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All results from a given calculation for C2H2ClF (1-chloro-1-fluoroethylene)

using model chemistry: MP2/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-311G*
 hartrees
Energy at 0K-636.454840
Energy at 298.15K-636.457146
HF Energy-635.845822
Nuclear repulsion energy149.215852
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 MP2/6-311G*
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' 3343 3177 0.24      
2 A' 3227 3067 4.37      
3 A' 1718 1632 145.39      
4 A' 1435 1363 3.77      
5 A' 1232 1171 208.06      
6 A' 980 932 36.99      
7 A' 718 682 44.01      
8 A' 441 419 1.90      
9 A' 381 362 0.03      
10 A" 823 782 78.57      
11 A" 736 699 0.14      
12 A" 530 504 0.28      

Unscaled Zero Point Vibrational Energy (zpe) 7781.1 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 7394.4 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 MP2/6-311G*
ABC
0.35442 0.16932 0.11458

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.450 0.000
C2 -1.023 1.300 0.000
F3 1.269 0.851 0.000
Cl4 -0.143 -1.262 0.000
H5 -0.824 2.363 0.000
H6 -2.040 0.937 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 Cl4 H5 H6
C11.32991.33131.71872.08312.0970
C21.32992.33602.70951.08191.0794
F31.33132.33602.54192.58263.3103
Cl41.71872.70952.54193.68932.9049
H52.08311.08192.58263.68931.8738
H62.09701.07943.31032.90491.8738

picture of 1-chloro-1-fluoroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 119.117 C1 C2 H6 120.661
C2 C1 F3 122.761 C2 C1 Cl4 124.953
F3 C1 Cl4 112.286 H5 C2 H6 120.222
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability