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

using model chemistry: QCISD/3-21G

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/3-21G
 hartrees
Energy at 0K-829.839368
Energy at 298.15K 
HF Energy-829.235986
Nuclear repulsion energy285.646052
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/3-21G
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' 1858 1800 32.17      
2 A' 1371 1328 85.21      
3 A' 1237 1199 120.49      
4 A' 1005 974 137.50      
5 A' 646 626 9.14      
6 A' 502 486 1.91      
7 A' 415 403 1.41      
8 A' 309 300 1.35      
9 A' 183 177 4.84      
10 A" 584 566 7.20      
11 A" 377 366 5.26      
12 A" 169 164 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 4327.9 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 4194.6 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/3-21G
ABC
0.13868 0.07222 0.04749

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.768 -0.580 0.000
C2 0.000 0.499 0.000
F3 -2.126 -0.539 0.000
F4 -0.280 -1.844 0.000
F5 -0.503 1.770 0.000
Cl6 1.811 0.353 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 Cl6
C11.32511.35861.35472.36502.7431
C21.32512.36642.35981.36631.8169
F31.35862.36642.26102.82264.0372
F41.35472.35982.26103.62053.0330
F52.36501.36632.82263.62052.7128
Cl62.74311.81694.03723.03302.7128

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 122.972 C1 C2 Cl6 120.832
C2 C1 F3 123.704 C2 C1 F4 123.420
F3 C1 F4 112.876 F5 C2 Cl6 116.196
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability