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

using model chemistry: PBEPBEultrafine/Def2TZVPP

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 PBEPBEultrafine/Def2TZVPP
 hartrees
Energy at 0K-188.985572
Energy at 298.15K-188.986633
HF Energy-188.985572
Nuclear repulsion energy62.813070
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 PBEPBEultrafine/Def2TZVPP
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' 3421 3421 6.37      
2 A' 1812 1812 287.89      
3 A' 1259 1259 1.01      
4 A' 1029 1029 123.70      
5 A' 572 572 26.42      
6 A" 591 591 92.18      

Unscaled Zero Point Vibrational Energy (zpe) 4341.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4341.4 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 PBEPBEultrafine/Def2TZVPP
ABC
4.73736 0.38724 0.35798

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.440 0.000
O2 -1.069 -0.353 0.000
O3 1.165 0.185 0.000
H4 -0.771 -1.296 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.33101.19261.8990
O21.33102.29780.9883
O31.19262.29782.4372
H41.89900.98832.4372

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 109.030 O2 C1 O3 131.077
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.144      
2 O -0.177      
3 O -0.165      
4 H 0.198      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.995 -1.724 0.000 1.990
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.995 0.765 0.000
y 0.765 -14.257 0.000
z 0.000 0.000 -16.410
Traceless
 xyz
x -4.662 0.765 0.000
y 0.765 3.945 0.000
z 0.000 0.000 0.716
Polar
3z2-r21.433
x2-y2-5.738
xy0.765
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.851 0.334 0.000
y 0.334 3.406 0.000
z 0.000 0.000 2.100


<r2> (average value of r2) Å2
<r2> 35.252
(<r2>)1/2 5.937

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at PBEPBEultrafine/Def2TZVPP
 hartrees
Energy at 0K-188.988515
Energy at 298.15K-188.989562
HF Energy-188.988515
Nuclear repulsion energy62.562397
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 PBEPBEultrafine/Def2TZVPP
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' 3689 3689 98.77      
2 A' 1844 1844 203.06      
3 A' 1199 1199 221.22      
4 A' 1059 1059 61.76      
5 A' 599 599 4.79      
6 A" 545 545 83.54      

Unscaled Zero Point Vibrational Energy (zpe) 4466.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4466.7 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 PBEPBEultrafine/Def2TZVPP
ABC
5.43188 0.37873 0.35404

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.414 0.000
O2 -0.949 -0.546 0.000
O3 1.176 0.249 0.000
H4 -1.818 -0.105 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.34951.18781.8900
O21.34952.26900.9741
O31.18782.26903.0146
H41.89000.97413.0146

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 107.754 O2 C1 O3 126.712
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.064      
2 O -0.148      
3 O -0.145      
4 H 0.230      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.894 0.197 0.000 2.901
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.927 -0.883 0.000
y -0.883 -18.070 0.000
z 0.000 0.000 -16.471
Traceless
 xyz
x 3.343 -0.883 0.000
y -0.883 -2.871 0.000
z 0.000 0.000 -0.473
Polar
3z2-r2-0.946
x2-y24.143
xy-0.883
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.308 0.216 0.000
y 0.216 2.702 0.000
z 0.000 0.000 2.137


<r2> (average value of r2) Å2
<r2> 35.585
(<r2>)1/2 5.965