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=FULL/STO-3G

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=FULL/STO-3G
 hartrees
Energy at 0K-190.336115
Energy at 298.15K-190.342212
HF Energy-190.260462
Nuclear repulsion energy117.858867
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=FULL/STO-3G
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' 3801 3801 25.00      
2 A' 3600 3600 0.66      
3 A' 3539 3539 0.18      
4 A' 3440 3440 19.36      
5 A' 3351 3351 0.46      
6 A' 1856 1856 50.60      
7 A' 1697 1697 6.36      
8 A' 1623 1623 0.05      
9 A' 1579 1579 13.57      
10 A' 1554 1554 4.97      
11 A' 1356 1356 59.93      
12 A' 1105 1105 5.64      
13 A' 1055 1055 6.80      
14 A' 902 902 1.29      
15 A' 469 469 10.20      
16 A' 395 395 1.51      
17 A" 3510 3510 0.36      
18 A" 1687 1687 2.97      
19 A" 1171 1171 2.92      
20 A" 867 867 30.41      
21 A" 767 767 0.33      
22 A" 530 530 63.51      
23 A" 489 489 18.57      
24 A" 111 111 0.22      

Unscaled Zero Point Vibrational Energy (zpe) 20225.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 20225.7 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=FULL/STO-3G
ABC
0.32205 0.29094 0.15742

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.889 -1.153 0.000
C2 0.000 0.103 0.000
C3 0.468 1.368 0.000
O4 -1.370 -0.246 0.000
H5 1.950 -0.866 0.000
H6 0.686 -1.768 0.891
H7 0.686 -1.768 -0.891
H8 1.539 1.573 0.000
H9 -0.208 2.228 0.000
H10 -1.838 0.660 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.53832.55592.43391.09861.10161.10162.80213.55423.2745
C21.53831.34941.41322.17692.18252.18252.12842.13551.9203
C32.55591.34942.44562.68083.26773.26771.09051.09352.4114
O42.43391.41322.44563.37662.70842.70843.43032.73281.0201
H51.09862.17692.68083.37661.79011.79012.47323.77194.0831
H61.10162.18253.26772.70841.79011.78143.56154.19063.6138
H71.10162.18253.26772.70841.79011.78143.56154.19063.6138
H82.80212.12841.09053.43032.47323.56153.56151.86573.4974
H93.55422.13551.09352.73283.77194.19064.19061.86572.2608
H103.27451.92032.41141.02014.08313.61383.61383.49742.2608

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 124.405 C1 C2 O4 111.037
C2 C1 H5 110.176 C2 C1 H6 110.443
C2 C1 H7 110.443 C2 C3 H8 121.106
C2 C3 H9 121.540 C2 O4 H10 103.027
C3 C2 O4 124.558 H5 C1 H6 108.907
H5 C1 H7 108.907 H6 C1 H7 107.909
H8 C3 H9 117.354
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability