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

using model chemistry: LSDA/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at LSDA/cc-pVTZ
 hartrees
Energy at 0K-301.663103
Energy at 298.15K-301.666309
HF Energy-301.663103
Nuclear repulsion energy164.759003
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 LSDA/cc-pVTZ
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' 3368 3331 145.96      
2 A' 2916 2884 36.04      
3 A' 1843 1823 210.51      
4 A' 1776 1756 58.44      
5 A' 1378 1363 317.23      
6 A' 1275 1261 9.27      
7 A' 1206 1193 16.95      
8 A' 896 886 41.42      
9 A' 686 679 10.67      
10 A' 489 484 3.54      
11 A' 294 291 44.67      
12 A" 982 972 4.82      
13 A" 787 778 80.50      
14 A" 570 564 9.92      
15 A" 184 182 22.79      

Unscaled Zero Point Vibrational Energy (zpe) 9324.2 cm-1
Scaled (by 0.9891) Zero Point Vibrational Energy (zpe) 9222.5 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 LSDA/cc-pVTZ
ABC
0.37929 0.15724 0.11116

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.750 -0.730 0.000
C2 0.000 0.584 0.000
O3 -0.132 -1.765 0.000
O4 -0.555 1.649 0.000
O5 1.306 0.384 0.000
H6 -1.861 -0.667 0.000
H7 1.405 -0.607 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 O5 H6 H7
C11.51301.20602.38642.33871.11292.1585
C21.51302.35281.20031.32122.24261.8417
O31.20602.35283.43972.58582.04901.9239
O42.38641.20033.43972.24952.65862.9877
O52.33871.32122.58582.24953.33720.9962
H61.11292.24262.04902.65863.33723.2666
H72.15851.84171.92392.98770.99623.2666

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 122.753 C1 C2 O5 111.028
C2 C1 O3 119.409 C2 C1 H6 116.479
C2 O5 H7 104.388 O3 C1 H6 124.111
O4 C2 O5 126.219
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.076      
2 C 0.161      
3 O -0.188      
4 O -0.215      
5 O -0.155      
6 H 0.106      
7 H 0.215      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.450 -1.981 0.000 2.031
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.815 0.274 0.000
y 0.274 -35.316 0.000
z 0.000 0.000 -26.573
Traceless
 xyz
x 5.130 0.274 0.000
y 0.274 -9.122 0.000
z 0.000 0.000 3.992
Polar
3z2-r27.984
x2-y29.501
xy0.274
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.432 -0.551 0.000
y -0.551 5.980 0.000
z 0.000 0.000 2.842


<r2> (average value of r2) Å2
<r2> 97.222
(<r2>)1/2 9.860