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

using model chemistry: BLYP/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 BLYP/6-31+G**
 hartrees
Energy at 0K-303.045387
Energy at 298.15K-303.048369
HF Energy-303.045387
Nuclear repulsion energy160.765725
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 BLYP/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' 3488 3470 78.26      
2 A' 2933 2918 45.49      
3 A' 1749 1740 211.91      
4 A' 1703 1694 75.37      
5 A' 1310 1303 20.21      
6 A' 1304 1297 307.12      
7 A' 1149 1143 1.09      
8 A' 832 827 52.43      
9 A' 653 650 11.45      
10 A' 474 472 5.85      
11 A' 267 266 31.76      
12 A" 960 955 2.97      
13 A" 674 670 86.73      
14 A" 537 534 28.63      
15 A" 156 155 28.28      

Unscaled Zero Point Vibrational Energy (zpe) 9095.1 cm-1
Scaled (by 0.9947) Zero Point Vibrational Energy (zpe) 9046.9 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 BLYP/6-31+G**
ABC
0.35605 0.14894 0.10501

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.760 -0.762 0.000
C2 0.000 0.585 0.000
O3 -0.157 -1.830 0.000
O4 -0.586 1.657 0.000
O5 1.351 0.455 0.000
H6 -1.868 -0.680 0.000
H7 1.554 -0.514 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 O5 H6 H7
C11.54721.22602.42542.43681.11152.3269
C21.54722.42041.22091.35762.25661.9035
O31.22602.42043.51292.73762.06172.1583
O42.42541.22093.51292.27952.66593.0478
O52.43681.35762.73762.27953.41370.9897
H61.11152.25662.06172.66593.41373.4261
H72.32691.90352.15833.04780.98973.4261

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 121.932 C1 C2 O5 113.888
C2 C1 O3 121.135 C2 C1 H6 115.173
C2 O5 H7 107.333 O3 C1 H6 123.692
O4 C2 O5 124.180
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.238      
2 C 0.381      
3 O -0.344      
4 O -0.398      
5 O -0.388      
6 H 0.154      
7 H 0.357      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.315 -1.942 0.000 1.967
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.260 0.010 0.000
y 0.010 -37.241 0.000
z 0.000 0.000 -27.139
Traceless
 xyz
x 5.930 0.010 0.000
y 0.010 -10.542 0.000
z 0.000 0.000 4.612
Polar
3z2-r29.224
x2-y210.982
xy0.010
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.918 -0.710 0.000
y -0.710 6.770 0.000
z 0.000 0.000 3.091


<r2> (average value of r2) Å2
<r2> 102.458
(<r2>)1/2 10.122