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

using model chemistry: BLYP/aug-cc-pVTZ

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 BLYP/aug-cc-pVTZ
 hartrees
Energy at 0K-189.154478
Energy at 298.15K-189.155514
HF Energy-189.154478
Nuclear repulsion energy62.543251
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 BLYP/aug-cc-pVTZ
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' 3379 3368 5.40      
2 A' 1770 1764 298.91      
3 A' 1248 1244 2.24      
4 A' 987 984 132.70      
5 A' 566 564 23.96      
6 A" 565 563 91.22      

Unscaled Zero Point Vibrational Energy (zpe) 4257.5 cm-1
Scaled (by 0.9966) Zero Point Vibrational Energy (zpe) 4243.0 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 BLYP/aug-cc-pVTZ
ABC
4.70501 0.38350 0.35459

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.443 0.000
O2 -1.071 -0.363 0.000
O3 1.168 0.194 0.000
H4 -0.776 -1.308 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.34041.19461.9148
O21.34042.30810.9899
O31.19462.30812.4574
H41.91480.98992.4574

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 109.597 O2 C1 O3 131.067
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.273      
2 O -0.177      
3 O -0.265      
4 H 0.170      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.967 -1.634 0.000 1.899
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.403 0.786 0.000
y 0.786 -14.557 0.000
z 0.000 0.000 -16.694
Traceless
 xyz
x -4.778 0.786 0.000
y 0.786 3.992 0.000
z 0.000 0.000 0.786
Polar
3z2-r21.572
x2-y2-5.847
xy0.786
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.324 0.325 -0.000
y 0.325 4.012 -0.000
z -0.000 -0.000 2.627


<r2> (average value of r2) Å2
<r2> 35.704
(<r2>)1/2 5.975

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at BLYP/aug-cc-pVTZ
 hartrees
Energy at 0K-189.157911
Energy at 298.15K-189.158944
HF Energy-189.157911
Nuclear repulsion energy62.264996
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 BLYP/aug-cc-pVTZ
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' 3637 3624 95.32      
2 A' 1804 1798 210.39      
3 A' 1197 1193 198.57      
4 A' 1004 1000 91.14      
5 A' 592 590 5.43      
6 A" 539 537 80.45      

Unscaled Zero Point Vibrational Energy (zpe) 4386.1 cm-1
Scaled (by 0.9966) Zero Point Vibrational Energy (zpe) 4371.2 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 BLYP/aug-cc-pVTZ
ABC
5.35468 0.37509 0.35054

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.419 0.000
O2 -0.950 -0.556 0.000
O3 1.179 0.258 0.000
H4 -1.827 -0.126 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.36151.18961.9063
O21.36152.27940.9763
O31.18962.27943.0299
H41.90630.97633.0299

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 108.130 O2 C1 O3 126.500
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.224      
2 O -0.188      
3 O -0.246      
4 H 0.210      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.830 0.234 0.000 2.840
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.373 -0.843 0.000
y -0.843 -18.446 0.000
z 0.000 0.000 -16.761
Traceless
 xyz
x 3.230 -0.843 0.000
y -0.843 -2.879 0.000
z 0.000 0.000 -0.351
Polar
3z2-r2-0.702
x2-y24.073
xy-0.843
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.793 0.211 0.000
y 0.211 3.336 -0.000
z 0.000 -0.000 2.675


<r2> (average value of r2) Å2
<r2> 36.075
(<r2>)1/2 6.006