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

using model chemistry: wB97X-D/cc-pVQZ

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/cc-pVQZ
 hartrees
Energy at 0K-189.122494
Energy at 298.15K-189.123603
HF Energy-189.122494
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/cc-pVQZ
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' 3701 3701 30.77      
2 A' 1909 1909 338.57      
3 A' 1313 1313 0.08      
4 A' 1108 1108 183.69      
5 A' 613 613 34.94      
6 A" 600 600 109.40      

Unscaled Zero Point Vibrational Energy (zpe) 4621.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4621.6 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/cc-pVQZ
ABC
4.78173 0.39768 0.36715

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.440 0.000
O2 -1.054 -0.353 0.000
O3 1.149 0.183 0.000
H4 -0.761 -1.277 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.31921.17731.8786
O21.31922.26710.9693
O31.17732.26712.4043
H41.87860.96932.4043

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 109.395 O2 C1 O3 130.409
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.331      
2 O -0.309      
3 O -0.270      
4 H 0.248      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.086 -1.706 0.000 2.023
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.001 0.729 0.000
y 0.729 -13.845 0.000
z 0.000 0.000 -16.141
Traceless
 xyz
x -5.009 0.729 0.000
y 0.729 4.227 0.000
z 0.000 0.000 0.782
Polar
3z2-r21.564
x2-y2-6.157
xy0.729
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.656 0.174 0.000
y 0.174 3.086 0.000
z 0.000 0.000 2.125


<r2> (average value of r2) Å2
<r2> 34.492
(<r2>)1/2 5.873

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at wB97X-D/cc-pVQZ
 hartrees
Energy at 0K-189.125527
Energy at 298.15K-189.126617
HF Energy-189.125527
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/cc-pVQZ
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' 3882 3882 132.09      
2 A' 1948 1948 248.11      
3 A' 1263 1263 265.75      
4 A' 1125 1125 59.63      
5 A' 635 635 3.89      
6 A" 552 552 87.82      

Unscaled Zero Point Vibrational Energy (zpe) 4702.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4702.9 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/cc-pVQZ
ABC
5.66397 0.38720 0.36243

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.406 0.000
O2 -0.937 -0.541 0.000
O3 1.162 0.252 0.000
H4 -1.800 -0.122 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.33231.17211.8761
O21.33232.24330.9595
O31.17212.24332.9855
H41.87610.95952.9855

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 108.807 O2 C1 O3 127.093
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.224      
2 O -0.260      
3 O -0.229      
4 H 0.265      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.028 0.277 0.000 3.040
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.834 -0.948 0.000
y -0.948 -17.842 0.000
z 0.000 0.000 -16.185
Traceless
 xyz
x 3.180 -0.948 0.000
y -0.948 -2.833 0.000
z 0.000 0.000 -0.347
Polar
3z2-r2-0.694
x2-y24.008
xy-0.948
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.042 0.141 0.000
y 0.141 2.667 0.000
z 0.000 0.000 2.149


<r2> (average value of r2) Å2
<r2> 34.878
(<r2>)1/2 5.906