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

using model chemistry: MP2/TZVP

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/TZVP
 hartrees
Energy at 0K-1194.613208
Energy at 298.15K-1194.613755
HF Energy-1193.658456
Nuclear repulsion energy349.849160
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/TZVP
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 1764 1672 0.00      
2 Ag 1214 1151 0.00      
3 Ag 647 613 0.00      
4 Ag 434 411 0.00      
5 Ag 296 281 0.00      
6 Au 356 338 0.61      
7 Au 133 126 0.43      
8 Bg 517 490 0.00      
9 Bu 1243 1179 315.15      
10 Bu 903 856 178.64      
11 Bu 434 411 3.55      
12 Bu 180 171 2.27      

Unscaled Zero Point Vibrational Energy (zpe) 4061.1 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 3849.5 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/TZVP
ABC
0.14257 0.05016 0.03711

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.062 0.664 0.000
C2 0.062 -0.664 0.000
F3 -1.261 1.239 0.000
F4 1.261 -1.239 0.000
Cl5 1.261 1.748 0.000
Cl6 -1.261 -1.748 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.33371.33002.31771.71042.6934
C21.33372.31771.33002.69341.7104
F31.33002.31773.53592.57352.9864
F42.31771.33003.53592.98642.5735
Cl51.71042.69342.57352.98644.3106
Cl62.69341.71042.98642.57354.3106

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 120.941 C1 C2 Cl6 123.979
C2 C1 F3 120.941 C2 C1 Cl5 123.979
F3 C1 Cl5 115.080 F4 C2 Cl6 115.080
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability