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All results from a given calculation for HCO (Formyl radical)

using model chemistry: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-113.733640
Energy at 298.15K 
HF Energy-113.733640
Nuclear repulsion energy26.146191
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 PBEPBE/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 2521 2507 107.23 190.10 0.34 0.50
2 A' 1871 1860 73.75 15.03 0.57 0.73
3 A' 1061 1055 32.56 16.68 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2726.4 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 2710.6 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 PBEPBE/cc-pVDZ
ABC
22.23585 1.46124 1.37113

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.064 0.593 0.000
H2 -0.898 1.224 0.000
O3 0.064 -0.598 0.000

Atom - Atom Distances (Å)
  C1 H2 O3
C11.15031.1908
H21.15032.0602
O31.19082.0602

picture of Formyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 O3 123.278
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.007      
2 H 0.066      
3 O -0.059      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.866 1.011 0.000 1.331
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.253 -0.961 0.000
y -0.961 -11.354 0.000
z 0.000 0.000 -10.730
Traceless
 xyz
x -0.211 -0.961 0.000
y -0.961 -0.362 0.000
z 0.000 0.000 0.573
Polar
3z2-r21.146
x2-y20.101
xy-0.961
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.915 -0.434 0.000
y -0.434 2.566 0.000
z 0.000 0.000 1.185


<r2> (average value of r2) Å2
<r2> 14.271
(<r2>)1/2 3.778