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: B1B95/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/aug-cc-pVTZ
 hartrees
Energy at 0K-193.115341
Energy at 298.15K-193.121772
HF Energy-193.115341
Nuclear repulsion energy121.130200
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 B1B95/aug-cc-pVTZ
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' 3849 3689 36.31      
2 A' 3271 3135 8.01      
3 A' 3172 3040 2.54      
4 A' 3171 3039 13.60      
5 A' 3062 2935 15.83      
6 A' 1739 1667 166.40      
7 A' 1488 1426 9.15      
8 A' 1453 1393 1.23      
9 A' 1411 1353 46.52      
10 A' 1364 1308 15.37      
11 A' 1205 1155 143.37      
12 A' 1021 979 35.21      
13 A' 983 942 8.92      
14 A' 878 841 4.54      
15 A' 475 455 18.88      
16 A' 403 386 1.47      
17 A" 3121 2991 9.38      
18 A" 1470 1409 8.05      
19 A" 1068 1024 0.07      
20 A" 824 790 68.96      
21 A" 732 702 0.31      
22 A" 511 490 0.89      
23 A" 438 420 97.94      
24 A" 187 179 1.17      

Unscaled Zero Point Vibrational Energy (zpe) 18647.0 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 17873.2 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 B1B95/aug-cc-pVTZ
ABC
0.34182 0.30672 0.16661

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.913 -1.076 0.000
C2 0.000 0.095 0.000
C3 0.382 1.367 0.000
O4 -1.300 -0.303 0.000
H5 1.950 -0.758 0.000
H6 0.729 -1.695 0.877
H7 0.729 -1.695 -0.877
H8 1.428 1.621 0.000
H9 -0.335 2.176 0.000
H10 -1.868 0.470 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.48492.50012.34451.08441.08901.08902.74633.48323.1819
C21.48491.32801.35992.12812.12252.12252.09022.10771.9050
C32.50011.32802.37042.64063.20393.20391.07651.08082.4216
O42.34451.35992.37043.28172.61262.61263.33872.66040.9594
H51.08442.12812.64063.28171.77111.77112.43603.71844.0101
H61.08902.12253.20392.61261.77111.75403.50094.10913.4932
H71.08902.12253.20392.61261.77111.75403.50094.10913.4932
H82.74632.09021.07653.33872.43603.50093.50091.84783.4907
H93.48322.10771.08082.66043.71844.10914.10911.84782.2930
H103.18191.90502.42160.95944.01013.49323.49323.49072.2930

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 125.347 C1 C2 O4 110.918
C2 C1 H5 110.878 C2 C1 H6 110.147
C2 C1 H7 110.147 C2 C3 H8 120.391
C2 C3 H9 121.749 C2 O4 H10 109.231
C3 C2 O4 123.735 H5 C1 H6 109.152
H5 C1 H7 109.152 H6 C1 H7 107.284
H8 C3 H9 117.859
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.832      
2 C 0.661      
3 C -1.209      
4 O -0.500      
5 H 0.308      
6 H 0.317      
7 H 0.317      
8 H 0.290      
9 H 0.505      
10 H 0.144      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.009 0.515 0.000 0.516
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.468 -3.252 0.000
y -3.252 -24.565 0.000
z 0.000 0.000 -27.074
Traceless
 xyz
x 3.352 -3.252 0.000
y -3.252 0.205 0.000
z 0.000 0.000 -3.557
Polar
3z2-r2-7.114
x2-y22.097
xy-3.252
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.652 0.217 0.000
y 0.217 8.167 0.000
z 0.000 0.000 5.143


<r2> (average value of r2) Å2
<r2> 79.728
(<r2>)1/2 8.929