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 CF2Cl2 (difluorodichloromethane)

using model chemistry: HSEh1PBE/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HSEh1PBE/6-31G
 hartrees
Energy at 0K-1157.554502
Energy at 298.15K-1157.555652
HF Energy-1157.554502
Nuclear repulsion energy295.165574
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 HSEh1PBE/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 A1 1092 1045 298.42 1.35 0.65 0.79
2 A1 612 586 24.78 6.76 0.00 0.00
3 A1 422 404 0.00 11.42 0.26 0.41
4 A1 249 238 0.02 5.76 0.67 0.80
5 A2 303 290 0.00 3.04 0.75 0.86
6 B1 842 806 436.04 2.22 0.75 0.86
7 B1 410 392 0.05 5.97 0.75 0.86
8 B2 1186 1134 214.36 0.34 0.75 0.86
9 B2 407 390 3.10 3.64 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2762.3 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 2642.4 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 HSEh1PBE/6-31G
ABC
0.12997 0.08184 0.06964

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.347
F2 0.000 1.110 1.149
F3 0.000 -1.110 1.149
Cl4 1.509 0.000 -0.669
Cl5 -1.509 0.000 -0.669

Atom - Atom Distances (Å)
  C1 F2 F3 Cl4 Cl5
C11.36921.36921.81901.8190
F21.36922.22002.61002.6100
F31.36922.22002.61002.6100
Cl41.81902.61002.61003.0172
Cl51.81902.61002.61003.0172

picture of difluorodichloromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 F3 108.335 F2 C1 Cl4 109.091
F2 C1 Cl5 109.091 F3 C1 Cl4 109.091
F3 C1 Cl5 109.091 Cl4 C1 Cl5 112.069
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.126      
2 F -0.229      
3 F -0.229      
4 Cl 0.166      
5 Cl 0.166      


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 -0.484 0.484
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.941 0.000 0.000
y 0.000 -41.995 0.000
z 0.000 0.000 -41.150
Traceless
 xyz
x 1.631 0.000 0.000
y 0.000 -1.449 0.000
z 0.000 0.000 -0.182
Polar
3z2-r2-0.363
x2-y22.054
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.162 0.000 0.000
y 0.000 2.781 0.000
z 0.000 0.000 3.888


<r2> (average value of r2) Å2
<r2> 164.879
(<r2>)1/2 12.841