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

using model chemistry: M06-2X/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at M06-2X/6-31+G**
 hartrees
Energy at 0K-189.002757
Energy at 298.15K-189.003855
HF Energy-189.002757
Nuclear repulsion energy62.497952
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 M06-2X/6-31+G**
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' 2977 2835 30.71      
2 A' 1824 1737 309.98      
3 A' 1356 1291 10.43      
4 A' 1064 1013 67.27      
5 A' 418 398 40.39      
6 A" 1010 962 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 4324.4 cm-1
Scaled (by 0.9522) Zero Point Vibrational Energy (zpe) 4117.7 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 M06-2X/6-31+G**
ABC
3.29655 0.41651 0.36979

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.354 0.000
H2 -0.322 1.417 0.000
O3 1.130 -0.046 0.000
O4 -1.090 -0.397 0.000

Atom - Atom Distances (Å)
  C1 H2 O3 O4
C11.11071.19891.3239
H21.11072.06101.9705
O31.19892.06102.2481
O41.32391.97052.2481

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 126.304 H2 C1 O4 107.742
O3 C1 O4 125.954
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.342      
2 H 0.165      
3 O -0.410      
4 O -0.097      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.609 1.738 0.000 2.368
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.195 -0.826 0.000
y -0.826 -14.808 0.000
z 0.000 0.000 -16.304
Traceless
 xyz
x -4.639 -0.826 0.000
y -0.826 3.442 0.000
z 0.000 0.000 1.197
Polar
3z2-r22.394
x2-y2-5.387
xy-0.826
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.689 -0.034 0.000
y -0.034 2.599 0.000
z 0.000 0.000 1.684


<r2> (average value of r2) Å2
<r2> 34.553
(<r2>)1/2 5.878