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

using model chemistry: QCISD/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 QCISD/cc-pVDZ
 hartrees
Energy at 0K-1393.808840
Energy at 298.15K-1393.811042
HF Energy-1392.494940
Nuclear repulsion energy610.929905
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 QCISD/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 1347 1292 0.00      
2 Ag 1099 1054 0.00      
3 Ag 711 682 0.00      
4 Ag 450 432 0.00      
5 Ag 364 349 0.00      
6 Ag 260 249 0.00      
7 Au 1266 1214 408.35      
8 Au 381 366 1.01      
9 Au 222 213 2.24      
10 Au 69 66 0.19      
11 Bg 1253 1202 0.00      
12 Bg 549 527 0.00      
13 Bg 328 315 0.00      
14 Bu 1181 1133 394.29      
15 Bu 863 828 359.45      
16 Bu 613 589 13.13      
17 Bu 443 425 1.95      
18 Bu 171 164 1.50      

Unscaled Zero Point Vibrational Energy (zpe) 5784.8 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 5550.0 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 QCISD/cc-pVDZ
ABC
0.07349 0.03843 0.03456

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/cc-pVDZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.239 0.739 0.000
C2 0.239 -0.739 0.000
Cl3 -2.011 0.818 0.000
Cl4 2.011 -0.818 0.000
F5 0.239 1.354 1.089
F6 0.239 1.354 -1.089
F7 -0.239 -1.354 1.089
F8 -0.239 -1.354 -1.089

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 F5 F6 F7 F8
C11.55251.77332.73581.33961.33962.35932.3593
C21.55252.73581.77332.35932.35931.33961.3396
Cl31.77332.73584.34142.55652.55653.00733.0073
Cl42.73581.77334.34143.00733.00732.55652.5565
F51.33962.35932.55653.00732.17862.75043.5087
F61.33962.35932.55653.00732.17863.50872.7504
F72.35931.33963.00732.55652.75043.50872.1786
F82.35931.33963.00732.55653.50872.75042.1786

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 110.516 C1 C2 F7 109.103
C1 C2 F8 109.103 C2 C1 Cl3 110.516
C2 C1 F5 109.103 C2 C1 F6 109.103
Cl3 C1 F5 109.640 Cl3 C1 F6 109.640
Cl4 C2 F7 109.640 Cl4 C2 F8 109.640
F5 C1 F6 108.810 F7 C2 F8 108.810
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability