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

using model chemistry: wB97X-D/daug-cc-pVDZ

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/daug-cc-pVDZ
 hartrees
Energy at 0K-189.063774
Energy at 298.15K-189.064878
HF Energy-189.063774
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/daug-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 604 604 33.68      
2 ?a 596 596 108.22      
3 A' 3695 3695 34.36      
4 A' 1896 1896 347.60      
5 A' 1309 1309 0.06      
6 A' 1107 1107 180.98      

Unscaled Zero Point Vibrational Energy (zpe) 4603.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4603.1 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/daug-cc-pVDZ
ABC
4.70612 0.39373 0.36334

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.444 0.000
O2 -1.061 -0.352 0.000
O3 1.156 0.179 0.000
H4 -0.762 -1.278 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.32561.18581.8831
O21.32562.27910.9736
O31.18582.27912.4088
H41.88310.97362.4088

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 109.011 O2 C1 O3 130.234
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.285      
2 O -0.262      
3 O -0.338      
4 H 0.315      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.093 -1.675 0.000 2.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.222 0.782 0.000
y 0.782 -14.061 0.000
z 0.000 0.000 -16.393
Traceless
 xyz
x -4.994 0.782 0.000
y 0.782 4.246 0.000
z 0.000 0.000 0.748
Polar
3z2-r21.496
x2-y2-6.161
xy0.782
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.960 0.140 0.000
y 0.140 3.418 0.000
z 0.000 0.000 2.464


<r2> (average value of r2) Å2
<r2> 34.879
(<r2>)1/2 5.906

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at wB97X-D/daug-cc-pVDZ
 hartrees
Energy at 0K-189.066860
Energy at 298.15K-189.067948
HF Energy-189.066860
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/daug-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' 3871 3871 136.53      
2 A' 1932 1932 258.58      
3 A' 1267 1267 267.07      
4 A' 1117 1117 54.72      
5 A' 622 622 3.44      
6 A" 555 555 85.90      

Unscaled Zero Point Vibrational Energy (zpe) 4682.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4682.1 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/daug-cc-pVDZ
ABC
5.56425 0.38369 0.35894

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.409 0.000
O2 -0.943 -0.539 0.000
O3 1.169 0.246 0.000
H4 -1.808 -0.111 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.33761.18071.8811
O21.33762.25380.9642
O31.18072.25382.9983
H41.88110.96422.9983

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 108.524 O2 C1 O3 126.900
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.456      
2 O -0.585      
3 O -0.323      
4 H 0.452      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.028 0.304 0.000 3.044
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.064 -0.957 0.000
y -0.957 -18.104 0.000
z 0.000 0.000 -16.443
Traceless
 xyz
x 3.210 -0.957 0.000
y -0.957 -2.850 0.000
z 0.000 0.000 -0.359
Polar
3z2-r2-0.719
x2-y24.040
xy-0.957
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.346 0.115 0.000
y 0.115 3.064 0.000
z 0.000 0.000 2.510


<r2> (average value of r2) Å2
<r2> 35.272
(<r2>)1/2 5.939