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 CF2O (Carbonic difluoride)

using model chemistry: HF/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/CEP-121G
 hartrees
Energy at 0K-68.785808
Energy at 298.15K 
HF Energy-68.785808
Nuclear repulsion energy64.581620
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 HF/CEP-121G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 2007 1832 571.72 11.54 0.30 0.47
2 A1 969 884 54.87 9.41 0.09 0.17
3 A1 564 514 11.65 1.61 0.74 0.85
4 B1 771 703 76.62 2.12 0.75 0.86
5 B2 1304 1190 464.35 1.19 0.75 0.86
6 B2 620 566 22.18 3.95 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3116.8 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 2844.1 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 HF/CEP-121G
ABC
0.38239 0.37736 0.18993

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.330
C2 0.000 0.000 0.148
F3 0.000 1.084 -0.640
F4 0.000 -1.084 -0.640

Atom - Atom Distances (Å)
  O1 C2 F3 F4
O11.18192.24852.2485
C21.18191.34031.3403
F32.24851.34032.1686
F42.24851.34032.1686

picture of Carbonic difluoride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 F3 126.002 O1 C2 F4 126.002
F3 C2 F4 107.997
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.126      
2 C 0.511      
3 F -0.193      
4 F -0.193      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.827 0.827
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.814 0.000 0.000
y 0.000 -23.012 0.000
z 0.000 0.000 -24.949
Traceless
 xyz
x 5.167 0.000 0.000
y 0.000 -1.131 0.000
z 0.000 0.000 -4.036
Polar
3z2-r2-8.071
x2-y24.199
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.094 0.000 0.000
y 0.000 1.816 0.000
z 0.000 0.000 2.683


<r2> (average value of r2) Å2
<r2> 46.793
(<r2>)1/2 6.841