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

using model chemistry: ROHF/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-113.288614
Energy at 298.15K 
HF Energy-113.288614
Nuclear repulsion energy27.086844
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/6-311+G(3df,2p)
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' 2949 2679 78.12      
2 A' 2130 1936 200.76      
3 A' 1245 1131 37.14      

Unscaled Zero Point Vibrational Energy (zpe) 3162.1 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 2872.8 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/6-311+G(3df,2p)
ABC
27.46175 1.54704 1.46454

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.058 0.567 0.000
H2 -0.814 1.244 0.000
O3 0.058 -0.581 0.000

Atom - Atom Distances (Å)
  C1 H2 O3
C11.10361.1485
H21.10362.0225
O31.14852.0225

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 127.801
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.347      
2 H 0.160      
3 O -0.506      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.912 1.926 0.000 2.131
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.405 -1.123 0.001
y -1.123 -11.413 0.002
z 0.001 0.002 -10.846
Traceless
 xyz
x -0.275 -1.123 0.001
y -1.123 -0.287 0.002
z 0.001 0.002 0.563
Polar
3z2-r21.125
x2-y20.008
xy-1.123
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> 13.898
(<r2>)1/2 3.728