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

using model chemistry: MP2/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-503.508355
Energy at 298.15K-503.509962
HF Energy-502.788638
Nuclear repulsion energy369.025687
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/LANL2DZ
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 1204 1160 0.00      
2 Ag 987 951 0.00      
3 Ag 617 595 0.00      
4 Ag 400 386 0.00      
5 Ag 328 315 0.00      
6 Ag 240 231 0.00      
7 Au 1053 1014 349.67      
8 Au 343 330 1.94      
9 Au 210 202 4.47      
10 Au 64 62 0.81      
11 Bg 1033 995 0.00      
12 Bg 499 480 0.00      
13 Bg 294 284 0.00      
14 Bu 1015 978 293.47      
15 Bu 790 761 261.97      
16 Bu 522 503 16.93      
17 Bu 394 379 6.47      
18 Bu 157 151 2.15      

Unscaled Zero Point Vibrational Energy (zpe) 5075.0 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 4887.7 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/LANL2DZ
ABC
0.06777 0.03543 0.03205

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.259 0.740 0.000
C2 0.259 -0.740 0.000
Cl3 -2.086 0.864 0.000
Cl4 2.086 -0.864 0.000
F5 0.259 1.404 1.143
F6 0.259 1.404 -1.143
F7 -0.259 -1.404 1.143
F8 -0.259 -1.404 -1.143

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 F5 F6 F7 F8
C11.56841.83042.84081.41991.41992.42962.4296
C21.56842.84081.83042.42962.42961.41991.4199
Cl31.83042.84084.51462.66402.66403.12773.1277
Cl42.84081.83044.51463.12773.12772.66402.6640
F51.41992.42962.66403.12772.28592.85533.6576
F61.41992.42962.66403.12772.28593.65762.8553
F72.42961.41993.12772.66402.85533.65762.2859
F82.42961.41993.12772.66403.65762.85532.2859

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 113.180 C1 C2 F7 108.686
C1 C2 F8 108.686 C2 C1 Cl3 113.180
C2 C1 F5 108.686 C2 C1 F6 108.686
Cl3 C1 F5 109.447 Cl3 C1 F6 109.447
Cl4 C2 F7 109.447 Cl4 C2 F8 109.447
F5 C1 F6 107.217 F7 C2 F8 107.217
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability