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

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-302.894964
Energy at 298.15K-302.898022
HF Energy-302.894964
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 B97D3/6-31G*
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' 3469 3401 72.03      
2 A' 2954 2896 67.28      
3 A' 1813 1778 156.85      
4 A' 1748 1713 72.71      
5 A' 1369 1342 343.89      
6 A' 1332 1306 9.04      
7 A' 1187 1164 0.10      
8 A' 855 838 45.95      
9 A' 669 656 12.88      
10 A' 481 472 4.56      
11 A' 285 279 33.23      
12 A" 967 948 1.93      
13 A" 711 697 87.55      
14 A" 542 532 24.54      
15 A" 166 163 23.08      

Unscaled Zero Point Vibrational Energy (zpe) 9274.5 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 9092.7 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 B97D3/6-31G*
ABC
0.36277 0.15084 0.10654

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.755 -0.754 0.000
C2 0.000 0.589 0.000
O3 -0.152 -1.814 0.000
O4 -0.576 1.656 0.000
O5 1.339 0.434 0.000
H6 -1.862 -0.673 0.000
H7 1.500 -0.540 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 O5 H6 H7
C11.54061.21942.41722.40791.11002.2646
C21.54062.40781.21321.34842.24871.8770
O31.21942.40783.49642.69792.05612.0859
O42.41721.21323.49642.27252.66003.0222
O52.40791.34842.69792.27253.38700.9871
H61.11002.24872.05612.66003.38703.3640
H72.26461.87702.08593.02220.98713.3640

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 122.144 C1 C2 O5 112.937
C2 C1 O3 122.038 C2 C1 H6 114.129
C2 O5 H7 107.573 O3 C1 H6 123.833
O4 C2 O5 124.919
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.171      
2 C 0.535      
3 O -0.357      
4 O -0.406      
5 O -0.535      
6 H 0.168      
7 H 0.423      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.280 -1.873 0.000 1.894
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.224 -0.109 0.000
y -0.109 -34.966 0.000
z 0.000 0.000 -25.962
Traceless
 xyz
x 5.240 -0.109 0.000
y -0.109 -9.373 0.000
z 0.000 0.000 4.133
Polar
3z2-r28.266
x2-y29.742
xy-0.109
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.920 -0.650 0.000
y -0.650 5.458 0.000
z 0.000 0.000 2.129


<r2> (average value of r2) Å2
<r2> 100.288
(<r2>)1/2 10.014