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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-60.319037
Energy at 298.15K-60.322047
HF Energy-60.319037
Nuclear repulsion energy85.474357
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' 3561 3470 60.43      
2 A' 3055 2977 32.14      
3 A' 1713 1669 132.05      
4 A' 1654 1611 109.48      
5 A' 1340 1306 6.04      
6 A' 1255 1223 326.60      
7 A' 1162 1132 18.81      
8 A' 835 814 68.17      
9 A' 649 632 12.36      
10 A' 485 473 6.70      
11 A' 267 260 35.50      
12 A" 978 953 6.04      
13 A" 632 616 126.85      
14 A" 538 524 58.33      
15 A" 165 161 32.50      

Unscaled Zero Point Vibrational Energy (zpe) 9143.7 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 8910.5 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 B3LYP/CEP-121G
ABC
0.34596 0.14688 0.10311

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 -0.788 -0.747 0.000
C2 0.000 0.582 0.000
O3 -0.185 -1.841 0.000
O4 -0.565 1.686 0.000
O5 1.373 0.426 0.000
H6 -1.883 -0.652 0.000
H7 1.627 -0.528 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 O5 H6 H7
C11.54541.24842.44362.45871.09962.4246
C21.54542.42961.24011.38152.25171.9694
O31.24842.42963.54702.75032.07292.2371
O42.44361.24013.54702.31112.68433.1154
O52.45871.38152.75032.31113.42990.9876
H61.09962.25172.07292.68433.42993.5123
H72.42461.96942.23713.11540.98763.5123

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 122.247 C1 C2 O5 114.176
C2 C1 O3 120.467 C2 C1 H6 115.685
C2 O5 H7 111.387 O3 C1 H6 123.848
O4 C2 O5 123.577
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 -0.091      
2 C 0.104      
3 O -0.135      
4 O -0.094      
5 O -0.328      
6 H 0.158      
7 H 0.386      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.635 -2.270 0.000 2.357
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.880 -0.618 0.000
y -0.618 -38.649 0.000
z 0.000 0.000 -26.874
Traceless
 xyz
x 6.882 -0.618 0.000
y -0.618 -12.272 0.000
z 0.000 0.000 5.390
Polar
3z2-r210.781
x2-y212.769
xy-0.618
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.003 -0.991 0.000
y -0.991 5.909 0.000
z 0.000 0.000 2.340


<r2> (average value of r2) Å2
<r2> 83.896
(<r2>)1/2 9.159