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All results from a given calculation for CHFCHCl ((E)-1-chloro-2-fluoroethene)

using model chemistry: MP2=FULL/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-636.384324
Energy at 298.15K-636.386405
HF Energy-635.787665
Nuclear repulsion energy139.839568
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/6-31+G**
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' 3328 3126 0.82      
2 A' 3322 3120 13.49      
3 A' 1721 1616 19.71      
4 A' 1346 1265 0.10      
5 A' 1282 1204 6.79      
6 A' 1140 1071 176.44      
7 A' 915 859 50.92      
8 A' 455 427 1.86      
9 A' 275 258 6.73      
10 A" 926 869 74.01      
11 A" 792 744 4.73      
12 A" 273 256 1.37      

Unscaled Zero Point Vibrational Energy (zpe) 7886.8 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 7407.3 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/6-31+G**
ABC
1.80579 0.08169 0.07816

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.474 0.000
C2 1.011 -0.392 0.000
Cl3 -1.634 -0.066 0.000
F4 2.292 0.062 0.000
H5 0.151 1.541 0.000
H6 0.937 -1.468 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.33161.72112.32841.07782.1567
C21.33162.66551.35892.11641.0785
Cl31.72112.66553.92802.40202.9291
F42.32841.35893.92802.60182.0440
H51.07782.11642.40202.60183.1106
H62.15671.07852.92912.04403.1106

picture of (E)-1-chloro-2-fluoroethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 119.852 C1 C2 H6 126.659
C2 C1 Cl3 121.128 C2 C1 H5 122.541
Cl3 C1 H5 116.331 F4 C2 H6 113.489
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability