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All results from a given calculation for CFClCClF (trans-1,2-dichloro-1,2-difluoroethylene)

using model chemistry: MP3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at MP3/6-31+G**
 hartrees
Energy at 0K-1194.409509
Energy at 298.15K-1194.410095
HF Energy-1193.517714
Nuclear repulsion energy349.563440
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 MP3/6-31+G**
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 1826 1699 0.00      
2 Ag 1249 1162 0.00      
3 Ag 654 608 0.00      
4 Ag 439 409 0.00      
5 Ag 297 276 0.00      
6 Au 365 340 1.77      
7 Au 135 126 0.44      
8 Bg 547 509 0.00      
9 Bu 1256 1169 298.98      
10 Bu 925 860 167.66      
11 Bu 436 405 5.29      
12 Bu 180 168 2.61      

Unscaled Zero Point Vibrational Energy (zpe) 4154.1 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 3865.4 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 MP3/6-31+G**
ABC
0.14262 0.05000 0.03702

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31+G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.052 0.664 0.000
C2 0.052 -0.664 0.000
F3 -1.259 1.246 0.000
F4 1.259 -1.246 0.000
Cl5 1.259 1.751 0.000
Cl6 -1.259 -1.751 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.33251.34022.31721.70332.7005
C21.33252.31721.34022.70051.7033
F31.34022.31723.54332.56862.9977
F42.31721.34023.54332.99772.5686
Cl51.70332.70052.56862.99774.3142
Cl62.70051.70332.99772.56864.3142

picture of trans-1,2-dichloro-1,2-difluoroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 120.216 C1 C2 Cl6 125.188
C2 C1 F3 120.216 C2 C1 Cl5 125.188
F3 C1 Cl5 114.596 F4 C2 Cl6 114.596
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability