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

using model chemistry: PBEPBE/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/cc-pVTZ
 hartrees
Energy at 0K-213.637921
Energy at 298.15K-213.639199
Nuclear repulsion energy66.717372
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 PBEPBE/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' 2995 2974 34.84      
2 A' 1837 1824 240.10      
3 A' 1312 1303 0.57      
4 A' 1030 1023 231.06      
5 A' 640 636 16.92      
6 A" 986 979 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 4399.7 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 4369.3 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 PBEPBE/cc-pVTZ
ABC
3.01697 0.38359 0.34032

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.402 0.000
O2 1.157 0.138 0.000
F3 -0.976 -0.546 0.000
H4 -0.473 1.399 0.000

Atom - Atom Distances (Å)
  C1 O2 F3 H4
C11.18681.36041.1040
O21.18682.24022.0612
F31.36042.24022.0089
H41.10402.06122.0089

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 123.014 O2 C1 H4 128.223
F3 C1 H4 108.763
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.275      
2 O -0.183      
3 F -0.131      
4 H 0.039      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.229 1.489 0.000 1.931
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.680 -1.066 0.000
y -1.066 -14.837 0.000
z 0.000 0.000 -15.316
Traceless
 xyz
x -3.603 -1.066 0.000
y -1.066 2.161 0.000
z 0.000 0.000 1.442
Polar
3z2-r22.885
x2-y2-3.842
xy-1.066
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.129 -0.003 0.000
y -0.003 2.383 0.000
z 0.000 0.000 1.585


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