.06153.53473.53473.54122.3296

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 125.687 C1 C2 O4 110.613
C2 C1 H5 110.577 C2 C1 H6 109.940
C2 C1 H7 109.940 C2 C3 H8 120.111
C2 C3 H9 121.766 C2 O4 H10 108.505
C3 C2 O4 123.700 H5 C1 H6 109.269
H5 C1 H7 109.269 H6 C1 H7 107.794
H8 C3 H9 118.124
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability