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

using model chemistry: B1B95/6-31+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 B1B95/6-31+G**
 hartrees
Energy at 0K-189.025032
Energy at 298.15K-189.026059
HF Energy-189.025032
Nuclear repulsion energy63.151010
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 B1B95/6-31+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' 2437 2332 31.18      
2 A' 1747 1671 87.32      
3 A' 1212 1159 2.64      
4 A' 750 717 124.80      
5 A' 479 458 275.47      
6 A" 860 823 0.25      

Unscaled Zero Point Vibrational Energy (zpe) 3742.7 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 3580.3 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 B1B95/6-31+G**
ABC
5.14118 0.38847 0.36118

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.217 0.000
H2 -0.231 1.349 0.000
O3 1.174 -0.063 0.000
O4 -1.146 -0.268 0.000

Atom - Atom Distances (Å)
  C1 H2 O3 O4
C11.15581.20741.2439
H21.15581.99241.8581
O31.20741.99242.3290
O41.24391.85812.3290

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 114.926 H2 C1 O4 101.424
O3 C1 O4 143.651
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.369      
2 H 0.208      
3 O -0.339      
4 O -0.238      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.629 1.634 0.000 1.751
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.010 -0.582 0.000
y -0.582 -14.296 0.000
z 0.000 0.000 -16.135
Traceless
 xyz
x -5.794 -0.582 0.000
y -0.582 4.277 0.000
z 0.000 0.000 1.517
Polar
3z2-r23.035
x2-y2-6.714
xy-0.582
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.973 0.518 0.000
y 0.518 2.716 0.000
z 0.000 0.000 1.650


<r2> (average value of r2) Å2
<r2> 35.004
(<r2>)1/2 5.916