return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: M06-2X/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at M06-2X/6-311+G(3df,2p)
 hartrees
Energy at 0K-213.772842
Energy at 298.15K 
HF Energy-213.772842
Nuclear repulsion energy67.839062
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 M06-2X/6-311+G(3df,2p)
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' 3123 3123 21.05 75.14 0.21 0.35
2 A' 1947 1947 313.53 15.38 0.11 0.20
3 A' 1387 1387 1.65 3.29 0.69 0.81
4 A' 1130 1130 266.30 3.05 0.30 0.46
5 A' 685 685 22.24 2.16 0.51 0.67
6 A" 1060 1060 0.07 0.91 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4665.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4665.8 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 M06-2X/6-311+G(3df,2p)
ABC
3.07444 0.39860 0.35285

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.396 0.000
O2 1.139 0.120 0.000
F3 -0.963 -0.526 0.000
H4 -0.446 1.395 0.000

Atom - Atom Distances (Å)
  C1 O2 F3 H4
C11.17151.33261.0937
O21.17152.19812.0335
F31.33262.19811.9885
H41.09372.03351.9885

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 122.621 O2 C1 H4 127.688
F3 C1 H4 109.691
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.725      
2 O -0.598      
3 F -0.314      
4 H 0.187      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.344 1.716 0.000 2.180
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.177 -1.218 0.000
y -1.218 -14.828 0.000
z 0.000 0.000 -15.330
Traceless
 xyz
x -4.098 -1.218 0.000
y -1.218 2.425 0.000
z 0.000 0.000 1.672
Polar
3z2-r23.345
x2-y2-4.349
xy-1.218
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.212 -0.030 0.000
y -0.030 2.509 0.000
z 0.000 0.000 1.847


<r2> (average value of r2) Å2
<r2> 34.666
(<r2>)1/2 5.888