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

using model chemistry: B1B95/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/cc-pVDZ
 hartrees
Energy at 0K-303.000934
Energy at 298.15K-303.004168
HF Energy-303.000934
Nuclear repulsion energy164.008622
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 B1B95/cc-pVDZ
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' 3656 3514 118.28      
2 A' 3033 2915 44.24      
3 A' 1916 1841 196.04      
4 A' 1846 1775 118.98      
5 A' 1428 1372 342.47      
6 A' 1333 1282 13.43      
7 A' 1244 1196 12.12      
8 A' 909 874 41.37      
9 A' 694 667 15.38      
10 A' 507 487 4.69      
11 A' 297 286 36.39      
12 A" 1020 980 2.32      
13 A" 721 693 80.96      
14 A" 589 566 24.98      
15 A" 188 181 23.12      

Unscaled Zero Point Vibrational Energy (zpe) 9690.0 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 9314.0 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 B1B95/cc-pVDZ
ABC
0.37335 0.15509 0.10957

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.749 -0.746 0.000
C2 0.000 0.583 0.000
O3 -0.140 -1.785 0.000
O4 -0.567 1.639 0.000
O5 1.318 0.421 0.000
H6 -1.855 -0.673 0.000
H7 1.463 -0.546 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 O5 H6 H7
C11.52511.20462.39172.37271.10912.2203
C21.52512.37261.19851.32772.24041.8475
O31.20462.37263.45092.64422.04442.0264
O42.39171.19853.45092.24412.64672.9818
O52.37271.32772.64422.24413.35610.9770
H61.10912.24042.04442.64673.35613.3204
H72.22031.84752.02642.98180.97703.3204

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 122.379 C1 C2 O5 112.367
C2 C1 O3 120.269 C2 C1 H6 115.625
C2 O5 H7 105.562 O3 C1 H6 124.106
O4 C2 O5 125.254
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.172      
2 C 0.138      
3 O -0.184      
4 O -0.204      
5 O -0.137      
6 H 0.045      
7 H 0.169      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.333 -1.908 0.000 1.937
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.215 0.010 0.000
y 0.010 -34.877 0.000
z 0.000 0.000 -25.907
Traceless
 xyz
x 5.177 0.010 0.000
y 0.010 -9.316 0.000
z 0.000 0.000 4.139
Polar
3z2-r28.279
x2-y29.662
xy0.010
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.670 -0.652 0.000
y -0.652 5.122 0.000
z 0.000 0.000 2.139


<r2> (average value of r2) Å2
<r2> 98.001
(<r2>)1/2 9.900