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

using model chemistry: B3LYP/TZVP

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/TZVP
 hartrees
Energy at 0K-303.191948
Energy at 298.15K-303.195062
HF Energy-303.191948
Nuclear repulsion energy163.049858
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/TZVP
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' 3654 3528 99.11      
2 A' 3005 2901 39.78      
3 A' 1846 1782 221.68      
4 A' 1799 1737 108.96      
5 A' 1361 1313 147.14      
6 A' 1356 1310 205.36      
7 A' 1201 1159 2.25      
8 A' 872 842 51.94      
9 A' 686 662 14.68      
10 A' 500 483 6.10      
11 A' 279 269 34.27      
12 A" 1001 967 2.80      
13 A" 674 651 85.50      
14 A" 567 547 42.92      
15 A" 164 159 29.33      

Unscaled Zero Point Vibrational Energy (zpe) 9482.4 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 9154.3 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/TZVP
ABC
0.36589 0.15294 0.10786

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.747 -0.761 0.000
C2 0.000 0.583 0.000
O3 -0.149 -1.805 0.000
O4 -0.584 1.629 0.000
O5 1.330 0.457 0.000
H6 -1.846 -0.682 0.000
H7 1.546 -0.494 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 O5 H6 H7
C11.53731.20362.39572.40821.10142.3088
C21.53732.39241.19861.33642.23751.8839
O31.20362.39243.46192.70272.03502.1429
O42.39571.19863.46192.24492.63343.0074
O52.40821.33642.70272.24493.37430.9748
H61.10142.23752.03502.63343.37433.3971
H72.30881.88392.14293.00740.97483.3971

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 121.761 C1 C2 O5 113.682
C2 C1 O3 121.100 C2 C1 H6 114.984
C2 O5 H7 108.182 O3 C1 H6 123.917
O4 C2 O5 124.558
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.127      
2 C 0.235      
3 O -0.272      
4 O -0.269      
5 O -0.240      
6 H 0.124      
7 H 0.294      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.324 -1.994 0.000 2.020
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.873 0.060 0.000
y 0.060 -36.968 0.000
z 0.000 0.000 -26.636
Traceless
 xyz
x 5.929 0.060 0.000
y 0.060 -10.713 0.000
z 0.000 0.000 4.785
Polar
3z2-r29.569
x2-y211.094
xy0.060
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.220 -0.776 0.000
y -0.776 5.901 0.000
z 0.000 0.000 2.722


<r2> (average value of r2) Å2
<r2> 100.035
(<r2>)1/2 10.002