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: HSEh1PBE/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 HSEh1PBE/6-31G
 hartrees
Energy at 0K-192.862904
Energy at 298.15K-192.869364
HF Energy-192.862904
Nuclear repulsion energy119.807511
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/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' 3708 3547 13.23      
2 A' 3306 3162 11.89      
3 A' 3203 3064 5.03      
4 A' 3193 3054 13.48      
5 A' 3076 2942 15.56      
6 A' 1761 1685 119.80      
7 A' 1535 1468 12.71      
8 A' 1494 1429 2.74      
9 A' 1462 1398 27.48      
10 A' 1408 1347 11.75      
11 A' 1207 1155 162.44      
12 A' 1048 1003 30.25      
13 A' 1000 957 17.30      
14 A' 880 842 11.60      
15 A' 480 459 20.91      
16 A' 413 395 2.44      
17 A" 3148 3011 13.51      
18 A" 1517 1451 11.46      
19 A" 1119 1070 6.14      
20 A" 877 839 101.66      
21 A" 732 700 7.70      
22 A" 512 489 2.23      
23 A" 466 446 166.03      
24 A" 174 166 1.98      

Unscaled Zero Point Vibrational Energy (zpe) 18857.8 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 18039.4 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/6-31G
ABC
0.33137 0.30274 0.16299

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.019 -0.988 0.000
C2 0.000 0.100 0.000
C3 0.255 1.414 0.000
O4 -1.280 -0.440 0.000
H5 2.030 -0.577 0.000
H6 0.894 -1.626 0.881
H7 0.894 -1.626 -0.881
H8 1.273 1.778 0.000
H9 -0.535 2.160 0.000
H10 -1.964 0.253 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.49062.52052.36321.09121.09541.09542.77753.51013.2309
C21.49061.33851.38882.14042.13412.13412.10662.12801.9698
C32.52051.33852.40652.66813.22913.22911.08171.08592.5039
O42.36321.38882.40653.31292.62792.62793.38192.70420.9740
H51.09122.14042.66813.31291.78021.78022.47423.75114.0797
H61.09542.13413.22912.62791.78021.76253.53694.14103.5317
H71.09542.13413.22912.62791.78021.76253.53694.14103.5317
H82.77752.10661.08173.38192.47423.53693.53691.84783.5783
H93.51012.12801.08592.70423.75114.14104.14101.84782.3826
H103.23091.96982.50390.97404.07973.53173.53173.57832.3826

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 125.886 C1 C2 O4 110.265
C2 C1 H5 111.053 C2 C1 H6 110.288
C2 C1 H7 110.288 C2 C3 H8 120.644
C2 C3 H9 122.394 C2 O4 H10 111.751
C3 C2 O4 123.849 H5 C1 H6 108.996
H5 C1 H7 108.996 H6 C1 H7 107.120
H8 C3 H9 116.962
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.520      
2 C 0.329      
3 C -0.414      
4 O -0.631      
5 H 0.174      
6 H 0.192      
7 H 0.192      
8 H 0.157      
9 H 0.138      
10 H 0.384      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.044 0.872 0.000 0.873
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.085 -3.458 0.000
y -3.458 -24.976 0.000
z 0.000 0.000 -26.699
Traceless
 xyz
x 4.753 -3.458 0.000
y -3.458 -1.084 0.000
z 0.000 0.000 -3.669
Polar
3z2-r2-7.337
x2-y23.891
xy-3.458
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.368 0.149 0.000
y 0.149 6.878 0.000
z 0.000 0.000 2.827


<r2> (average value of r2) Å2
<r2> 80.877
(<r2>)1/2 8.993