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

using model chemistry: MP2/SDD

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/SDD
 hartrees
Energy at 0K-1193.911121
Energy at 298.15K-1193.911298
HF Energy-1193.393730
Nuclear repulsion energy334.631517
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/SDD
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 1693 1634 0.00      
2 Ag 1074 1037 0.00      
3 Ag 569 550 0.00      
4 Ag 385 371 0.00      
5 Ag 265 256 0.00      
6 Au 332 320 2.89      
7 Au 126 121 0.69      
8 Bg 482 465 0.00      
9 Bu 1091 1053 225.47      
10 Bu 797 769 118.40      
11 Bu 378 365 6.11      
12 Bu 164 158 3.23      

Unscaled Zero Point Vibrational Energy (zpe) 3676.7 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 3549.1 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 MP2/SDD
ABC
0.13080 0.04588 0.03397

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.055 0.676 0.000
C2 0.055 -0.676 0.000
F3 -1.321 1.291 0.000
F4 1.321 -1.291 0.000
Cl5 1.321 1.828 0.000
Cl6 -1.321 -1.828 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.35701.40682.40041.79412.8058
C21.35702.40041.40682.80581.7941
F31.40682.40043.69342.69523.1188
F42.40041.40683.69343.11882.6952
Cl51.79412.80582.69523.11884.5101
Cl62.80581.79413.11882.69524.5101

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 120.563 C1 C2 Cl6 125.274
C2 C1 F3 120.563 C2 C1 Cl5 125.274
F3 C1 Cl5 114.163 F4 C2 Cl6 114.163
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability