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

using model chemistry: HF/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at HF/cc-pVTZ
 hartrees
Energy at 0K-188.203961
Energy at 298.15K-188.205264
HF Energy-188.203961
Nuclear repulsion energy63.433917
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 HF/cc-pVTZ
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' 3169 2884 40.94      
2 A' 1986 1807 401.83      
3 A' 1499 1365 14.41      
4 A' 1177 1071 131.03      
5 A' 640 582 49.13      
6 A" 1150 1047 1.73      

Unscaled Zero Point Vibrational Energy (zpe) 4810.7 cm-1
Scaled (by 0.9101) Zero Point Vibrational Energy (zpe) 4378.2 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 HF/cc-pVTZ
ABC
3.29247 0.43194 0.38184

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.360 0.000
H2 -0.319 1.403 0.000
O3 1.106 -0.026 0.000
O4 -1.066 -0.419 0.000

Atom - Atom Distances (Å)
  C1 H2 O3 O4
C11.09111.17101.3202
H21.09112.01751.9698
O31.17102.01752.2071
O41.32021.96982.2071

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 126.184 H2 C1 O4 109.181
O3 C1 O4 124.635
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.354      
2 H 0.085      
3 O -0.342      
4 O -0.098      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.766 1.762 0.000 2.495
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.920 -0.962 0.000
y -0.962 -14.530 0.000
z 0.000 0.000 -15.905
Traceless
 xyz
x -4.703 -0.962 0.000
y -0.962 3.383 0.000
z 0.000 0.000 1.320
Polar
3z2-r22.641
x2-y2-5.391
xy-0.962
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.033 -0.091 0.000
y -0.091 2.259 0.000
z 0.000 0.000 1.587


<r2> (average value of r2) Å2
<r2> 33.613
(<r2>)1/2 5.798