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All results from a given calculation for CF2ClCF2Cl (1,2-Dichloro-1,1,2,2-tetrafluoroethane)

using model chemistry: CCSD(T)/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at CCSD(T)/cc-pVDZ
 hartrees
Energy at 0K-1393.836180
Energy at 298.15K-1393.838325
HF Energy-1392.494229
Nuclear repulsion energy609.922602
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(T)/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 1328 1300        
2 Ag 1081 1058        
3 Ag 703 688        
4 Ag 444 435        
5 Ag 361 353        
6 Ag 257 252        
7 Au 1250 1223        
8 Au 377 369        
9 Au 220 215        
10 Au 67 66        
11 Bg 1236 1210        
12 Bg 544 532        
13 Bg 324 317        
14 Bu 1166 1142        
15 Bu 851 833        
16 Bu 608 595        
17 Bu 438 428        
18 Bu 169 165        

Unscaled Zero Point Vibrational Energy (zpe) 5711.3 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 5590.2 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 CCSD(T)/cc-pVDZ
ABC
0.07320 0.03832 0.03447

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/cc-pVDZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.239 0.740 0.000
C2 0.239 -0.740 0.000
Cl3 -2.015 0.816 0.000
Cl4 2.015 -0.816 0.000
F5 0.239 1.356 1.091
F6 0.239 1.356 -1.091
F7 -0.239 -1.356 1.091
F8 -0.239 -1.356 -1.091

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 F5 F6 F7 F8
C11.55481.77692.73901.34191.34192.36302.3630
C21.55482.73901.77692.36302.36301.34191.3419
Cl31.77692.73904.34762.56192.56193.01053.0105
Cl42.73901.77694.34763.01053.01052.56192.5619
F51.34192.36302.56193.01052.18292.75443.5145
F61.34192.36302.56193.01052.18293.51452.7544
F72.36301.34193.01052.56192.75443.51452.1829
F82.36301.34193.01052.56193.51452.75442.1829

picture of 1,2-Dichloro-1,1,2,2-tetrafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl4 110.414 C1 C2 F7 109.107
C1 C2 F8 109.107 C2 C1 Cl3 110.414
C2 C1 F5 109.107 C2 C1 F6 109.107
Cl3 C1 F5 109.670 Cl3 C1 F6 109.670
Cl4 C2 F7 109.670 Cl4 C2 F8 109.670
F5 C1 F6 108.847 F7 C2 F8 108.847
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability