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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/daug-cc-pVDZ
 hartrees
Energy at 0K-188.935218
Energy at 298.15K-188.936275
HF Energy-188.935218
Nuclear repulsion energy62.511438
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/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' 3409 3409 5.85      
2 A' 1799 1799 300.24      
3 A' 1250 1250 1.77      
4 A' 1026 1026 121.78      
5 A' 565 565 23.85      
6 A" 584 584 89.03      

Unscaled Zero Point Vibrational Energy (zpe) 4316.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4316.3 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/daug-cc-pVDZ
ABC
4.67429 0.38386 0.35473

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.443 0.000
O2 -1.075 -0.352 0.000
O3 1.171 0.181 0.000
H4 -0.771 -1.295 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.33681.20011.9019
O21.33682.30850.9914
O31.20012.30852.4401
H41.90190.99142.4401

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 108.643 O2 C1 O3 130.926
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.322      
2 O -0.273      
3 O -0.360      
4 H 0.312      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.003 -1.649 0.000 1.931
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.191 0.828 0.000
y 0.828 -14.536 0.000
z 0.000 0.000 -16.688
Traceless
 xyz
x -4.579 0.828 0.000
y 0.828 3.903 0.000
z 0.000 0.000 0.676
Polar
3z2-r21.352
x2-y2-5.654
xy0.828
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.341 0.304 0.000
y 0.304 4.008 0.000
z 0.000 0.000 2.643


<r2> (average value of r2) Å2
<r2> 35.625
(<r2>)1/2 5.969

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at PBEPBEultrafine/daug-cc-pVDZ
 hartrees
Energy at 0K-188.938304
Energy at 298.15K-188.939354
HF Energy-188.938304
Nuclear repulsion energy62.275505
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/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' 3665 3665 98.65      
2 A' 1828 1828 217.23      
3 A' 1202 1202 219.55      
4 A' 1049 1049 57.34      
5 A' 589 589 4.51      
6 A" 551 551 79.80      

Unscaled Zero Point Vibrational Energy (zpe) 4441.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4441.9 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 PBEPBEultrafine/daug-cc-pVDZ
ABC
5.33947 0.37587 0.35115

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.417 0.000
O2 -0.955 -0.544 0.000
O3 1.183 0.243 0.000
H4 -1.823 -0.094 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.35441.19541.8936
O21.35442.27790.9779
O31.19542.27793.0250
H41.89360.97793.0250

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 107.466 O2 C1 O3 126.490
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.483      
2 O -0.575      
3 O -0.350      
4 H 0.441      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.854 0.222 0.000 2.863
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.226 -0.867 0.000
y -0.867 -18.366 0.000
z 0.000 0.000 -16.745
Traceless
 xyz
x 3.330 -0.867 0.000
y -0.867 -2.880 0.000
z 0.000 0.000 -0.449
Polar
3z2-r2-0.899
x2-y24.140
xy-0.867
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.804 0.173 0.000
y 0.173 3.366 0.000
z 0.000 0.000 2.696


<r2> (average value of r2) Å2
<r2> 35.972
(<r2>)1/2 5.998