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

using model chemistry: B97D3/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/3-21G
 hartrees
Energy at 0K-301.214138
Energy at 298.15K-301.217300
HF Energy-301.214138
Nuclear repulsion energy 
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 B97D3/3-21G
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' 3197 3143 50.30      
2 A' 2979 2928 60.33      
3 A' 1749 1720 86.12      
4 A' 1632 1604 33.08      
5 A' 1336 1313 109.41      
6 A' 1316 1294 217.30      
7 A' 1108 1089 10.03      
8 A' 811 797 47.24      
9 A' 663 651 8.94      
10 A' 470 462 2.88      
11 A' 278 273 39.06      
12 A" 1021 1003 5.57      
13 A" 743 730 114.15      
14 A" 576 566 17.94      
15 A" 225 221 17.05      

Unscaled Zero Point Vibrational Energy (zpe) 9050.9 cm-1
Scaled (by 0.983) Zero Point Vibrational Energy (zpe) 8897.0 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 B97D3/3-21G
ABC
0.35828 0.14902 0.10524

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.785 -0.724 0.000
C2 0.000 0.597 0.000
O3 -0.187 -1.814 0.000
O4 -0.528 1.707 0.000
O5 1.357 0.358 0.000
H6 -1.880 -0.596 0.000
H7 1.456 -0.652 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 O5 H6 H7
C11.53651.24302.44422.39961.10252.2423
C21.53652.41841.22901.37782.22651.9187
O31.24302.41843.53732.66542.08502.0131
O42.44421.22903.53732.31772.67033.0825
O52.39961.37782.66542.31773.37451.0152
H61.10252.22652.08502.67033.37453.3366
H72.24231.91872.01313.08251.01523.3366

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 122.861 C1 C2 O5 111.172
C2 C1 O3 122.093 C2 C1 H6 112.327
C2 O5 H7 110.281 O3 C1 H6 125.580
O4 C2 O5 125.967
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.177      
2 C 0.582      
3 O -0.398      
4 O -0.437      
5 O -0.526      
6 H 0.229      
7 H 0.373      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.645 -2.038 0.000 2.137
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.928 -0.614 0.000
y -0.614 -35.240 0.000
z 0.000 0.000 -26.148
Traceless
 xyz
x 4.766 -0.614 0.000
y -0.614 -9.202 0.000
z 0.000 0.000 4.436
Polar
3z2-r28.872
x2-y29.312
xy-0.614
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.454 -0.729 0.000
y -0.729 5.025 0.000
z 0.000 0.000 1.516


<r2> (average value of r2) Å2
<r2> 101.493
(<r2>)1/2 10.074