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

using model chemistry: B3LYP/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 B3LYP/6-311G**
 hartrees
Energy at 0K-303.162550
Energy at 298.15K-303.165713
HF Energy-303.162550
Nuclear repulsion energy163.215788
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 B3LYP/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' 3665 3543 97.73      
2 A' 2993 2894 50.59      
3 A' 1861 1799 198.29      
4 A' 1802 1742 109.00      
5 A' 1380 1335 356.11      
6 A' 1346 1301 11.60      
7 A' 1212 1172 0.90      
8 A' 878 849 48.04      
9 A' 691 668 16.34      
10 A' 500 484 5.57      
11 A' 286 277 34.99      
12 A" 1012 979 2.42      
13 A" 690 667 81.62      
14 A" 575 556 37.04      
15 A" 177 171 25.50      

Unscaled Zero Point Vibrational Energy (zpe) 9533.6 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 9217.0 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 B3LYP/6-311G**
ABC
0.36731 0.15334 0.10818

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.748 -0.757 0.000
C2 0.000 0.585 0.000
O3 -0.147 -1.801 0.000
O4 -0.579 1.634 0.000
O5 1.329 0.444 0.000
H6 -1.848 -0.676 0.000
H7 1.517 -0.512 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 O5 H6 H7
C11.53651.20422.39712.39881.10332.2786
C21.53652.39021.19831.33602.23761.8723
O31.20422.39023.46172.68602.03932.1051
O42.39711.19833.46172.24882.63573.0001
O52.39881.33602.68602.24883.36850.9740
H61.10332.23762.03932.63573.36853.3697
H72.27861.87232.10513.00010.97403.3697

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 121.956 C1 C2 O5 113.060
C2 C1 O3 120.931 C2 C1 H6 114.919
C2 O5 H7 107.249 O3 C1 H6 124.149
O4 C2 O5 124.984
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.140      
2 C 0.303      
3 O -0.263      
4 O -0.287      
5 O -0.275      
6 H 0.122      
7 H 0.260      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.305 -1.912 0.000 1.936
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.583 -0.006 0.000
y -0.006 -35.950 0.000
z 0.000 0.000 -26.260
Traceless
 xyz
x 5.523 -0.006 0.000
y -0.006 -10.029 0.000
z 0.000 0.000 4.506
Polar
3z2-r29.012
x2-y210.368
xy-0.006
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.864 -0.710 0.000
y -0.710 5.353 0.000
z 0.000 0.000 2.307


<r2> (average value of r2) Å2
<r2> 99.418
(<r2>)1/2 9.971