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: B2PLYP=FULLultrafine/aug-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 B2PLYP=FULLultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-213.745307
Energy at 298.15K 
HF Energy-213.519436
Nuclear repulsion energy67.292219
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 B2PLYP=FULLultrafine/aug-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' 3130 3002 20.01      
2 A' 1864 1788 274.98      
3 A' 1371 1315 0.32      
4 A' 1063 1020 268.12      
5 A' 662 635 19.76      
6 A" 1037 994 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 4563.4 cm-1
Scaled (by 0.9591) Zero Point Vibrational Energy (zpe) 4376.7 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 B2PLYP=FULLultrafine/aug-cc-pVTZ
ABC
3.05759 0.39074 0.34646

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.400 0.000
O2 1.148 0.130 0.000
F3 -0.969 -0.537 0.000
H4 -0.459 1.388 0.000

Atom - Atom Distances (Å)
  C1 O2 F3 H4
C11.17911.34771.0892
O21.17912.21972.0402
F31.34772.21971.9908
H41.08922.04021.9908

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 122.779 O2 C1 H4 128.125
F3 C1 H4 109.096
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.112      
2 O -0.343      
3 F -0.254      
4 H 0.486      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.265 1.687 0.000 2.109
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.252 -1.235 -0.001
y -1.235 -15.005 -0.002
z -0.001 -0.002 -15.446
Traceless
 xyz
x -4.026 -1.235 -0.001
y -1.235 2.345 -0.002
z -0.001 -0.002 1.682
Polar
3z2-r23.363
x2-y2-4.247
xy-1.235
xz-0.001
yz-0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.430 0.017 -0.000
y 0.017 2.686 0.000
z -0.000 0.000 1.994


<r2> (average value of r2) Å2
<r2> 35.167
(<r2>)1/2 5.930