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: B3LYP/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/CEP-31G
 hartrees
Energy at 0K-69.908599
Energy at 298.15K 
HF Energy-69.908599
Nuclear repulsion energy62.793936
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 B3LYP/CEP-31G
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 1823 1766 378.46 9.49 0.29 0.45
2 A1 863 836 47.79 10.84 0.10 0.19
3 A1 508 491 8.36 2.38 0.75 0.86
4 B1 671 649 35.99 0.86 0.75 0.86
5 B2 1115 1080 396.05 1.85 0.75 0.86
6 B2 552 535 9.36 4.57 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2765.9 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 2678.5 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 B3LYP/CEP-31G
ABC
0.35920 0.35905 0.17956

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.369
C2 0.000 0.000 0.160
F3 0.000 1.112 -0.662
F4 0.000 -1.112 -0.662

Atom - Atom Distances (Å)
  O1 C2 F3 F4
O11.20932.31572.3157
C21.20931.38261.3826
F32.31571.38262.2232
F42.31571.38262.2232

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 126.487 O1 C2 F4 126.487
F3 C2 F4 107.027
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.019      
2 C 0.173      
3 F -0.096      
4 F -0.096      


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 -0.660 0.660
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.010 0.000 0.000
y 0.000 -22.530 0.000
z 0.000 0.000 -24.409
Traceless
 xyz
x 4.460 0.000 0.000
y 0.000 -0.820 0.000
z 0.000 0.000 -3.639
Polar
3z2-r2-7.279
x2-y23.520
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.172 0.000 0.000
y 0.000 2.139 0.000
z 0.000 0.000 2.884


<r2> (average value of r2) Å2
<r2> 48.520
(<r2>)1/2 6.966