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

using model chemistry: LSDA/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 LSDA/6-311G**
 hartrees
Energy at 0K-301.625600
Energy at 298.15K-301.628817
HF Energy-301.625600
Nuclear repulsion energy164.651249
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/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' 3378 3336 150.87      
2 A' 2919 2883 40.09      
3 A' 1853 1831 199.37      
4 A' 1779 1757 68.15      
5 A' 1381 1364 333.26      
6 A' 1273 1257 8.33      
7 A' 1205 1190 9.53      
8 A' 893 882 39.76      
9 A' 691 682 11.62      
10 A' 491 485 3.57      
11 A' 300 297 44.82      
12 A" 976 964 4.33      
13 A" 785 775 89.91      
14 A" 571 564 13.01      
15 A" 188 186 21.90      

Unscaled Zero Point Vibrational Energy (zpe) 9340.4 cm-1
Scaled (by 0.9877) Zero Point Vibrational Energy (zpe) 9225.5 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/6-311G**
ABC
0.37901 0.15697 0.11100

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.751 -0.731 0.000
C2 0.000 0.587 0.000
O3 -0.129 -1.766 0.000
O4 -0.555 1.651 0.000
O5 1.306 0.383 0.000
H6 -1.864 -0.669 0.000
H7 1.399 -0.608 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 O5 H6 H7
C11.51691.20702.38992.33981.11422.1538
C21.51692.35591.20021.32192.24701.8397
O31.20702.35593.44282.58442.05201.9174
O42.38991.20023.44282.25202.66292.9869
O52.33981.32192.58442.25203.33980.9957
H61.11422.24702.05202.66293.33983.2633
H72.15381.83971.91742.98690.99573.2633

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 122.752 C1 C2 O5 110.836
C2 C1 O3 119.306 C2 C1 H6 116.469
C2 O5 H7 104.205 O3 C1 H6 124.224
O4 C2 O5 126.412
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.076      
2 C 0.235      
3 O -0.235      
4 O -0.256      
5 O -0.233      
6 H 0.155      
7 H 0.257      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.500 -2.012 0.000 2.073
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.862 0.122 0.000
y 0.122 -35.343 0.000
z 0.000 0.000 -26.449
Traceless
 xyz
x 5.034 0.122 0.000
y 0.122 -9.188 0.000
z 0.000 0.000 4.154
Polar
3z2-r28.307
x2-y29.481
xy0.122
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.054 -0.645 0.000
y -0.645 5.476 0.000
z 0.000 0.000 2.353


<r2> (average value of r2) Å2
<r2> 97.318
(<r2>)1/2 9.865