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All results from a given calculation for HOCO (Hydrocarboxyl radical)

using model chemistry: wB97X-D/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no CS cis 1A'
1 2 yes CS trans 1A'

Conformer 1 (CS cis)

Jump to S1C2
Energy calculated at wB97X-D/CEP-31G*
 hartrees
Energy at 0K-38.138005
Energy at 298.15K-38.139080
HF Energy-38.138005
Nuclear repulsion energy 
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 wB97X-D/CEP-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' 3707 3707 25.82      
2 A' 1889 1889 360.56      
3 A' 1300 1300 0.21      
4 A' 1105 1105 201.07      
5 A' 591 591 38.98      
6 A" 586 586 135.76      

Unscaled Zero Point Vibrational Energy (zpe) 4588.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4588.7 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 wB97X-D/CEP-31G*
ABC
4.54453 0.38742 0.35699

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.452 0.000
O2 -1.072 -0.351 0.000
O3 1.167 0.171 0.000
H4 -0.762 -1.280 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.33891.20011.8922
O21.33892.29850.9799
O31.20012.29852.4137
H41.89220.97992.4137

picture of Hydrocarboxyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 108.387 O2 C1 O3 129.644
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.078      
2 O -0.275      
3 O -0.055      
4 H 0.409      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.001 -1.915 0.000 2.161
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.274 0.801 0.000
y 0.801 -13.566 0.000
z 0.000 0.000 -16.103
Traceless
 xyz
x -5.440 0.801 0.000
y 0.801 4.623 0.000
z 0.000 0.000 0.818
Polar
3z2-r21.635
x2-y2-6.708
xy0.801
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.264 0.083 0.000
y 0.083 2.610 0.000
z 0.000 0.000 1.657


<r2> (average value of r2) Å2
<r2> 29.407
(<r2>)1/2 5.423

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at wB97X-D/CEP-31G*
 hartrees
Energy at 0K-38.141487
Energy at 298.15K-38.142534
HF Energy-38.141487
Nuclear repulsion energy 
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 wB97X-D/CEP-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' 3874 3874 103.37      
2 A' 1933 1933 248.39      
3 A' 1263 1263 294.54      
4 A' 1101 1101 57.71      
5 A' 607 607 4.38      
6 A" 533 533 107.82      

Unscaled Zero Point Vibrational Energy (zpe) 4655.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4655.1 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 wB97X-D/CEP-31G*
ABC
5.38707 0.37606 0.35152

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.415 0.000
O2 -0.955 -0.544 0.000
O3 1.182 0.244 0.000
H4 -1.817 -0.097 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.35321.19441.8878
O21.35322.27790.9709
O31.19442.27793.0186
H41.88780.97093.0186

picture of Hydrocarboxyl radical state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 107.499 O2 C1 O3 126.681
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.128      
2 O -0.276      
3 O -0.022      
4 H 0.427      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.162 0.405 0.000 3.188
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.462 -1.156 0.000
y -1.156 -17.882 0.000
z 0.000 0.000 -16.164
Traceless
 xyz
x 3.561 -1.156 0.000
y -1.156 -3.069 0.000
z 0.000 0.000 -0.492
Polar
3z2-r2-0.983
x2-y24.420
xy-1.156
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.767 0.103 0.000
y 0.103 2.188 0.000
z 0.000 0.000 1.675


<r2> (average value of r2) Å2
<r2> 29.880
(<r2>)1/2 5.466