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

using model chemistry: MP2/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-136.309798
Energy at 298.15K-136.311485
HF Energy-135.572534
Nuclear repulsion energy230.562498
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/CEP-121G
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 1212 1182 0.00      
2 Ag 998 974 0.00      
3 Ag 616 602 0.00      
4 Ag 406 396 0.00      
5 Ag 325 317 0.00      
6 Ag 239 233 0.00      
7 Au 1049 1024 319.66      
8 Au 340 332 0.95      
9 Au 213 208 3.24      
10 Au 68 67 1.03      
11 Bg 1040 1015 0.00      
12 Bg 498 486 0.00      
13 Bg 295 288 0.00      
14 Bu 1012 987 310.14      
15 Bu 799 780 275.29      
16 Bu 518 505 17.62      
17 Bu 395 385 8.70      
18 Bu 156 152 2.08      

Unscaled Zero Point Vibrational Energy (zpe) 5088.3 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 4966.2 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 MP2/CEP-121G
ABC
0.06736 0.03537 0.03199

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.262 0.742 0.000
C2 0.262 -0.742 0.000
Cl3 -2.090 0.857 0.000
Cl4 2.090 -0.857 0.000
F5 0.262 1.405 1.147
F6 0.262 1.405 -1.147
F7 -0.262 -1.405 1.147
F8 -0.262 -1.405 -1.147

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 F5 F6 F7 F8
C11.57391.83222.84441.42411.42412.43392.4339
C21.57392.84441.83222.43392.43391.42411.4241
Cl31.83222.84444.51862.67332.67333.12663.1266
Cl42.84441.83224.51863.12663.12662.67332.6733
F51.42412.43392.67333.12662.29342.85783.6642
F61.42412.43392.67333.12662.29343.66422.8578
F72.43391.42413.12662.67332.85783.66422.2934
F82.43391.42413.12662.67333.66422.85782.2934

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 113.035 C1 C2 F7 108.451
C1 C2 F8 108.451 C2 C1 Cl3 113.035
C2 C1 F5 108.451 C2 C1 F6 108.451
Cl3 C1 F5 109.733 Cl3 C1 F6 109.733
Cl4 C2 F7 109.733 Cl4 C2 F8 109.733
F5 C1 F6 107.261 F7 C2 F8 107.261
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability