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All results from a given calculation for HFCO (formyl fluoride)

using model chemistry: B3LYP/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/3-21G*
 hartrees
Energy at 0K-212.585860
Energy at 298.15K-212.587172
Nuclear repulsion energy66.082623
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/3-21G*
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' 3109 2991 45.05      
2 A' 1836 1766 174.49      
3 A' 1435 1380 2.44      
4 A' 1103 1061 162.18      
5 A' 657 632 18.11      
6 A" 1068 1027 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 4603.6 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 4428.6 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/3-21G*
ABC
2.97051 0.37584 0.33363

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.409 0.000
O2 1.170 0.134 0.000
F3 -0.989 -0.547 0.000
H4 -0.458 1.399 0.000

Atom - Atom Distances (Å)
  C1 O2 F3 H4
C11.20161.37491.0911
O21.20162.26322.0615
F31.37492.26322.0169
H41.09112.06152.0169

picture of formyl fluoride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 C1 F3 122.760 O2 C1 H4 128.034
F3 C1 H4 109.206
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.456      
2 O -0.398      
3 F -0.258      
4 H 0.201      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.199 1.592 0.000 1.993
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.831 -1.102 0.000
y -1.102 -14.519 0.000
z 0.000 0.000 -14.846
Traceless
 xyz
x -4.149 -1.102 0.000
y -1.102 2.320 0.000
z 0.000 0.000 1.829
Polar
3z2-r23.659
x2-y2-4.312
xy-1.102
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.420 -0.025 0.000
y -0.025 1.615 0.000
z 0.000 0.000 0.807


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000