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

using model chemistry: B97D3/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/6-311+G(3df,2p)
 hartrees
Energy at 0K-303.019731
Energy at 298.15K-303.022764
HF Energy-303.019731
Nuclear repulsion energy162.425277
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 B97D3/6-311+G(3df,2p)
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' 3567 3521 82.52      
2 A' 2918 2880 57.07      
3 A' 1787 1764 226.40      
4 A' 1741 1718 74.65      
5 A' 1328 1310 270.57      
6 A' 1321 1304 53.81      
7 A' 1169 1154 1.36      
8 A' 846 835 50.20      
9 A' 669 660 12.66      
10 A' 482 475 5.81      
11 A' 265 262 32.17      
12 A" 986 973 2.65      
13 A" 691 682 73.06      
14 A" 550 543 22.19      
15 A" 153 151 26.61      

Unscaled Zero Point Vibrational Energy (zpe) 9235.5 cm-1
Scaled (by 0.987) Zero Point Vibrational Energy (zpe) 9115.4 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 B97D3/6-311+G(3df,2p)
ABC
0.36415 0.15146 0.10697

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.748 -0.762 0.000
C2 0.000 0.585 0.000
O3 -0.153 -1.814 0.000
O4 -0.583 1.639 0.000
O5 1.336 0.455 0.000
H6 -1.852 -0.678 0.000
H7 1.531 -0.503 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 O5 H6 H7
C11.54111.20852.40712.41311.10742.2930
C21.54112.40431.20431.34262.24151.8786
O31.20852.40433.48002.71362.04422.1334
O42.40711.20433.48002.25522.64153.0098
O52.41311.34262.71362.25523.38300.9778
H61.10742.24152.04422.64153.38303.3870
H72.29301.87862.13343.00980.97783.3870

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 121.882 C1 C2 O5 113.590
C2 C1 O3 122.213 C2 C1 H6 114.167
C2 O5 H7 108.276 O3 C1 H6 123.620
O4 C2 O5 124.529
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.379      
2 C 0.990      
3 O -0.573      
4 O -0.667      
5 O -0.543      
6 H 0.131      
7 H 0.284      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.226 -1.818 0.000 1.832
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.810 0.269 0.000
y 0.269 -36.166 0.000
z 0.000 0.000 -26.620
Traceless
 xyz
x 5.583 0.269 0.000
y 0.269 -9.951 0.000
z 0.000 0.000 4.368
Polar
3z2-r28.735
x2-y210.356
xy0.269
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.047 -0.531 0.000
y -0.531 6.743 0.000
z 0.000 0.000 3.469


<r2> (average value of r2) Å2
<r2> 100.489
(<r2>)1/2 10.024