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

using model chemistry: B3LYPultrafine/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B3LYPultrafine/3-21G
 hartrees
Energy at 0K-113.212461
Energy at 298.15K 
HF Energy-113.212461
Nuclear repulsion energy26.006199
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 B3LYPultrafine/3-21G
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' 2660 2567 79.98 124.29 0.33 0.50
2 A' 1830 1766 47.81 11.57 0.35 0.52
3 A' 1115 1076 30.13 17.13 0.70 0.82

Unscaled Zero Point Vibrational Energy (zpe) 2802.4 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 2704.0 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 B3LYPultrafine/3-21G
ABC
25.18181 1.42822 1.35156

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.060 0.597 0.000
H2 -0.845 1.260 0.000
O3 0.060 -0.605 0.000

Atom - Atom Distances (Å)
  C1 H2 O3
C11.12271.2017
H21.12272.0735
O31.20172.0735

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 126.224
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.153      
2 H 0.186      
3 O -0.339      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.020 1.282 0.000 1.638
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.160 -1.070 0.000
y -1.070 -11.600 0.000
z 0.000 0.000 -10.632
Traceless
 xyz
x -0.045 -1.070 0.000
y -1.070 -0.703 0.000
z 0.000 0.000 0.748
Polar
3z2-r21.496
x2-y20.439
xy-1.070
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.386 -0.359 0.000
y -0.359 2.327 0.000
z 0.000 0.000 0.911


<r2> (average value of r2) Å2
<r2> 14.371
(<r2>)1/2 3.791