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

using model chemistry: MP2=FULL/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at MP2=FULL/6-31G**
 hartrees
Energy at 0K-1393.674541
Energy at 298.15K-1393.676767
HF Energy-1392.429124
Nuclear repulsion energy614.027973
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 MP2=FULL/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 Ag 1354 1265 0.00      
2 Ag 1121 1047 0.00      
3 Ag 713 667 0.00      
4 Ag 457 427 0.00      
5 Ag 361 337 0.00      
6 Ag 265 248 0.00      
7 Au 1259 1177 356.64      
8 Au 386 361 0.80      
9 Au 224 209 1.76      
10 Au 74 69 0.24      
11 Bg 1248 1166 0.00      
12 Bg 557 520 0.00      
13 Bg 334 312 0.00      
14 Bu 1187 1109 365.75      
15 Bu 886 828 363.47      
16 Bu 605 565 14.56      
17 Bu 445 416 2.11      
18 Bu 176 164 1.58      

Unscaled Zero Point Vibrational Energy (zpe) 5825.1 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 5443.0 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 MP2=FULL/6-31G**
ABC
0.07363 0.03903 0.03518

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.242 0.730 0.000
C2 0.242 -0.730 0.000
Cl3 -1.992 0.805 0.000
Cl4 1.992 -0.805 0.000
F5 0.242 1.346 1.093
F6 0.242 1.346 -1.093
F7 -0.242 -1.346 1.093
F8 -0.242 -1.346 -1.093

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 F5 F6 F7 F8
C11.53821.75112.71041.34541.34542.34652.3465
C21.53822.71041.75112.34652.34651.34541.3454
Cl31.75112.71044.29642.54562.54562.98032.9803
Cl42.71041.75114.29642.98032.98032.54562.5456
F51.34542.34652.54562.98032.18672.73583.5023
F61.34542.34652.54562.98032.18673.50232.7358
F72.34651.34542.98032.54562.73583.50232.1867
F82.34651.34542.98032.54563.50232.73582.1867

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 110.806 C1 C2 F7 108.741
C1 C2 F8 108.741 C2 C1 Cl3 110.806
C2 C1 F5 108.741 C2 C1 F6 108.741
Cl3 C1 F5 109.897 Cl3 C1 F6 109.897
Cl4 C2 F7 109.897 Cl4 C2 F8 109.897
F5 C1 F6 108.712 F7 C2 F8 108.712
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability