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: B2PLYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP/cc-pVTZ
 hartrees
Energy at 0K-1157.919629
Energy at 298.15K-1157.920960
HF Energy-1157.583549
Nuclear repulsion energy303.386721
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 B2PLYP/cc-pVTZ
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 1112 1067 303.16 1.55 0.75 0.85
2 A1 669 642 13.21 6.16 0.00 0.01
3 A1 454 435 0.44 7.34 0.19 0.31
4 A1 260 250 0.04 2.70 0.64 0.78
5 A2 321 308 0.00 1.34 0.75 0.86
6 B1 893 857 405.11 2.86 0.75 0.86
7 B1 435 417 0.26 3.72 0.75 0.86
8 B2 1179 1131 217.62 0.56 0.75 0.86
9 B2 437 419 0.32 1.59 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2880.0 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 2763.0 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 B2PLYP/cc-pVTZ
ABC
0.13663 0.08688 0.07354

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.341
F2 0.000 1.077 1.123
F3 0.000 -1.077 1.123
Cl4 1.464 0.000 -0.655
Cl5 -1.464 0.000 -0.655

Atom - Atom Distances (Å)
  C1 F2 F3 Cl4 Cl5
C11.33091.33091.77101.7710
F21.33092.15442.54262.5426
F31.33092.15442.54262.5426
Cl41.77102.54262.54262.9286
Cl51.77102.54262.54262.9286

picture of difluorodichloromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 F3 108.068 F2 C1 Cl4 109.289
F2 C1 Cl5 109.289 F3 C1 Cl4 109.289
F3 C1 Cl5 109.289 Cl4 C1 Cl5 111.549
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.395      
2 F -0.125      
3 F -0.125      
4 Cl -0.072      
5 Cl -0.072      


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 -0.359 0.359
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.985 0.000 0.000
y 0.000 -41.222 0.000
z 0.000 0.000 -40.403
Traceless
 xyz
x 1.828 0.000 0.000
y 0.000 -1.529 0.000
z 0.000 0.000 -0.299
Polar
3z2-r2-0.599
x2-y22.238
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.856 0.000 0.000
y 0.000 4.144 0.000
z 0.000 0.000 5.041


<r2> (average value of r2) Å2
<r2> 156.867
(<r2>)1/2 12.525