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 CFCl (chlorofluoromethylene)

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 CS 1A'
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-598.015714
Energy at 298.15K-598.015323
HF Energy-598.015714
Nuclear repulsion energy85.795636
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 A' 1190 1133 290.19      
2 A' 770 733 259.79      
3 A' 451 429 12.93      

Unscaled Zero Point Vibrational Energy (zpe) 1205.6 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 1147.5 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
2.28881 0.21450 0.19612

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.899 0.000
F2 1.293 0.742 0.000
Cl3 -0.685 -0.710 0.000

Atom - Atom Distances (Å)
  C1 F2 Cl3
C11.30271.7488
F21.30272.4538
Cl31.74882.4538

picture of chlorofluoromethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Cl3 106.127
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.014      
2 F -0.107      
3 Cl 0.120      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.380 -0.629 0.000 0.734
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.819 1.087 0.000
y 1.087 -24.720 0.000
z 0.000 0.000 -22.216
Traceless
 xyz
x -0.351 1.087 0.000
y 1.087 -1.703 0.000
z 0.000 0.000 2.053
Polar
3z2-r24.107
x2-y20.901
xy1.087
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.754 1.160 0.000
y 1.160 4.916 0.000
z 0.000 0.000 2.623


<r2> (average value of r2) Å2
<r2> 56.131
(<r2>)1/2 7.492