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

using model chemistry: CCSD/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at CCSD/cc-pVDZ
 hartrees
Energy at 0K-1194.494926
Energy at 298.15K-1194.495523
HF Energy-1193.564336
Nuclear repulsion energy348.422395
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 CCSD/cc-pVDZ
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 1819 1723 0.00      
2 Ag 1250 1184 0.00      
3 Ag 647 613 0.00      
4 Ag 433 410 0.00      
5 Ag 293 278 0.00      
6 Au 380 360 1.60      
7 Au 138 130 0.19      
8 Bg 556 527 0.00      
9 Bu 1268 1201 300.54      
10 Bu 901 854 168.37      
11 Bu 429 407 3.54      
12 Bu 179 169 2.44      

Unscaled Zero Point Vibrational Energy (zpe) 4145.5 cm-1
Scaled (by 0.9473) Zero Point Vibrational Energy (zpe) 3927.0 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 CCSD/cc-pVDZ
ABC
0.14116 0.04978 0.03680

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/cc-pVDZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.068 0.667 0.000
C2 0.068 -0.667 0.000
F3 -1.266 1.247 0.000
F4 1.266 -1.247 0.000
Cl5 1.266 1.754 0.000
Cl6 -1.266 -1.754 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.34121.33122.33301.72022.7017
C21.34122.33301.33122.70171.7202
F31.33122.33303.55402.58183.0014
F42.33301.33123.55403.00142.5818
Cl51.72022.70172.58183.00144.3264
Cl62.70171.72023.00142.58184.3264

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 121.610 C1 C2 Cl6 123.411
C2 C1 F3 121.610 C2 C1 Cl5 123.411
F3 C1 Cl5 114.979 F4 C2 Cl6 114.979
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability