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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-113.772650
Energy at 298.15K 
HF Energy-113.772650
Nuclear repulsion energy26.333275
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 PBEPBEultrafine/aug-cc-pVTZ
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' 2569 2541 95.86 257.86 0.39 0.56
2 A' 1865 1844 84.10 20.43 0.72 0.84
3 A' 1063 1051 33.09 9.35 0.27 0.43

Unscaled Zero Point Vibrational Energy (zpe) 2748.9 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 2718.1 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 PBEPBEultrafine/aug-cc-pVTZ
ABC
23.36862 1.47729 1.38945

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.063 0.589 0.000
H2 -0.876 1.225 0.000
O3 0.063 -0.595 0.000

Atom - Atom Distances (Å)
  C1 H2 O3
C11.13411.1833
H21.13412.0474
O31.18332.0474

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 124.120
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.101      
2 H 0.312      
3 O -0.210      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.945 1.167 0.000 1.502
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.690 -1.140 0.000
y -1.140 -11.865 0.000
z 0.000 0.000 -11.108
Traceless
 xyz
x -0.203 -1.140 0.000
y -1.140 -0.466 0.000
z 0.000 0.000 0.670
Polar
3z2-r21.339
x2-y20.175
xy-1.140
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.833 -0.243 0.000
y -0.243 3.315 0.000
z 0.000 0.000 2.022


<r2> (average value of r2) Å2
<r2> 14.447
(<r2>)1/2 3.801