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

using model chemistry: B97D3/TZVP

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/TZVP
 hartrees
Energy at 0K-303.018011
Energy at 298.15K-303.021017
HF Energy-303.018011
Nuclear repulsion energy162.093148
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/TZVP
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' 3552 3501 80.05      
2 A' 2929 2887 58.43      
3 A' 1786 1760 207.18      
4 A' 1735 1710 80.35      
5 A' 1328 1309 1.06      
6 A' 1315 1296 325.38      
7 A' 1157 1140 0.34      
8 A' 838 826 52.09      
9 A' 667 657 12.12      
10 A' 480 473 5.81      
11 A' 259 255 33.55      
12 A" 968 954 2.31      
13 A" 679 669 85.13      
14 A" 544 536 29.51      
15 A" 153 151 26.67      

Unscaled Zero Point Vibrational Energy (zpe) 9194.5 cm-1
Scaled (by 0.9856) Zero Point Vibrational Energy (zpe) 9062.1 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/TZVP
ABC
0.36234 0.15090 0.10653

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.750 -0.763 0.000
C2 0.000 0.587 0.000
O3 -0.154 -1.817 0.000
O4 -0.583 1.642 0.000
O5 1.340 0.456 0.000
H6 -1.854 -0.678 0.000
H7 1.535 -0.504 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 O5 H6 H7
C11.54401.21112.41092.41941.10762.2999
C21.54402.40901.20601.34642.24481.8832
O31.21112.40903.48612.72032.04652.1399
O42.41091.20603.48612.25982.64593.0157
O52.41941.34642.72032.25983.38980.9795
H61.10762.24482.04652.64593.38983.3941
H72.29991.88322.13993.01570.97953.3941

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 122.012 C1 C2 O5 113.485
C2 C1 O3 121.468 C2 C1 H6 114.682
C2 O5 H7 107.072 O3 C1 H6 123.850
O4 C2 O5 124.503
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.116      
2 C 0.193      
3 O -0.247      
4 O -0.243      
5 O -0.210      
6 H 0.107      
7 H 0.284      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.268 -1.915 0.000 1.934
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.788 0.010 0.000
y 0.010 -36.410 0.000
z 0.000 0.000 -26.486
Traceless
 xyz
x 5.660 0.010 0.000
y 0.010 -10.273 0.000
z 0.000 0.000 4.613
Polar
3z2-r29.225
x2-y210.622
xy0.010
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.480 -0.728 0.000
y -0.728 6.127 0.000
z 0.000 0.000 2.750


<r2> (average value of r2) Å2
<r2> 100.844
(<r2>)1/2 10.042