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: MP3=FULL/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 MP3=FULL/6-31G*
 hartrees
Energy at 0K-192.538581
Energy at 298.15K-192.545005
HF Energy-191.930953
Nuclear repulsion energy120.269708
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 MP3=FULL/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' 3808 3573 24.77      
2 A' 3317 3112 8.79      
3 A' 3220 3022 4.28      
4 A' 3213 3014 13.70      
5 A' 3111 2919 12.34      
6 A' 1802 1690 109.90      
7 A' 1554 1458 7.46      
8 A' 1511 1418 0.99      
9 A' 1473 1382 37.66      
10 A' 1421 1333 6.61      
11 A' 1261 1183 162.69      
12 A' 1060 995 24.89      
13 A' 1009 947 10.34      
14 A' 891 836 7.34      
15 A' 489 458 19.46      
16 A' 414 388 1.70      
17 A" 3180 2984 12.43      
18 A" 1532 1438 7.54      
19 A" 1110 1041 0.97      
20 A" 800 751 73.08      
21 A" 744 698 5.46      
22 A" 502 471 1.00      
23 A" 431 405 131.30      
24 A" 184 173 1.48      

Unscaled Zero Point Vibrational Energy (zpe) 19018.4 cm-1
Scaled (by 0.9383) Zero Point Vibrational Energy (zpe) 17844.9 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 MP3=FULL/6-31G*
ABC
0.33638 0.30285 0.16425

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.936 -1.069 0.000
C2 0.000 0.098 0.000
C3 0.361 1.383 0.000
O4 -1.304 -0.332 0.000
H5 1.975 -0.734 0.000
H6 0.759 -1.691 0.883
H7 0.759 -1.691 -0.883
H8 1.407 1.663 0.000
H9 -0.367 2.189 0.000
H10 -1.886 0.443 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.49602.51852.35801.09121.09421.09422.77213.50873.2014
C21.49601.33501.37322.14272.13422.13422.10412.12271.9170
C32.51851.33502.39112.66163.22283.22281.08191.08612.4358
O42.35801.37322.39113.30302.62292.62293.36582.68980.9697
H51.09122.14272.66163.30301.78121.78122.46323.74504.0357
H61.09422.13423.22282.62291.78121.76543.52794.13503.5110
H71.09422.13423.22282.62291.78121.76543.52794.13503.5110
H82.77212.10411.08193.36582.46323.52793.52791.84983.5109
H93.50872.12271.08612.68983.74504.13504.13501.84982.3137
H103.20141.91702.43580.96974.03573.51103.51103.51092.3137

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 125.556 C1 C2 O4 110.460
C2 C1 H5 110.855 C2 C1 H6 110.000
C2 C1 H7 110.000 C2 C3 H8 120.694
C2 C3 H9 122.172 C2 O4 H10 108.585
C3 C2 O4 123.984 H5 C1 H6 109.183
H5 C1 H7 109.183 H6 C1 H7 107.551
H8 C3 H9 117.134
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability