return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C2ClF3 (Ethene, chlorotrifluoro-)

using model chemistry: CCD/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/cc-pVTZ
 hartrees
Energy at 0K-834.893014
Energy at 298.15K 
HF Energy-833.648262
Nuclear repulsion energy295.210136
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 CCD/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 A' 1908 1781 59.95      
2 A' 1415 1321 162.14      
3 A' 1283 1198 205.91      
4 A' 1105 1031 230.00      
5 A' 718 671 3.48      
6 A' 533 498 1.33      
7 A' 474 443 0.86      
8 A' 348 324 1.50      
9 A' 193 180 2.70      
10 A" 596 556 2.47      
11 A" 394 368 1.75      
12 A" 177 165 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 4570.7 cm-1
Scaled (by 0.9337) Zero Point Vibrational Energy (zpe) 4267.7 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 CCD/cc-pVTZ
ABC
0.15121 0.07565 0.05043

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.686 -0.660 0.000
C2 0.000 0.471 0.000
F3 -1.993 -0.710 0.000
F4 -0.138 -1.847 0.000
F5 -0.630 1.637 0.000
Cl6 1.703 0.554 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 Cl6
C11.32311.30811.30672.29752.6797
C21.32312.31672.32231.32441.7054
F31.30812.31672.17492.71403.9062
F41.30672.32232.17493.51793.0256
F52.29751.32442.71403.51792.5721
Cl62.67971.70543.90623.02562.5721

picture of Ethene, chlorotrifluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F5 120.406 C1 C2 Cl6 123.977
C2 C1 F3 123.404 C2 C1 F4 124.030
F3 C1 F4 112.566 F5 C2 Cl6 115.617
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability