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 CF2CCl2 (difluorodichloroethylene)

using model chemistry: CCD/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCD/6-311G**
 hartrees
Energy at 0K-1194.603293
Energy at 298.15K-1194.603983
HF Energy-1193.634703
Nuclear repulsion energy353.216583
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 CCD/6-311G**
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 1847 1764 160.67      
2 A1 1072 1024 187.90      
3 A1 645 616 2.94      
4 A1 448 428 0.97      
5 A1 271 259 0.30      
6 A2 160 153 0.00      
7 B1 620 593 12.15      
8 B1 338 323 0.01      
9 B2 1396 1334 147.13      
10 B2 1035 989 116.12      
11 B2 471 450 0.45      
12 B2 193 184 2.76      

Unscaled Zero Point Vibrational Energy (zpe) 4248.5 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 4057.7 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 CCD/6-311G**
ABC
0.08577 0.07314 0.03948

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.097
C2 0.000 0.000 -0.234
F3 0.000 1.084 1.831
F4 0.000 -1.084 1.831
Cl5 0.000 1.474 -1.122
Cl6 0.000 -1.474 -1.122

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.33111.30961.30962.66322.6632
C21.33112.33282.33281.72011.7201
F31.30962.33282.16862.97843.9067
F41.30962.33282.16863.90672.9784
Cl52.66321.72012.97843.90672.9472
Cl62.66321.72013.90672.97842.9472

picture of difluorodichloroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl5 121.055 C1 C2 Cl6 121.055
C2 C1 F3 124.112 C2 C1 F4 124.112
F3 C1 F4 111.776 Cl5 C2 Cl6 117.890
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability