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: MP2=FULL/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/6-31G
 hartrees
Energy at 0K-833.906886
Energy at 298.15K 
HF Energy-833.302415
Nuclear repulsion energy283.426177
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=FULL/6-31G
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' 1812 1721 29.59 1.81 0.43 0.60
2 A' 1279 1215 106.30 0.51 0.53 0.69
3 A' 1162 1104 133.04 0.16 0.64 0.78
4 A' 999 949 169.12 0.85 0.11 0.19
5 A' 636 604 4.79 8.11 0.18 0.31
6 A' 486 461 1.97 2.39 0.75 0.86
7 A' 423 402 1.90 3.35 0.38 0.55
8 A' 316 301 1.58 3.52 0.68 0.81
9 A' 182 173 4.63 0.73 0.69 0.82
10 A" 503 478 4.35 9.76 0.75 0.86
11 A" 352 335 6.55 0.32 0.75 0.86
12 A" 162 154 0.05 0.07 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4156.0 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 3948.6 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 MP2=FULL/6-31G
ABC
0.13897 0.07016 0.04662

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.713 -0.665 0.000
C2 0.000 0.469 0.000
F3 -2.090 -0.703 0.000
F4 -0.145 -1.919 0.000
F5 -0.655 1.698 0.000
Cl6 1.782 0.559 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 Cl6
C11.33941.37711.37722.36312.7787
C21.33942.39612.39251.39231.7838
F31.37712.39612.29372.79704.0718
F41.37722.39252.29373.65253.1386
F52.36311.39232.79703.65252.6895
Cl62.77871.78384.07183.13862.6895

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 119.766 C1 C2 Cl6 125.061
C2 C1 F3 123.780 C2 C1 F4 123.448
F3 C1 F4 112.772 F5 C2 Cl6 115.173
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability