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All results from a given calculation for CHOCOOH (oxo acetic acid)

using model chemistry: wB97X-D/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 wB97X-D/cc-pVTZ
 hartrees
Energy at 0K-303.092921
Energy at 298.15K-303.096095
HF Energy-303.092921
Nuclear repulsion energy163.900867
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 wB97X-D/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' 3738 3574 104.95      
2 A' 3027 2894 39.75      
3 A' 1900 1816 216.60      
4 A' 1847 1766 130.59      
5 A' 1409 1347 346.28      
6 A' 1357 1297 11.86      
7 A' 1245 1191 7.39      
8 A' 897 858 47.83      
9 A' 698 667 16.75      
10 A' 508 485 5.63      
11 A' 289 277 35.45      
12 A" 1018 973 3.26      
13 A" 699 668 81.54      
14 A" 581 555 27.43      
15 A" 161 154 27.05      

Unscaled Zero Point Vibrational Energy (zpe) 9686.4 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 9260.2 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 wB97X-D/cc-pVTZ
ABC
0.37073 0.15441 0.10901

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.737 -0.764 0.000
C2 0.000 0.583 0.000
O3 -0.141 -1.802 0.000
O4 -0.587 1.622 0.000
O5 1.318 0.462 0.000
H6 -1.835 -0.686 0.000
H7 1.532 -0.481 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 O5 H6 H7
C11.53541.19752.38992.39271.10062.2863
C21.53542.38971.19281.32392.23071.8651
O31.19752.38973.45282.69332.02892.1317
O42.38991.19283.45282.23082.62282.9850
O52.39271.32392.69332.23083.35520.9663
H61.10062.23072.02892.62283.35523.3728
H72.28631.86512.13172.98500.96633.3728

picture of oxo acetic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 121.826 C1 C2 O5 113.410
C2 C1 O3 121.464 C2 C1 H6 114.610
C2 O5 H7 108.042 O3 C1 H6 123.926
O4 C2 O5 124.765
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.145      
2 C 0.242      
3 O -0.242      
4 O -0.264      
5 O -0.197      
6 H 0.096      
7 H 0.220      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.253 -1.901 0.000 1.918
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.166 0.243 0.000
y 0.243 -35.787 0.000
z 0.000 0.000 -26.221
Traceless
 xyz
x 5.838 0.243 0.000
y 0.243 -10.094 0.000
z 0.000 0.000 4.256
Polar
3z2-r28.511
x2-y210.621
xy0.243
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.110 -0.628 0.000
y -0.628 5.733 0.000
z 0.000 0.000 2.792


<r2> (average value of r2) Å2
<r2> 98.681
(<r2>)1/2 9.934