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: B2PLYP=FULLultrafine/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 B2PLYP=FULLultrafine/6-311G*
 hartrees
Energy at 0K-192.987404
Energy at 298.15K 
HF Energy-192.766799
Nuclear repulsion energy120.428108
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 B2PLYP=FULLultrafine/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' 3804 3804 18.65      
2 A' 3269 3269 12.02      
3 A' 3169 3169 9.39      
4 A' 3167 3167 15.57      
5 A' 3068 3068 19.62      
6 A' 1732 1732 142.08      
7 A' 1526 1526 10.07      
8 A' 1483 1483 2.11      
9 A' 1444 1444 35.74      
10 A' 1391 1391 8.47      
11 A' 1236 1236 161.13      
12 A' 1042 1042 31.27      
13 A' 995 995 12.73      
14 A' 872 872 5.77      
15 A' 485 485 19.68      
16 A' 412 412 1.61      
17 A" 3126 3126 17.94      
18 A" 1506 1506 10.02      
19 A" 1091 1091 0.33      
20 A" 786 786 85.96      
21 A" 732 732 2.61      
22 A" 502 502 0.04      
23 A" 456 456 127.48      
24 A" 180 180 1.61      

Unscaled Zero Point Vibrational Energy (zpe) 18735.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18735.9 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 B2PLYP=FULLultrafine/6-311G*
ABC
0.33694 0.30352 0.16454

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.902 -1.094 0.000
C2 0.000 0.098 0.000
C3 0.404 1.373 0.000
O4 -1.311 -0.292 0.000
H5 1.949 -0.797 0.000
H6 0.708 -1.712 0.880
H7 0.708 -1.712 -0.880
H8 1.456 1.618 0.000
H9 -0.299 2.199 0.000
H10 -1.873 0.490 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.49482.51672.35371.08841.09221.09222.76883.50543.1950
C21.49481.33751.36762.14452.13322.13322.10542.12251.9132
C32.51671.33752.39022.66343.22223.22221.08011.08492.4418
O42.35371.36762.39023.29872.62032.62033.36242.68900.9630
H51.08842.14452.66343.29871.77521.77522.46533.74544.0324
H61.09222.13323.22222.62031.77521.75903.52524.13343.5047
H71.09222.13323.22222.62031.77521.75903.52524.13343.5047
H82.76882.10541.08013.36242.46533.52523.52521.84813.5145
H93.50542.12251.08492.68903.74544.13344.13341.84812.3233
H103.19501.91322.44180.96304.03243.50473.50473.51452.3233

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 125.296 C1 C2 O4 110.552
C2 C1 H5 111.260 C2 C1 H6 110.123
C2 C1 H7 110.123 C2 C3 H8 120.748
C2 C3 H9 122.029 C2 O4 H10 109.117
C3 C2 O4 124.152 H5 C1 H6 108.986
H5 C1 H7 108.986 H6 C1 H7 107.265
H8 C3 H9 117.223
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability