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

using model chemistry: ROHF/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at ROHF/aug-cc-pVTZ
 hartrees
Energy at 0K-113.290832
Energy at 298.15K 
HF Energy-113.290832
Nuclear repulsion energy27.055668
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 ROHF/aug-cc-pVTZ
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' 2953 2953 78.85      
2 A' 2122 2122 203.67      
3 A' 1245 1245 36.10      

Unscaled Zero Point Vibrational Energy (zpe) 3159.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 3159.9 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 ROHF/aug-cc-pVTZ
ABC
27.51703 1.54302 1.46109

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.058 0.568 0.000
H2 -0.813 1.245 0.000
O3 0.058 -0.582 0.000

Atom - Atom Distances (Å)
  C1 H2 O3
C11.10291.1501
H21.10292.0237
O31.15012.0237

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 127.841
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.172      
2 H 0.498      
3 O -0.326      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.908 1.918 0.000 2.122
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.408 -1.114 0.001
y -1.114 -11.388 0.002
z 0.001 0.002 -10.862
Traceless
 xyz
x -0.283 -1.114 0.001
y -1.114 -0.254 0.002
z 0.001 0.002 0.536
Polar
3z2-r21.073
x2-y2-0.019
xy-1.114
xz0.001
yz0.002


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


<r2> (average value of r2) Å2
<r2> 13.911
(<r2>)1/2 3.730