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

using model chemistry: ROHF/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 ROHF/6-31G**
 hartrees
Energy at 0K-188.131861
Energy at 298.15K-188.133160
HF Energy-188.131861
Nuclear repulsion energy63.196634
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/6-31G**
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' 3211 2744 40.27      
2 A' 2016 1723 381.86      
3 A' 1511 1291 17.55      
4 A' 1195 1022 130.91      
5 A' 636 543 51.72      
6 A" 1151 983 4.14      

Unscaled Zero Point Vibrational Energy (zpe) 4859.5 cm-1
Scaled (by 0.8546) Zero Point Vibrational Energy (zpe) 4152.9 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/6-31G**
ABC
3.26594 0.42887 0.37909

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.362 0.000
H2 -0.316 1.406 0.000
O3 1.110 -0.030 0.000
O4 -1.071 -0.418 0.000

Atom - Atom Distances (Å)
  C1 H2 O3 O4
C11.09131.17711.3242
H21.09132.02371.9738
O31.17712.02372.2151
O41.32421.97382.2151

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 126.245 H2 C1 O4 109.217
O3 C1 O4 124.538
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.595      
2 H 0.142      
3 O -0.488      
4 O -0.248      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.712 1.817 0.000 2.496
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.997 -1.002 0.000
y -1.002 -14.495 0.000
z 0.000 0.000 -15.802
Traceless
 xyz
x -4.849 -1.002 0.000
y -1.002 3.405 0.000
z 0.000 0.000 1.444
Polar
3z2-r22.889
x2-y2-5.502
xy-1.002
xz0.000
yz0.000


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> 33.765
(<r2>)1/2 5.811