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

using model chemistry: BLYP/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 BLYP/cc-pVTZ
 hartrees
Energy at 0K-189.140049
Energy at 298.15K-189.141307
HF Energy-189.140049
Nuclear repulsion energy63.078844
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 BLYP/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' 2962 2953 50.36      
2 A' 1418 1413 53.98      
3 A' 1309 1305 28.25      
4 A' 1215 1211 23.21      
5 A' 627 625 21.18      
6 A" 995 992 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 4262.9 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 4250.1 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 BLYP/cc-pVTZ
ABC
2.49678 0.47053 0.39592

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.435 0.000
H2 -0.002 1.538 0.000
O3 -1.058 -0.260 0.000
O4 1.058 -0.259 0.000

Atom - Atom Distances (Å)
  C1 H2 O3 O4
C11.10281.26571.2656
H21.10282.08462.0863
O31.26572.08462.1165
O41.26562.08632.1165

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 123.165 H2 C1 O4 123.363
O3 C1 O4 113.472
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.283      
2 H 0.038      
3 O -0.160      
4 O -0.160      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.003 2.222 0.000 2.222
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.775 -0.004 0.000
y -0.004 -14.914 0.000
z 0.000 0.000 -16.114
Traceless
 xyz
x -3.261 -0.004 0.000
y -0.004 2.530 0.000
z 0.000 0.000 0.731
Polar
3z2-r21.461
x2-y2-3.861
xy-0.004
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.783 0.000 0.000
y 0.000 2.736 0.000
z 0.000 0.000 1.741


<r2> (average value of r2) Å2
<r2> 32.863
(<r2>)1/2 5.733