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

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-636.353448
Energy at 298.15K-636.355755
HF Energy-635.778005
Nuclear repulsion energy148.926089
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 MP3/6-31G*
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' 3360 3154 0.03      
2 A' 3258 3058 3.76      
3 A' 1781 1672 118.16      
4 A' 1454 1365 3.64      
5 A' 1264 1186 185.55      
6 A' 992 931 30.72      
7 A' 723 678 41.01      
8 A' 440 413 2.13      
9 A' 379 356 0.14      
10 A" 858 805 68.06      
11 A" 743 698 1.02      
12 A" 526 493 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 7888.3 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 7404.0 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 MP3/6-31G*
ABC
0.35474 0.16821 0.11411

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.451 0.000
C2 -0.996 1.324 0.000
F3 1.285 0.830 0.000
Cl4 -0.164 -1.264 0.000
H5 -0.776 2.384 0.000
H6 -2.024 0.992 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 Cl4 H5 H6
C11.32491.33931.72282.08312.0954
C21.32492.33392.71891.08241.0805
F31.33932.33392.54602.58133.3130
Cl41.72282.71892.54603.69922.9243
H52.08311.08242.58133.69921.8697
H62.09541.08053.31302.92431.8697

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 119.507 C1 C2 H6 120.848
C2 C1 F3 122.330 C2 C1 Cl4 125.782
F3 C1 Cl4 111.888 H5 C2 H6 119.645
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability