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

using model chemistry: BLYP/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 BLYP/cc-pVDZ
 hartrees
Energy at 0K-303.044587
Energy at 298.15K-303.047668
HF Energy-303.044587
Nuclear repulsion energy161.259177
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/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' 3398 3403 81.20      
2 A' 2880 2885 66.98      
3 A' 1771 1774 153.13      
4 A' 1707 1710 72.13      
5 A' 1340 1342 317.64      
6 A' 1287 1289 2.70      
7 A' 1159 1161 0.32      
8 A' 839 841 42.53      
9 A' 662 663 11.08      
10 A' 476 476 4.11      
11 A' 274 274 33.11      
12 A" 970 971 1.20      
13 A" 712 713 71.30      
14 A" 554 555 16.74      
15 A" 180 180 18.81      

Unscaled Zero Point Vibrational Energy (zpe) 9104.1 cm-1
Scaled (by 1.0016) Zero Point Vibrational Energy (zpe) 9118.7 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/cc-pVDZ
ABC
0.36101 0.14976 0.10585

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.763 -0.752 0.000
C2 0.000 0.591 0.000
O3 -0.159 -1.817 0.000
O4 -0.564 1.670 0.000
O5 1.346 0.421 0.000
H6 -1.882 -0.664 0.000
H7 1.479 -0.564 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 O5 H6 H7
C11.54501.22402.43092.41341.12232.2495
C21.54502.41391.21781.35682.26181.8769
O31.22402.41393.51122.69782.07272.0625
O42.43091.21783.51122.28252.68043.0281
O52.41341.35682.69782.28253.40520.9946
H61.12232.26182.07272.68043.40523.3619
H72.24951.87692.06253.02810.99463.3619

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 122.814 C1 C2 O5 112.386
C2 C1 O3 120.884 C2 C1 H6 115.064
C2 O5 H7 104.870 O3 C1 H6 124.052
O4 C2 O5 124.801
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.159      
2 C 0.082      
3 O -0.143      
4 O -0.159      
5 O -0.098      
6 H 0.013      
7 H 0.147      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.249 -1.803 0.000 1.820
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.632 -0.118 0.000
y -0.118 -34.693 0.000
z 0.000 0.000 -26.107
Traceless
 xyz
x 4.768 -0.118 0.000
y -0.118 -8.824 0.000
z 0.000 0.000 4.056
Polar
3z2-r28.111
x2-y29.061
xy-0.118
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.137 -0.599 0.000
y -0.599 5.491 0.000
z 0.000 0.000 2.177


<r2> (average value of r2) Å2
<r2> 100.877
(<r2>)1/2 10.044