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: BLYP/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/6-31G**
 hartrees
Energy at 0K-193.056565
Energy at 298.15K-193.062851
HF Energy-193.056565
Nuclear repulsion energy119.184911
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 BLYP/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' 3643 3615 8.40      
2 A' 3180 3155 13.19      
3 A' 3084 3060 6.77      
4 A' 3075 3052 16.86      
5 A' 2971 2948 22.14      
6 A' 1676 1663 118.42      
7 A' 1470 1459 4.97      
8 A' 1426 1415 5.80      
9 A' 1387 1376 19.06      
10 A' 1333 1323 8.30      
11 A' 1173 1164 133.68      
12 A' 993 986 29.31      
13 A' 956 949 15.44      
14 A' 836 830 4.37      
15 A' 468 464 17.32      
16 A' 398 395 1.43      
17 A" 3020 2997 19.64      
18 A" 1450 1439 6.09      
19 A" 1050 1042 1.15      
20 A" 756 750 58.54      
21 A" 704 698 2.41      
22 A" 486 482 3.38      
23 A" 443 440 102.80      
24 A" 175 173 1.41      

Unscaled Zero Point Vibrational Energy (zpe) 18075.5 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 17936.3 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 BLYP/6-31G**
ABC
0.33007 0.29741 0.16118

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.931 -1.088 0.000
C2 0.000 0.099 0.000
C3 0.381 1.393 0.000
O4 -1.321 -0.322 0.000
H5 1.981 -0.765 0.000
H6 0.752 -1.719 0.886
H7 0.752 -1.719 -0.886
H8 1.437 1.662 0.000
H9 -0.344 2.212 0.000
H10 -1.890 0.474 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.50892.54142.37891.09801.10291.10292.79623.53773.2250
C21.50891.34911.38612.16142.15822.15822.12312.14061.9269
C32.54141.34912.41622.68673.25733.25731.08911.09362.4504
O42.37891.38612.41623.33142.65262.65263.39702.71560.9785
H51.09802.16142.68673.33141.79031.79032.48793.77734.0647
H61.10292.15823.25732.65261.79031.77303.56214.17623.5466
H71.10292.15823.25732.65261.79031.77303.56214.17623.5466
H82.79622.12311.08913.39702.48793.56213.56211.86323.5327
H93.53772.14061.09362.71563.77734.17624.17621.86322.3265
H103.22501.92692.45040.97854.06473.54663.54663.53272.3265

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 125.461 C1 C2 O4 110.443
C2 C1 H5 111.034 C2 C1 H6 110.488
C2 C1 H7 110.488 C2 C3 H8 120.724
C2 C3 H9 122.062 C2 O4 H10 107.914
C3 C2 O4 124.096 H5 C1 H6 108.867
H5 C1 H7 108.867 H6 C1 H7 106.987
H8 C3 H9 117.214
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.325      
2 C 0.347      
3 C -0.289      
4 O -0.496      
5 H 0.102      
6 H 0.115      
7 H 0.115      
8 H 0.075      
9 H 0.056      
10 H 0.299      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.155 0.512 0.000 0.535
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.995 -3.116 0.000
y -3.116 -24.455 0.000
z 0.000 0.000 -26.424
Traceless
 xyz
x 3.445 -3.116 0.000
y -3.116 -0.245 0.000
z 0.000 0.000 -3.200
Polar
3z2-r2-6.399
x2-y22.460
xy-3.116
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.781 0.168 0.000
y 0.168 7.205 0.000
z 0.000 0.000 3.170


<r2> (average value of r2) Å2
<r2> 81.599
(<r2>)1/2 9.033