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

using model chemistry: B2PLYP/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B2PLYP/6-31G
 hartrees
Energy at 0K-113.672419
Energy at 298.15K 
HF Energy-113.596941
Nuclear repulsion energy25.813271
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 B2PLYP/6-31G
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' 2804 2804 79.97 161.35 0.33 0.50
2 A' 1760 1760 42.96 13.84 0.42 0.59
3 A' 1139 1139 33.31 14.85 0.74 0.85

Unscaled Zero Point Vibrational Energy (zpe) 2852.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2852.0 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 B2PLYP/6-31G
ABC
25.10510 1.40612 1.33154

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.060 0.604 0.000
H2 -0.845 1.255 0.000
O3 0.060 -0.610 0.000

Atom - Atom Distances (Å)
  C1 H2 O3
C11.11491.2140
H21.11492.0731
O31.21402.0731

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 125.736
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.141      
2 H 0.149      
3 O -0.290      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.058 1.572 0.000 1.894
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.346 -1.079 -0.001
y -1.079 -11.809 -0.002
z -0.001 -0.002 -10.766
Traceless
 xyz
x -0.059 -1.079 -0.001
y -1.079 -0.753 -0.002
z -0.001 -0.002 0.812
Polar
3z2-r21.624
x2-y20.463
xy-1.079
xz-0.001
yz-0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.468 -0.351 0.000
y -0.351 2.651 0.000
z 0.000 0.000 0.985


<r2> (average value of r2) Å2
<r2> 14.567
(<r2>)1/2 3.817