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

using model chemistry: ROHF/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-113.254785
Energy at 298.15K 
HF Energy-113.254785
Nuclear repulsion energy26.913224
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/cc-pVDZ
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' 2954 2542 89.68      
2 A' 2144 1846 179.22      
3 A' 1239 1067 40.08      

Unscaled Zero Point Vibrational Energy (zpe) 3168.7 cm-1
Scaled (by 0.8607) Zero Point Vibrational Energy (zpe) 2727.3 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/cc-pVDZ
ABC
26.39264 1.53084 1.44692

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.059 0.572 0.000
H2 -0.829 1.243 0.000
O3 0.059 -0.584 0.000

Atom - Atom Distances (Å)
  C1 H2 O3
C11.11391.1556
H21.11392.0320
O31.15562.0320

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 127.086
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.122      
2 H 0.078      
3 O -0.200      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.853 1.877 0.000 2.061
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.213 -0.956 0.001
y -0.956 -11.116 0.002
z 0.001 0.002 -10.685
Traceless
 xyz
x -0.312 -0.956 0.001
y -0.956 -0.167 0.002
z 0.001 0.002 0.479
Polar
3z2-r20.958
x2-y2-0.097
xy-0.956
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> 13.845
(<r2>)1/2 3.721