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

using model chemistry: HSEh1PBE/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 HSEh1PBE/cc-pVDZ
 hartrees
Energy at 0K-302.800357
Energy at 298.15K-302.803586
HF Energy-302.800357
Nuclear repulsion energy163.778553
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 HSEh1PBE/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' 3636 3497 116.78      
2 A' 3026 2911 44.76      
3 A' 1908 1835 192.10      
4 A' 1839 1769 117.33      
5 A' 1428 1373 343.47      
6 A' 1330 1279 11.56      
7 A' 1244 1197 10.47      
8 A' 909 874 42.43      
9 A' 697 670 14.89      
10 A' 507 488 4.92      
11 A' 289 278 37.47      
12 A" 1022 983 2.30      
13 A" 724 696 80.92      
14 A" 591 568 24.19      
15 A" 188 181 23.07      

Unscaled Zero Point Vibrational Energy (zpe) 9668.5 cm-1
Scaled (by 0.9619) Zero Point Vibrational Energy (zpe) 9300.1 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 HSEh1PBE/cc-pVDZ
ABC
0.37226 0.15466 0.10927

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.749 -0.747 0.000
C2 0.000 0.584 0.000
O3 -0.140 -1.788 0.000
O4 -0.569 1.641 0.000
O5 1.319 0.423 0.000
H6 -1.858 -0.671 0.000
H7 1.465 -0.545 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 O5 H6 H7
C11.52651.20642.39412.37571.11192.2226
C21.52652.37621.20041.32922.24201.8495
O31.20642.37623.45572.64922.04922.0299
O42.39411.20043.45572.24722.64692.9859
O52.37571.32922.64922.24723.36030.9789
H61.11192.24202.04922.64693.36033.3251
H72.22261.84952.02992.98590.97893.3251

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 122.339 C1 C2 O5 112.407
C2 C1 O3 120.337 C2 C1 H6 115.471
C2 O5 H7 105.502 O3 C1 H6 124.192
O4 C2 O5 125.254
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.162      
2 C 0.141      
3 O -0.185      
4 O -0.205      
5 O -0.136      
6 H 0.055      
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
  -0.320 -1.903 0.000 1.929
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.279 0.017 0.000
y 0.017 -34.987 0.000
z 0.000 0.000 -25.991
Traceless
 xyz
x 5.211 0.017 0.000
y 0.017 -9.352 0.000
z 0.000 0.000 4.142
Polar
3z2-r28.284
x2-y29.709
xy0.017
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.708 -0.655 0.000
y -0.655 5.150 0.000
z 0.000 0.000 2.149


<r2> (average value of r2) Å2
<r2> 98.279
(<r2>)1/2 9.914