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 CHFCl2 (fluorodichloromethane)

using model chemistry: PBEPBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-1058.397711
Energy at 298.15K-1058.399563
Nuclear repulsion energy209.276349
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 PBEPBE/6-31G(2df,p)
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' 3063 3031 5.09      
2 A' 1286 1273 15.98      
3 A' 1110 1099 168.84      
4 A' 707 700 42.14      
5 A' 441 437 1.90      
6 A' 261 258 0.10      
7 A" 1193 1181 51.92      
8 A" 738 730 262.11      
9 A" 352 348 0.45      

Unscaled Zero Point Vibrational Energy (zpe) 4574.9 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 4527.8 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 PBEPBE/6-31G(2df,p)
ABC
0.22979 0.10692 0.07636

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.176 0.533 0.000
H2 -1.099 1.127 0.000
F3 0.904 1.326 0.000
Cl4 -0.176 -0.478 1.477
Cl5 -0.176 -0.478 -1.477

Atom - Atom Distances (Å)
  C1 H2 F3 Cl4 Cl5
C11.09821.34011.79001.7900
H21.09822.01362.36902.3690
F31.34012.01362.56982.5698
Cl41.79002.36902.56982.9536
Cl51.79002.36902.56982.9536

picture of fluorodichloromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 110.961 H2 C1 Cl4 107.805
H2 C1 Cl5 107.805 F3 C1 Cl4 109.534
F3 C1 Cl5 109.534 Cl4 C1 Cl5 111.186
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.045      
2 H 0.185      
3 F -0.034      
4 Cl -0.098      
5 Cl -0.098      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.892 0.872 0.000 1.248
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.338 -1.533 0.000
y -1.533 -34.885 0.000
z 0.000 0.000 -36.199
Traceless
 xyz
x 0.204 -1.533 0.000
y -1.533 0.883 0.000
z 0.000 0.000 -1.087
Polar
3z2-r2-2.174
x2-y2-0.452
xy-1.533
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.146 0.168 0.000
y 0.168 4.990 0.000
z 0.000 0.000 7.205


<r2> (average value of r2) Å2
<r2> 132.696
(<r2>)1/2 11.519