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

using model chemistry: MP2/STO-3G

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/STO-3G
 hartrees
Energy at 0K-1376.324982
Energy at 298.15K-1376.326191
HF Energy-1376.122494
Nuclear repulsion energy585.043513
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/STO-3G
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 1300 1133 0.00      
2 Ag 1076 938 0.00      
3 Ag 694 605 0.00      
4 Ag 429 374 0.00      
5 Ag 327 285 0.00      
6 Ag 222 194 0.00      
7 Au 1380 1203 139.71      
8 Au 342 298 8.51      
9 Au 175 153 2.03      
10 Au 27 23 0.89      
11 Bg 1422 1240 0.00      
12 Bg 512 447 0.00      
13 Bg 283 247 0.00      
14 Bu 1228 1071 187.42      
15 Bu 840 733 268.18      
16 Bu 571 498 31.75      
17 Bu 408 355 1.08      
18 Bu 131 114 3.35      

Unscaled Zero Point Vibrational Energy (zpe) 5683.9 cm-1
Scaled (by 0.8719) Zero Point Vibrational Energy (zpe) 4955.8 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/STO-3G
ABC
0.06645 0.03567 0.03158

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/STO-3G

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.230 0.792 0.000
C2 0.230 -0.792 0.000
Cl3 -2.112 0.799 0.000
Cl4 2.112 -0.799 0.000
F5 0.230 1.437 1.125
F6 0.230 1.437 -1.125
F7 -0.230 -1.437 1.125
F8 -0.230 -1.437 -1.125

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 F5 F6 F7 F8
C11.64931.88172.83101.37641.37642.49712.4971
C21.64932.83101.88172.49712.49711.37641.3764
Cl31.88172.83104.51552.67502.67503.13203.1320
Cl42.83101.88174.51553.13203.13202.67502.6750
F51.37642.49712.67503.13202.25092.91093.6797
F61.37642.49712.67503.13202.25093.67972.9109
F72.49711.37643.13202.67502.91093.67972.2509
F82.49711.37643.13202.67503.67972.91092.2509

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 106.414 C1 C2 F7 110.921
C1 C2 F8 110.921 C2 C1 Cl3 106.414
C2 C1 F5 110.921 C2 C1 F6 110.921
Cl3 C1 F5 109.404 Cl3 C1 F6 109.404
Cl4 C2 F7 109.404 Cl4 C2 F8 109.404
F5 C1 F6 109.710 F7 C2 F8 109.710
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability