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

using model chemistry: B3PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B3PW91/6-31G
 hartrees
Energy at 0K-113.759343
Energy at 298.15K 
HF Energy-113.759343
Nuclear repulsion energy26.003595
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 B3PW91/6-31G
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' 2794 2676 77.29      
2 A' 1840 1762 63.86      
3 A' 1129 1081 35.84      

Unscaled Zero Point Vibrational Energy (zpe) 2881.5 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 2759.6 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 B3PW91/6-31G
ABC
25.15687 1.42827 1.35154

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.060 0.598 0.000
H2 -0.845 1.253 0.000
O3 0.060 -0.605 0.000

Atom - Atom Distances (Å)
  C1 H2 O3
C11.11701.2031
H21.11702.0664
O31.20312.0664

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 125.872
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.128      
2 H 0.168      
3 O -0.296      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.084 1.608 0.000 1.939
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.215 -1.120 0.000
y -1.120 -11.680 0.000
z 0.000 0.000 -10.681
Traceless
 xyz
x -0.034 -1.120 0.000
y -1.120 -0.732 0.000
z 0.000 0.000 0.766
Polar
3z2-r21.532
x2-y20.465
xy-1.120
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.510 -0.337 0.000
y -0.337 2.621 0.000
z 0.000 0.000 1.004


<r2> (average value of r2) Å2
<r2> 14.399
(<r2>)1/2 3.795