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

using model chemistry: M06-2X/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-302.969191
Energy at 298.15K-302.972364
HF Energy-302.969191
Nuclear repulsion energy163.309926
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/6-31+G**
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' 3768 3588 129.26      
2 A' 3097 2949 29.19      
3 A' 1928 1836 233.92      
4 A' 1875 1786 159.79      
5 A' 1411 1344 341.73      
6 A' 1349 1285 18.91      
7 A' 1238 1179 25.00      
8 A' 907 864 49.74      
9 A' 694 661 17.67      
10 A' 513 489 6.40      
11 A' 299 285 33.92      
12 A" 1014 965 4.70      
13 A" 659 627 74.70      
14 A" 572 544 67.26      
15 A" 178 169 32.16      

Unscaled Zero Point Vibrational Energy (zpe) 9750.3 cm-1
Scaled (by 0.9522) Zero Point Vibrational Energy (zpe) 9284.2 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 M06-2X/6-31+G**
ABC
0.36599 0.15403 0.10841

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.747 -0.761 0.000
C2 0.000 0.579 0.000
O3 -0.136 -1.799 0.000
O4 -0.593 1.622 0.000
O5 1.325 0.461 0.000
H6 -1.847 -0.692 0.000
H7 1.558 -0.484 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 O5 H6 H7
C11.53481.20462.38842.40581.10172.3218
C21.53482.38221.19941.33002.24191.8861
O31.20462.38223.45152.69102.03832.1443
O42.38841.19943.45152.24152.63173.0099
O52.40581.33002.69102.24153.37460.9733
H61.10172.24192.03832.63173.37463.4110
H72.32181.88612.14433.00990.97333.4110

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 121.250 C1 C2 O5 114.042
C2 C1 O3 120.349 C2 C1 H6 115.510
C2 O5 H7 108.951 O3 C1 H6 124.141
O4 C2 O5 124.708
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.252      
2 C 0.402      
3 O -0.368      
4 O -0.407      
5 O -0.455      
6 H 0.186      
7 H 0.391      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.358 -2.069 0.000 2.100
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.593 0.077 0.000
y 0.077 -36.967 0.000
z 0.000 0.000 -26.835
Traceless
 xyz
x 6.308 0.077 0.000
y 0.077 -10.753 0.000
z 0.000 0.000 4.445
Polar
3z2-r28.890
x2-y211.374
xy0.077
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.225 -0.808 0.000
y -0.808 5.971 0.000
z 0.000 0.000 2.833


<r2> (average value of r2) Å2
<r2> 99.644
(<r2>)1/2 9.982