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

using model chemistry: M06-2X/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at M06-2X/6-311G**
 hartrees
Energy at 0K-303.045856
Energy at 298.15K-303.049072
HF Energy-303.045856
Nuclear repulsion energy163.902232
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 M06-2X/6-311G**
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' 3771 3771 122.99      
2 A' 3070 3070 33.61      
3 A' 1941 1941 216.36      
4 A' 1877 1877 150.38      
5 A' 1417 1417 365.06      
6 A' 1351 1351 17.75      
7 A' 1244 1244 9.69      
8 A' 905 905 47.80      
9 A' 703 703 20.08      
10 A' 515 515 6.06      
11 A' 299 299 34.68      
12 A" 1024 1024 3.45      
13 A" 668 668 69.56      
14 A" 584 584 62.39      
15 A" 184 184 27.75      

Unscaled Zero Point Vibrational Energy (zpe) 9775.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9775.6 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 M06-2X/6-311G**
ABC
0.36907 0.15489 0.10910

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.744 -0.760 0.000
C2 0.000 0.583 0.000
O3 -0.138 -1.792 0.000
O4 -0.586 1.620 0.000
O5 1.322 0.452 0.000
H6 -1.843 -0.685 0.000
H7 1.528 -0.495 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 O5 H6 H7
C11.53481.19762.38482.39551.10102.2879
C21.53482.37901.19161.32832.23661.8702
O31.19762.37903.44172.67772.03312.1114
O42.38481.19163.44172.23722.62502.9911
O52.39551.32832.67772.23723.36290.9700
H61.10102.23662.03312.62503.36293.3764
H72.28791.87022.11142.99110.97003.3764

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 121.511 C1 C2 O5 113.382
C2 C1 O3 120.569 C2 C1 H6 115.113
C2 O5 H7 107.910 O3 C1 H6 124.318
O4 C2 O5 125.107
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.150      
2 C 0.353      
3 O -0.294      
4 O -0.321      
5 O -0.320      
6 H 0.146      
7 H 0.285      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.352 -1.980 0.000 2.011
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.419 -0.001 0.000
y -0.001 -36.063 0.000
z 0.000 0.000 -26.326
Traceless
 xyz
x 5.775 -0.001 0.000
y -0.001 -10.190 0.000
z 0.000 0.000 4.415
Polar
3z2-r28.830
x2-y210.643
xy-0.001
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.628 -0.766 0.000
y -0.766 5.161 0.000
z 0.000 0.000 2.284


<r2> (average value of r2) Å2
<r2> 98.765
(<r2>)1/2 9.938