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: PBEPBEultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-1058.380560
Energy at 298.15K-1058.382406
HF Energy-1058.380560
Nuclear repulsion energy208.349354
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 PBEPBEultrafine/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3086 3035 9.16      
2 A' 1306 1284 23.25      
3 A' 1108 1090 186.62      
4 A' 710 699 49.38      
5 A' 440 433 2.60      
6 A' 266 262 0.16      
7 A" 1237 1217 62.09      
8 A" 736 723 290.71      
9 A" 351 345 0.57      

Unscaled Zero Point Vibrational Energy (zpe) 4619.4 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 4543.2 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 PBEPBEultrafine/6-31G*
ABC
0.22871 0.10568 0.07562

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.178 0.530 0.000
H2 -1.096 1.132 0.000
F3 0.912 1.328 0.000
Cl4 -0.178 -0.478 1.486
Cl5 -0.178 -0.478 -1.486

Atom - Atom Distances (Å)
  C1 H2 F3 Cl4 Cl5
C11.09841.35061.79531.7953
H21.09842.01752.37572.3757
F31.35062.01752.57992.5799
Cl41.79532.37572.57992.9713
Cl51.79532.37572.57992.9713

picture of fluorodichloromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 110.512 H2 C1 Cl4 107.938
H2 C1 Cl5 107.938 F3 C1 Cl4 109.373
F3 C1 Cl5 109.373 Cl4 C1 Cl5 111.693
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.085      
2 H 0.240      
3 F -0.182      
4 Cl 0.014      
5 Cl 0.014      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.009 0.896 0.000 1.350
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.420 -1.521 -0.001
y -1.521 -35.135 0.002
z -0.001 0.002 -36.574
Traceless
 xyz
x 0.435 -1.521 -0.001
y -1.521 0.862 0.002
z -0.001 0.002 -1.297
Polar
3z2-r2-2.594
x2-y2-0.285
xy-1.521
xz-0.001
yz0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.266 0.173 -0.003
y 0.173 4.265 -0.003
z -0.003 -0.003 6.577


<r2> (average value of r2) Å2
<r2> 133.901
(<r2>)1/2 11.572