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

using model chemistry: MP2/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at MP2/6-31G*
 hartrees
Energy at 0K-1393.634116
Energy at 298.15K-1393.636308
HF Energy-1392.428713
Nuclear repulsion energy613.250974
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 MP2/6-31G*
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 1352 1275 0.00      
2 Ag 1120 1056 0.00      
3 Ag 712 671 0.00      
4 Ag 456 430 0.00      
5 Ag 360 340 0.00      
6 Ag 265 250 0.00      
7 Au 1256 1184 356.89      
8 Au 385 363 0.81      
9 Au 224 211 1.76      
10 Au 73 69 0.24      
11 Bg 1245 1174 0.00      
12 Bg 556 525 0.00      
13 Bg 333 314 0.00      
14 Bu 1183 1116 366.24      
15 Bu 885 834 364.48      
16 Bu 603 569 14.56      
17 Bu 444 419 2.04      
18 Bu 175 165 1.55      

Unscaled Zero Point Vibrational Energy (zpe) 5813.0 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 5481.7 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 MP2/6-31G*
ABC
0.07345 0.03893 0.03509

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.237 0.736 0.000
C2 0.237 -0.736 0.000
Cl3 -1.999 0.788 0.000
Cl4 1.999 -0.788 0.000
F5 0.237 1.346 1.097
F6 0.237 1.346 -1.097
F7 -0.237 -1.346 1.097
F8 -0.237 -1.346 -1.097

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 F5 F6 F7 F8
C11.54591.76232.70591.34171.34172.35262.3526
C21.54592.70591.76232.35262.35261.34171.3417
Cl31.76232.70594.29712.55212.55212.97642.9764
Cl42.70591.76234.29712.97642.97642.55212.5521
F51.34172.35262.55212.97642.19372.73263.5042
F61.34172.35262.55212.97642.19373.50422.7326
F72.35261.34172.97642.55212.73263.50422.1937
F82.35261.34172.97642.55213.50422.73262.1937

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 109.584 C1 C2 F7 108.911
C1 C2 F8 108.911 C2 C1 Cl3 109.584
C2 C1 F5 108.911 C2 C1 F6 108.911
Cl3 C1 F5 109.871 Cl3 C1 F6 109.871
Cl4 C2 F7 109.871 Cl4 C2 F8 109.871
F5 C1 F6 109.670 F7 C2 F8 109.670
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability