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All results from a given calculation for HCOO (formate neutral radical)

using model chemistry: HF/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at HF/6-311G**
 hartrees
Energy at 0K-188.181006
Energy at 298.15K-188.182310
HF Energy-188.181006
Nuclear repulsion energy63.416430
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 HF/6-311G**
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' 3181 2890 45.03      
2 A' 2001 1818 418.44      
3 A' 1503 1366 17.09      
4 A' 1179 1071 137.39      
5 A' 641 583 54.03      
6 A" 1152 1046 3.60      

Unscaled Zero Point Vibrational Energy (zpe) 4828.5 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 4386.7 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 HF/6-311G**
ABC
3.29867 0.43139 0.38150

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.359 0.000
H2 -0.323 1.403 0.000
O3 1.106 -0.024 0.000
O4 -1.066 -0.420 0.000

Atom - Atom Distances (Å)
  C1 H2 O3 O4
C11.09271.17081.3206
H21.09272.01941.9690
O31.17082.01942.2085
O41.32061.96902.2085

picture of formate neutral radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 O3 126.254 H2 C1 O4 108.992
O3 C1 O4 124.754
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.435      
2 H 0.101      
3 O -0.392      
4 O -0.144      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.715 1.797 0.000 2.484
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.067 -1.032 0.000
y -1.032 -14.515 0.000
z 0.000 0.000 -15.802
Traceless
 xyz
x -4.908 -1.032 0.000
y -1.032 3.419 0.000
z 0.000 0.000 1.489
Polar
3z2-r22.978
x2-y2-5.552
xy-1.032
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.821 -0.125 0.000
y -0.125 1.985 0.000
z 0.000 0.000 1.260


<r2> (average value of r2) Å2
<r2> 33.641
(<r2>)1/2 5.800