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

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-189.056018
Energy at 298.15K-189.057285
HF Energy-189.056018
Nuclear repulsion energy63.936680
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 B3PW91/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3066 2951 61.39      
2 A' 1516 1460 74.56      
3 A' 1296 1248 102.52      
4 A' 1101 1060 199.12      
5 A' 660 635 26.85      
6 A" 1025 987 0.89      

Unscaled Zero Point Vibrational Energy (zpe) 4332.1 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 4170.6 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 B3PW91/6-311G*
ABC
2.53209 0.48594 0.40770

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.431 0.000
H2 -0.001 1.530 0.000
O3 1.041 -0.257 0.000
O4 -1.041 -0.258 0.000

Atom - Atom Distances (Å)
  C1 H2 O3 O4
C11.09901.24811.2487
H21.09902.06882.0686
O31.24812.06882.0827
O41.24872.06862.0827

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 123.512 H2 C1 O4 123.428
O3 C1 O4 113.060
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.200      
2 H 0.198      
3 O -0.199      
4 O -0.199      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.004 2.374 0.000 2.374
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.623 -0.004 0.000
y -0.004 -14.546 0.000
z 0.000 0.000 -15.807
Traceless
 xyz
x -3.447 -0.004 0.000
y -0.004 2.669 0.000
z 0.000 0.000 0.778
Polar
3z2-r21.556
x2-y2-4.077
xy-0.004
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.600 0.003 0.000
y 0.003 2.307 0.000
z 0.000 0.000 1.382


<r2> (average value of r2) Å2
<r2> 32.064
(<r2>)1/2 5.662