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/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 B2PLYP=FULLultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-192.967642
Energy at 298.15K 
HF Energy-192.755522
Nuclear repulsion energy119.888972
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/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' 3808 3664 34.06      
2 A' 3282 3158 8.16      
3 A' 3176 3056 3.26      
4 A' 3169 3050 13.96      
5 A' 3059 2944 17.24      
6 A' 1719 1654 146.06      
7 A' 1479 1424 6.90      
8 A' 1452 1397 1.51      
9 A' 1402 1349 37.15      
10 A' 1352 1301 13.83      
11 A' 1210 1165 137.48      
12 A' 1018 980 32.06      
13 A' 975 938 13.45      
14 A' 865 832 8.14      
15 A' 477 459 17.39      
16 A' 408 393 1.56      
17 A" 3126 3008 11.13      
18 A" 1460 1405 7.54      
19 A" 1062 1022 0.02      
20 A" 819 788 67.33      
21 A" 720 693 0.26      
22 A" 497 478 2.88      
23 A" 446 429 96.13      
24 A" 184 177 1.45      

Unscaled Zero Point Vibrational Energy (zpe) 18583.2 cm-1
Scaled (by 0.9623) Zero Point Vibrational Energy (zpe) 17882.7 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/aug-cc-pVDZ
ABC
0.33435 0.30073 0.16318

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.946 -1.065 0.000
C2 0.000 0.096 0.000
C3 0.352 1.394 0.000
O4 -1.305 -0.342 0.000
H5 1.984 -0.718 0.000
H6 0.775 -1.692 0.886
H7 0.775 -1.692 -0.886
H8 1.401 1.676 0.000
H9 -0.391 2.191 0.000
H10 -1.895 0.423 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.49742.52932.36451.09481.09891.09892.77823.52013.2071
C21.49741.34491.37632.14452.14012.14012.11202.13171.9228
C32.52931.34492.39942.66853.23773.23771.08641.09042.4475
O42.36451.37632.39943.31082.63312.63313.37552.69250.9660
H51.09482.14452.66853.31081.78821.78822.46323.75564.0434
H61.09892.14013.23772.63311.78821.77253.53794.14983.5192
H71.09892.14013.23772.63311.78821.77253.53794.14983.5192
H82.77822.11201.08643.37552.46323.53793.53791.86533.5260
H93.52012.13171.09042.69253.75564.14984.14981.86532.3206
H103.20711.92282.44750.96604.04343.51923.51923.52602.3206

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 125.628 C1 C2 O4 110.664
C2 C1 H5 110.688 C2 C1 H6 110.087
C2 C1 H7 110.087 C2 C3 H8 120.233
C2 C3 H9 121.825 C2 O4 H10 109.103
C3 C2 O4 123.708 H5 C1 H6 109.201
H5 C1 H7 109.201 H6 C1 H7 107.511
H8 C3 H9 117.942
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability