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

using model chemistry: B3LYP/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 B3LYP/cc-pVDZ
 hartrees
Energy at 0K-189.093684
Energy at 298.15K-189.094947
HF Energy-189.093684
Nuclear repulsion energy63.568079
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 B3LYP/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' 3037 2945 56.57      
2 A' 1499 1454 70.80      
3 A' 1271 1233 81.88      
4 A' 1091 1058 181.57      
5 A' 653 633 25.71      
6 A" 1025 994 1.11      

Unscaled Zero Point Vibrational Energy (zpe) 4287.3 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 4158.7 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 B3LYP/cc-pVDZ
ABC
2.49640 0.48086 0.40319

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.434 0.000
H2 -0.002 1.543 0.000
O3 1.047 -0.258 0.000
O4 -1.047 -0.260 0.000

Atom - Atom Distances (Å)
  C1 H2 O3 O4
C11.10921.25481.2559
H21.10922.08432.0839
O31.25482.08432.0937
O41.25592.08392.0937

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 123.565 H2 C1 O4 123.432
O3 C1 O4 113.003
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.254      
2 H 0.023      
3 O -0.139      
4 O -0.138      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.007 2.235 0.000 2.235
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.301 -0.006 0.000
y -0.006 -14.562 0.000
z 0.000 0.000 -15.682
Traceless
 xyz
x -3.179 -0.006 0.000
y -0.006 2.430 0.000
z 0.000 0.000 0.749
Polar
3z2-r21.498
x2-y2-3.739
xy-0.006
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.201 0.004 0.000
y 0.004 2.339 0.000
z 0.000 0.000 1.323


<r2> (average value of r2) Å2
<r2> 32.225
(<r2>)1/2 5.677