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

using model chemistry: PBEPBEultrafine/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at PBEPBEultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-188.924218
Energy at 298.15K-188.925475
HF Energy-188.924218
Nuclear repulsion energy62.963624
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 PBEPBEultrafine/aug-cc-pVDZ
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' 2989 2971 37.51      
2 A' 1435 1426 49.69      
3 A' 1335 1327 6.00      
4 A' 1214 1206 47.40      
5 A' 624 621 19.51      
6 A" 980 974 0.79      

Unscaled Zero Point Vibrational Energy (zpe) 4288.2 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 4262.0 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 PBEPBEultrafine/aug-cc-pVDZ
ABC
2.44570 0.47202 0.39566

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.440 0.000
H2 -0.001 1.552 0.000
O3 -1.057 -0.262 0.000
O4 1.057 -0.262 0.000

Atom - Atom Distances (Å)
  C1 H2 O3 O4
C11.11171.26841.2686
H21.11172.09842.0996
O31.26842.09842.1132
O41.26862.09962.1132

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 123.545 H2 C1 O4 123.652
O3 C1 O4 112.803
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.808      
2 H -0.166      
3 O -0.320      
4 O -0.321      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.001 2.284 0.000 2.284
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.050 -0.002 0.000
y -0.002 -15.037 0.000
z 0.000 0.000 -16.351
Traceless
 xyz
x -3.356 -0.002 0.000
y -0.002 2.664 0.000
z 0.000 0.000 0.692
Polar
3z2-r21.385
x2-y2-4.013
xy-0.002
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.335 -0.001 0.000
y -0.001 3.193 0.000
z 0.000 0.000 2.213


<r2> (average value of r2) Å2
<r2> 33.031
(<r2>)1/2 5.747