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

using model chemistry: B3LYP/CEP-121G*

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/CEP-121G*
 hartrees
Energy at 0K-60.432728
Energy at 298.15K-60.435790
HF Energy-60.432728
Nuclear repulsion energy86.848917
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/CEP-121G*
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' 3640 3529 76.95      
2 A' 3014 2922 49.56      
3 A' 1821 1765 185.70      
4 A' 1762 1708 131.64      
5 A' 1379 1336 359.19      
6 A' 1341 1300 28.18      
7 A' 1200 1163 0.82      
8 A' 864 838 48.74      
9 A' 672 652 16.27      
10 A' 487 472 5.68      
11 A' 277 269 33.66      
12 A" 983 953 2.71      
13 A" 670 650 91.82      
14 A" 553 536 37.87      
15 A" 164 159 27.52      

Unscaled Zero Point Vibrational Energy (zpe) 9413.9 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 9125.8 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/CEP-121G*
ABC
0.35978 0.15009 0.10591

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.758 -0.765 0.000
C2 0.000 0.590 0.000
O3 -0.149 -1.820 0.000
O4 -0.585 1.651 0.000
O5 1.343 0.450 0.000
H6 -1.861 -0.689 0.000
H7 1.534 -0.511 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 O5 H6 H7
C11.55311.21782.42282.42711.10602.3061
C21.55312.41461.21141.35002.25851.8883
O31.21782.41463.49832.71632.05222.1318
O42.42281.21143.49832.27082.66583.0272
O52.42711.35002.71632.27083.40060.9803
H61.10602.25852.05222.66583.40063.4000
H72.30611.88832.13183.02720.98033.4000

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 113.270
C2 C1 O3 120.770 C2 C1 H6 115.256
C2 O5 H7 107.196 O3 C1 H6 123.973
O4 C2 O5 124.798
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.010      
2 C 0.272      
3 O -0.247      
4 O -0.235      
5 O -0.401      
6 H 0.164      
7 H 0.436      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.378 -2.033 0.000 2.068
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.474 -0.122 0.000
y -0.122 -36.319 0.000
z 0.000 0.000 -26.515
Traceless
 xyz
x 5.943 -0.122 0.000
y -0.122 -10.324 0.000
z 0.000 0.000 4.381
Polar
3z2-r28.761
x2-y210.845
xy-0.122
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.119 -0.723 0.000
y -0.723 5.723 0.000
z 0.000 0.000 2.581


<r2> (average value of r2) Å2
<r2> 81.421
(<r2>)1/2 9.023