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

using model chemistry: PBEPBE/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at PBEPBE/Def2TZVPP
 hartrees
Energy at 0K-188.977963
Energy at 298.15K-188.979104
HF Energy-188.977963
Nuclear repulsion energy62.716877
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 PBEPBE/Def2TZVPP
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' 2295 2268 13.32      
2 A' 1700 1679 106.77      
3 A' 1177 1163 6.46      
4 A' 784 774 124.92      
5 A' 658 650 27.91      
6 A" 815 806 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 3714.4 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 3669.5 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 PBEPBE/Def2TZVPP
ABC
5.19342 0.38164 0.35552

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.223 0.000
H2 -0.281 1.346 0.000
O3 1.185 -0.036 0.000
O4 -1.150 -0.299 0.000

Atom - Atom Distances (Å)
  C1 H2 O3 O4
C11.15771.21281.2624
H21.15772.01491.8600
O31.21282.01492.3490
O41.26241.86002.3490

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 116.400 H2 C1 O4 100.355
O3 C1 O4 143.245
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.222      
2 H 0.134      
3 O -0.178      
4 O -0.178      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.000 1.479 0.000 1.479
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.578 -0.001 0.000
y -0.001 -14.362 0.000
z 0.000 0.000 -16.149
Traceless
 xyz
x -5.322 -0.001 0.000
y -0.001 4.002 0.000
z 0.000 0.000 1.320
Polar
3z2-r22.641
x2-y2-6.216
xy-0.001
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.094 0.000 0.000
y 0.000 2.758 0.000
z 0.000 0.000 1.852


<r2> (average value of r2) Å2
<r2> 35.312
(<r2>)1/2 5.942