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

using model chemistry: B2PLYP=FULLultrafine/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at B2PLYP=FULLultrafine/6-31G
 hartrees
Energy at 0K-1195.446989
Energy at 298.15K 
HF Energy-1195.267433
Nuclear repulsion energy339.850799
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 B2PLYP=FULLultrafine/6-31G
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 1783 1783 0.00      
2 Ag 1151 1151 0.00      
3 Ag 599 599 0.00      
4 Ag 400 400 0.00      
5 Ag 274 274 0.00      
6 Au 348 348 3.37      
7 Au 130 130 0.25      
8 Bg 541 541 0.00      
9 Bu 1184 1184 212.66      
10 Bu 822 822 156.01      
11 Bu 396 396 2.83      
12 Bu 170 170 3.56      

Unscaled Zero Point Vibrational Energy (zpe) 3898.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 3898.8 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 B2PLYP=FULLultrafine/6-31G
ABC
0.13523 0.04728 0.03503

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-31G

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.064 0.663 0.000
C2 0.064 -0.663 0.000
F3 -1.302 1.261 0.000
F4 1.302 -1.261 0.000
Cl5 1.302 1.802 0.000
Cl6 -1.302 -1.802 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.33211.37532.35951.77882.7587
C21.33212.35951.37532.75871.7788
F31.37532.35953.62532.66043.0628
F42.35951.37533.62533.06282.6604
Cl51.77882.75872.66043.06284.4468
Cl62.75871.77883.06282.66044.4468

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 121.265 C1 C2 Cl6 124.319
C2 C1 F3 121.265 C2 C1 Cl5 124.319
F3 C1 Cl5 114.417 F4 C2 Cl6 114.417
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability