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

using model chemistry: QCISD/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 QCISD/cc-pVTZ
 hartrees
Energy at 0K-834.905146
Energy at 298.15K 
HF Energy-833.647813
Nuclear repulsion energy294.733769
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 QCISD/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' 1890 1806 60.22      
2 A' 1398 1336 161.43      
3 A' 1268 1211 203.37      
4 A' 1094 1046 227.32      
5 A' 712 680 3.45      
6 A' 529 505 1.25      
7 A' 470 449 0.77      
8 A' 345 330 1.44      
9 A' 192 183 2.63      
10 A" 581 555 2.38      
11 A" 389 372 1.44      
12 A" 175 167 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 4521.0 cm-1
Scaled (by 0.9555) Zero Point Vibrational Energy (zpe) 4319.8 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 QCISD/cc-pVTZ
ABC
0.15065 0.07545 0.05027

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.686 -0.661 0.000
C2 0.000 0.472 0.000
F3 -1.996 -0.712 0.000
F4 -0.137 -1.850 0.000
F5 -0.631 1.640 0.000
Cl6 1.705 0.555 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 Cl6
C11.32511.31061.30922.30162.6829
C21.32512.32072.32621.32711.7073
F31.31062.32072.17932.71893.9119
F41.30922.32622.17933.52433.0295
F52.30161.32712.71893.52432.5760
Cl62.68291.70733.91193.02952.5760

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 120.414 C1 C2 Cl6 123.962
C2 C1 F3 123.402 C2 C1 F4 124.022
F3 C1 F4 112.576 F5 C2 Cl6 115.624
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability