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: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-312.951499
Energy at 298.15K 
HF Energy-312.951499
Nuclear repulsion energy119.416388
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 A1 2012 1915 502.51 10.20 0.21 0.34
2 A1 987 940 60.27 7.54 0.07 0.14
3 A1 576 548 5.97 1.21 0.74 0.85
4 B1 777 740 40.11 0.78 0.75 0.86
5 B2 1273 1212 461.19 0.91 0.75 0.86
6 B2 615 586 8.41 2.45 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3119.9 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 2969.5 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
0.39203 0.38943 0.19536

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.319
C2 0.000 0.000 0.143
F3 0.000 1.064 -0.634
F4 0.000 -1.064 -0.634

Atom - Atom Distances (Å)
  O1 C2 F3 F4
O11.17592.22332.2233
C21.17591.31701.3170
F32.22331.31702.1276
F42.22331.31702.1276

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 126.124 O1 C2 F4 126.124
F3 C2 F4 107.752
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.381      
2 C 0.879      
3 F -0.249      
4 F -0.249      


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 -1.063 1.063
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.834 0.000 0.000
y 0.000 -21.307 0.000
z 0.000 0.000 -23.304
Traceless
 xyz
x 3.471 0.000 0.000
y 0.000 -0.238 0.000
z 0.000 0.000 -3.233
Polar
3z2-r2-6.466
x2-y22.473
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.658 0.000 0.000
y 0.000 2.467 0.000
z 0.000 0.000 3.181


<r2> (average value of r2) Å2
<r2> 54.839
(<r2>)1/2 7.405