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

using model chemistry: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-213.723897
Energy at 298.15K-213.725206
Nuclear repulsion energy67.254124
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 mPW1PW91/6-31+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' 3155 3003 23.81      
2 A' 1928 1835 311.09      
3 A' 1380 1313 1.37      
4 A' 1099 1046 278.74      
5 A' 665 632 20.78      
6 A" 1038 988 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 4631.7 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 4408.5 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 mPW1PW91/6-31+G**
ABC
3.04338 0.39086 0.34638

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.399 0.000
O2 1.149 0.124 0.000
F3 -0.971 -0.532 0.000
H4 -0.454 1.395 0.000

Atom - Atom Distances (Å)
  C1 O2 F3 H4
C11.18171.34551.0946
O21.18172.21972.0458
F31.34552.21971.9956
H41.09462.04581.9956

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 122.744 O2 C1 H4 127.948
F3 C1 H4 109.307
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.412      
2 O -0.341      
3 F -0.236      
4 H 0.165      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.335 1.778 0.000 2.223
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.285 -1.242 0.000
y -1.242 -14.841 0.000
z 0.000 0.000 -15.345
Traceless
 xyz
x -4.192 -1.242 0.000
y -1.242 2.474 0.000
z 0.000 0.000 1.718
Polar
3z2-r23.435
x2-y2-4.444
xy-1.242
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.230 -0.018 0.000
y -0.018 2.313 0.000
z 0.000 0.000 1.547


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