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

using model chemistry: B1B95/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B1B95/6-311G**
 hartrees
Energy at 0K-189.069625
Energy at 298.15K-189.070675
HF Energy-189.069625
Nuclear repulsion energy63.535561
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 B1B95/6-311G**
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' 2333 2240 25.39      
2 A' 1782 1711 107.73      
3 A' 1201 1153 2.92      
4 A' 757 727 105.68      
5 A' 499 479 200.15      
6 A" 860 826 0.82      

Unscaled Zero Point Vibrational Energy (zpe) 3715.7 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 3567.4 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 B1B95/6-311G**
ABC
5.26857 0.39242 0.36521

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.209 0.000
H2 -0.252 1.345 0.000
O3 1.169 -0.051 0.000
O4 -1.137 -0.274 0.000

Atom - Atom Distances (Å)
  C1 H2 O3 O4
C11.16371.19741.2356
H21.16371.99191.8447
O31.19741.99192.3171
O41.23561.84472.3171

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 115.043 H2 C1 O4 100.465
O3 C1 O4 144.492
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.296      
2 H 0.177      
3 O -0.266      
4 O -0.206      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.601 1.510 0.000 1.625
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.432 -0.633 0.000
y -0.633 -14.032 0.000
z 0.000 0.000 -15.740
Traceless
 xyz
x -5.546 -0.633 0.000
y -0.633 4.054 0.000
z 0.000 0.000 1.492
Polar
3z2-r22.984
x2-y2-6.401
xy-0.633
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.897 0.466 0.000
y 0.466 2.432 0.000
z 0.000 0.000 1.331


<r2> (average value of r2) Å2
<r2> 34.487
(<r2>)1/2 5.873