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

using model chemistry: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-113.817921
Energy at 298.15K 
HF Energy-113.817921
Nuclear repulsion energy26.458013
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 mPW1PW91/6-31G**
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' 2708 2577 88.47 146.11 0.34 0.50
2 A' 1985 1888 83.05 16.23 0.39 0.56
3 A' 1131 1076 37.49 14.97 0.71 0.83

Unscaled Zero Point Vibrational Energy (zpe) 2911.8 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 2770.5 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 mPW1PW91/6-31G**
ABC
23.83293 1.49004 1.40236

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.062 0.586 0.000
H2 -0.868 1.219 0.000
O3 0.062 -0.592 0.000

Atom - Atom Distances (Å)
  C1 H2 O3
C11.12461.1784
H21.12462.0360
O31.17842.0360

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 124.254
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.133      
2 H 0.134      
3 O -0.267      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.897 1.345 0.000 1.617
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.074 -0.992 0.000
y -0.992 -11.235 0.000
z 0.000 0.000 -10.595
Traceless
 xyz
x -0.159 -0.992 0.000
y -0.992 -0.400 0.000
z 0.000 0.000 0.560
Polar
3z2-r21.120
x2-y20.161
xy-0.992
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.699 -0.356 0.000
y -0.356 2.532 0.000
z 0.000 0.000 1.115


<r2> (average value of r2) Å2
<r2> 14.010
(<r2>)1/2 3.743