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

using model chemistry: BLYP/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/6-31G
 hartrees
Energy at 0K-302.919072
Energy at 298.15K-302.922086
HF Energy-302.919072
Nuclear repulsion energy159.264711
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 BLYP/6-31G
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' 3316 3291 35.31      
2 A' 2986 2964 45.75      
3 A' 1686 1673 103.52      
4 A' 1613 1601 47.61      
5 A' 1324 1314 7.97      
6 A' 1257 1248 307.18      
7 A' 1134 1125 0.90      
8 A' 819 813 58.89      
9 A' 645 640 9.46      
10 A' 480 476 4.35      
11 A' 276 273 34.46      
12 A" 959 952 3.51      
13 A" 679 673 124.31      
14 A" 533 528 26.13      
15 A" 180 178 24.67      

Unscaled Zero Point Vibrational Energy (zpe) 8942.9 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 8875.0 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 BLYP/6-31G
ABC
0.34819 0.14770 0.10371

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.786 -0.733 0.000
C2 0.000 0.581 0.000
O3 -0.192 -1.834 0.000
O4 -0.553 1.692 0.000
O5 1.373 0.406 0.000
H6 -1.886 -0.628 0.000
H7 1.572 -0.577 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 O5 H6 H7
C11.53051.25082.43622.44041.10582.3630
C21.53052.42231.24131.38442.24041.9529
O31.25082.42233.54452.73212.07962.1662
O42.43621.24133.54452.31632.67623.1091
O52.44041.38442.73212.31633.41941.0026
H61.10582.24042.07962.67623.41943.4591
H72.36301.95292.16623.10911.00263.4591

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 122.682 C1 C2 O5 113.597
C2 C1 O3 120.801 C2 C1 H6 115.438
C2 O5 H7 108.741 O3 C1 H6 123.761
O4 C2 O5 123.722
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.180      
2 C 0.428      
3 O -0.329      
4 O -0.330      
5 O -0.482      
6 H 0.155      
7 H 0.378      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.520 -2.061 0.000 2.126
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.914 -0.674 0.000
y -0.674 -36.881 0.000
z 0.000 0.000 -26.428
Traceless
 xyz
x 5.740 -0.674 0.000
y -0.674 -10.710 0.000
z 0.000 0.000 4.970
Polar
3z2-r29.939
x2-y210.966
xy-0.674
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.911 -0.880 0.000
y -0.880 5.647 0.000
z 0.000 0.000 1.806


<r2> (average value of r2) Å2
<r2> 103.234
(<r2>)1/2 10.160