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

using model chemistry: M06-2X/aug-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 M06-2X/aug-cc-pVDZ
 hartrees
Energy at 0K-189.056336
Energy at 298.15K-189.057437
HF Energy-189.056336
Nuclear repulsion energy63.310984
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 M06-2X/aug-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' 3673 3673 47.37      
2 A' 1925 1925 364.08      
3 A' 1312 1312 0.00      
4 A' 1123 1123 187.81      
5 A' 610 610 36.48      
6 A" 583 583 113.08      

Unscaled Zero Point Vibrational Energy (zpe) 4613.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4613.1 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 M06-2X/aug-cc-pVDZ
ABC
4.70331 0.39500 0.36439

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.444 0.000
O2 -1.059 -0.354 0.000
O3 1.153 0.181 0.000
H4 -0.753 -1.281 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.32571.18251.8819
O21.32572.27560.9760
O31.18252.27562.4023
H41.88190.97602.4023

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 108.748 O2 C1 O3 130.173
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.376      
2 O -0.228      
3 O -0.260      
4 H 0.112      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.059 -1.631 0.000 1.944
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.387 0.740 0.000
y 0.740 -14.091 0.000
z 0.000 0.000 -16.469
Traceless
 xyz
x -5.107 0.740 0.000
y 0.740 4.337 0.000
z 0.000 0.000 0.769
Polar
3z2-r21.539
x2-y2-6.296
xy0.740
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.830 0.090 0.000
y 0.090 3.292 0.000
z 0.000 0.000 2.318


<r2> (average value of r2) Å2
<r2> 34.864
(<r2>)1/2 5.905

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at M06-2X/aug-cc-pVDZ
 hartrees
Energy at 0K-189.058872
Energy at 298.15K-189.059976
HF Energy-189.058872
Nuclear repulsion energy63.057045
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 M06-2X/aug-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' 3834 3834 150.14      
2 A' 1964 1964 264.28      
3 A' 1268 1268 262.90      
4 A' 1117 1117 62.40      
5 A' 628 628 3.05      
6 A" 577 577 87.53      

Unscaled Zero Point Vibrational Energy (zpe) 4693.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4693.9 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 M06-2X/aug-cc-pVDZ
ABC
5.54870 0.38440 0.35950

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.410 0.000
O2 -0.941 -0.543 0.000
O3 1.167 0.250 0.000
H4 -1.809 -0.118 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.33911.17771.8842
O21.33912.25140.9663
O31.17772.25142.9979
H41.88420.96632.9979

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 108.545 O2 C1 O3 126.777
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.344      
2 O -0.296      
3 O -0.268      
4 H 0.220      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.995 0.350 0.000 3.015
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.135 -0.961 0.000
y -0.961 -18.187 0.000
z 0.000 0.000 -16.521
Traceless
 xyz
x 3.220 -0.961 0.000
y -0.961 -2.859 0.000
z 0.000 0.000 -0.360
Polar
3z2-r2-0.721
x2-y24.052
xy-0.961
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.235 0.074 0.000
y 0.074 2.936 0.000
z 0.000 0.000 2.349


<r2> (average value of r2) Å2
<r2> 35.287
(<r2>)1/2 5.940