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: TPSSh/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 TPSSh/6-311G*
 hartrees
Energy at 0K-193.180039
Energy at 298.15K-193.186426
HF Energy-193.180039
Nuclear repulsion energy120.220921
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 TPSSh/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' 3735 3598 10.26      
2 A' 3234 3115 15.96      
3 A' 3138 3023 18.81      
4 A' 3137 3022 13.86      
5 A' 3038 2926 25.38      
6 A' 1720 1656 145.53      
7 A' 1520 1464 9.69      
8 A' 1472 1418 3.92      
9 A' 1431 1379 28.08      
10 A' 1374 1323 10.12      
11 A' 1219 1174 152.79      
12 A' 1028 990 36.82      
13 A' 984 948 14.37      
14 A' 862 830 5.40      
15 A' 469 452 19.79      
16 A' 397 383 1.44      
17 A" 3090 2976 23.31      
18 A" 1501 1446 8.95      
19 A" 1083 1043 0.18      
20 A" 787 759 83.11      
21 A" 729 702 3.10      
22 A" 500 481 1.79      
23 A" 459 442 122.11      
24 A" 180 173 1.45      

Unscaled Zero Point Vibrational Energy (zpe) 18543.0 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 17860.6 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 TPSSh/6-311G*
ABC
0.33589 0.30259 0.16403

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.914 -1.087 0.000
C2 0.000 0.098 0.000
C3 0.390 1.378 0.000
O4 -1.310 -0.307 0.000
H5 1.959 -0.776 0.000
H6 0.728 -1.708 0.881
H7 0.728 -1.708 -0.881
H8 1.441 1.636 0.000
H9 -0.322 2.199 0.000
H10 -1.880 0.475 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.49662.52022.35721.09011.09441.09442.77383.51113.2011
C21.49661.33841.37122.14522.13742.13742.10812.12601.9172
C32.52021.33842.39392.66503.22753.22751.08231.08702.4429
O42.35721.37122.39393.30282.62552.62553.36842.69410.9676
H51.09012.14522.66503.30281.77831.77832.46743.74924.0377
H61.09442.13743.22752.62551.77831.76243.53174.14113.5132
H71.09442.13743.22752.62551.77831.76243.53174.14113.5132
H82.77382.10811.08233.36842.46743.53173.53171.85083.5180
H93.51112.12601.08702.69413.74924.14114.14111.85082.3237
H103.20111.91722.44290.96764.03773.51323.51323.51802.3237

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 125.392 C1 C2 O4 110.488
C2 C1 H5 111.088 C2 C1 H6 110.202
C2 C1 H7 110.202 C2 C3 H8 120.756
C2 C3 H9 122.121 C2 O4 H10 108.892
C3 C2 O4 124.120 H5 C1 H6 108.994
H5 C1 H7 108.994 H6 C1 H7 107.267
H8 C3 H9 117.123
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.628      
2 C 0.267      
3 C -0.544      
4 O -0.545      
5 H 0.216      
6 H 0.224      
7 H 0.224      
8 H 0.204      
9 H 0.192      
10 H 0.390      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.133 0.637 0.000 0.651
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.747 0.243 0.000
y 0.243 7.403 0.000
z 0.000 0.000 3.600


<r2> (average value of r2) Å2
<r2> 80.626
(<r2>)1/2 8.979