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All results from a given calculation for CF2CCl2 (difluorodichloroethylene)

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCSD/6-31G(2df,p)
 hartrees
Energy at 0K-1194.676472
Energy at 298.15K-1194.677142
HF Energy-1193.545343
Nuclear repulsion energy354.221763
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 CCSD/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 A1 1851 1750 165.05      
2 A1 1087 1028 159.71      
3 A1 647 612 3.49      
4 A1 447 423 0.79      
5 A1 260 246 0.06      
6 A2 163 154 0.00      
7 B1 637 602 8.01      
8 B1 331 313 0.09      
9 B2 1423 1345 122.12      
10 B2 1034 978 104.69      
11 B2 474 448 0.42      
12 B2 189 179 2.34      

Unscaled Zero Point Vibrational Energy (zpe) 4271.4 cm-1
Scaled (by 0.9455) Zero Point Vibrational Energy (zpe) 4038.6 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 CCSD/6-31G(2df,p)
ABC
0.08592 0.07379 0.03970

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.094
C2 0.000 0.000 -0.234
F3 0.000 1.079 1.823
F4 0.000 -1.079 1.823
Cl5 0.000 1.474 -1.117
Cl6 0.000 -1.474 -1.117

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.32791.30251.30252.65662.6566
C21.32792.32312.32311.71791.7179
F31.30252.32312.15852.96593.8935
F41.30252.32312.15853.89352.9659
Cl52.65661.71792.96593.89352.9479
Cl62.65661.71793.89352.96592.9479

picture of difluorodichloroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl5 120.907 C1 C2 Cl6 120.907
C2 C1 F3 124.047 C2 C1 F4 124.047
F3 C1 F4 111.907 Cl5 C2 Cl6 118.187
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability