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

using model chemistry: B3LYP/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-303.021940
Energy at 298.15K-303.024991
HF Energy-303.021940
Nuclear repulsion energy159.863799
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/LANL2DZ
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' 3583 3444 73.56      
2 A' 3103 2983 30.47      
3 A' 1745 1677 149.94      
4 A' 1678 1612 92.06      
5 A' 1357 1305 10.18      
6 A' 1271 1221 342.88      
7 A' 1174 1129 6.00      
8 A' 848 815 65.10      
9 A' 662 636 11.33      
10 A' 492 473 6.43      
11 A' 274 263 36.72      
12 A" 1001 962 8.73      
13 A" 651 626 140.47      
14 A" 565 543 49.09      
15 A" 177 170 33.78      

Unscaled Zero Point Vibrational Energy (zpe) 9289.5 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 8929.1 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/LANL2DZ
ABC
0.35020 0.14840 0.10423

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.777 -0.745 0.000
C2 0.000 0.582 0.000
O3 -0.178 -1.833 0.000
O4 -0.569 1.675 0.000
O5 1.362 0.427 0.000
H6 -1.873 -0.646 0.000
H7 1.619 -0.527 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 O5 H6 H7
C11.53771.24212.42872.43991.09972.4061
C21.53772.42131.23251.37112.23891.9621
O31.24212.42133.52952.73542.06912.2214
O42.42871.23253.52952.29952.66123.1043
O52.43991.37112.73542.29953.40820.9883
H61.09972.23892.06912.66123.40823.4934
H72.40611.96212.22143.10430.98833.4934

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 122.115 C1 C2 O5 113.904
C2 C1 O3 120.784 C2 C1 H6 115.178
C2 O5 H7 111.506 O3 C1 H6 124.038
O4 C2 O5 123.981
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.070      
2 C 0.240      
3 O -0.199      
4 O -0.206      
5 O -0.396      
6 H 0.230      
7 H 0.400      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.641 -2.253 0.000 2.342
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.626 -0.613 0.000
y -0.613 -38.563 0.000
z 0.000 0.000 -26.780
Traceless
 xyz
x 7.046 -0.613 0.000
y -0.613 -12.360 0.000
z 0.000 0.000 5.314
Polar
3z2-r210.628
x2-y212.937
xy-0.613
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.585 -0.950 0.000
y -0.950 5.623 0.000
z 0.000 0.000 1.975


<r2> (average value of r2) Å2
<r2> 103.223
(<r2>)1/2 10.160