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

using model chemistry: HF/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/daug-cc-pVTZ
 hartrees
Energy at 0K-301.607966
Energy at 298.15K-301.611277
HF Energy-301.607966
Nuclear repulsion energy165.501366
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 HF/daug-cc-pVTZ
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' 4066 3678 143.99      
2 A' 3204 2899 30.23      
3 A' 2050 1855 198.83      
4 A' 1998 1808 338.24      
5 A' 1513 1369 369.29      
6 A' 1470 1330 32.17      
7 A' 1329 1202 20.96      
8 A' 969 876 53.98      
9 A' 746 675 26.59      
10 A' 554 502 8.56      
11 A' 303 274 36.27      
12 A" 1140 1031 4.13      
13 A" 678 614 12.27      
14 A" 631 571 126.80      
15 A" 169 153 37.60      

Unscaled Zero Point Vibrational Energy (zpe) 10410.7 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 9417.5 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 HF/daug-cc-pVTZ
ABC
0.37493 0.15707 0.11070

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/daug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.729 -0.769 0.000
C2 0.000 0.575 0.000
O3 -0.133 -1.786 0.000
O4 -0.599 1.586 0.000
O5 1.308 0.486 0.000
H6 -1.814 -0.699 0.000
H7 1.578 -0.422 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 O5 H6 H7
C11.52941.17842.35842.39221.08752.3325
C21.52942.36481.17441.31072.21721.8664
O31.17842.36483.40342.68982.00192.1875
O42.35841.17443.40342.20082.58812.9609
O52.39221.31072.68982.20083.33930.9472
H61.08752.21722.00192.58813.33933.4031
H72.33251.86642.18752.96090.94723.4031

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 120.888 C1 C2 O5 114.552
C2 C1 O3 121.148 C2 C1 H6 114.780
C2 O5 H7 110.471 O3 C1 H6 124.073
O4 C2 O5 124.560
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.002      
2 C 1.507      
3 O -1.004      
4 O -1.007      
5 O -0.948      
6 H 1.067      
7 H 0.383      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.264 -1.945 0.000 1.963
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.160 0.508 0.000
y 0.508 -37.159 0.000
z 0.000 0.000 -26.430
Traceless
 xyz
x 6.635 0.508 0.000
y 0.508 -11.364 0.000
z 0.000 0.000 4.729
Polar
3z2-r29.458
x2-y211.999
xy0.508
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.016 -0.622 0.000
y -0.622 5.755 0.000
z 0.000 0.000 3.227


<r2> (average value of r2) Å2
<r2> 97.848
(<r2>)1/2 9.892