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

using model chemistry: B2PLYP=FULL/cc-pVTZ

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=FULL/cc-pVTZ
 hartrees
Energy at 0K-1195.999207
Energy at 298.15K-1195.999784
HF Energy-1195.578780
Nuclear repulsion energy350.797353
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=FULL/cc-pVTZ
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 1769 1691 0.00      
2 Ag 1201 1148 0.00      
3 Ag 644 616 0.00      
4 Ag 429 410 0.00      
5 Ag 291 279 0.00      
6 Au 371 355 0.52      
7 Au 135 129 0.24      
8 Bg 561 536 0.00      
9 Bu 1237 1182 292.41      
10 Bu 885 846 179.12      
11 Bu 429 410 2.42      
12 Bu 179 171 2.04      

Unscaled Zero Point Vibrational Energy (zpe) 4065.8 cm-1
Scaled (by 0.9558) Zero Point Vibrational Energy (zpe) 3886.1 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=FULL/cc-pVTZ
ABC
0.14320 0.05045 0.03731

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/cc-pVTZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.064 0.661 0.000
C2 0.064 -0.661 0.000
F3 -1.257 1.239 0.000
F4 1.257 -1.239 0.000
Cl5 1.257 1.743 0.000
Cl6 -1.257 -1.743 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.32901.32552.31411.70712.6840
C21.32902.31411.32552.68401.7071
F31.32552.31413.52962.56422.9814
F42.31411.32553.52962.98142.5642
Cl51.70712.68402.56422.98144.2976
Cl62.68401.70712.98142.56424.2976

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 121.336 C1 C2 Cl6 123.782
C2 C1 F3 121.336 C2 C1 Cl5 123.782
F3 C1 Cl5 114.882 F4 C2 Cl6 114.882
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability