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

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-636.365939
Energy at 298.15K-636.368042
HF Energy-635.779712
Nuclear repulsion energy140.085822
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' 3334 3115 7.76      
2 A' 3320 3102 5.78      
3 A' 1744 1630 20.43      
4 A' 1361 1272 0.02      
5 A' 1281 1197 7.72      
6 A' 1184 1107 147.69      
7 A' 919 859 45.62      
8 A' 458 428 1.85      
9 A' 276 258 6.37      
10 A" 948 886 53.49      
11 A" 797 745 10.42      
12 A" 279 261 1.90      

Unscaled Zero Point Vibrational Energy (zpe) 7949.9 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 7428.4 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=FULL/6-31G**
ABC
1.81930 0.08187 0.07834

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 0.000 0.475 0.000
C2 1.016 -0.384 0.000
Cl3 -1.633 -0.070 0.000
F4 2.287 0.064 0.000
H5 0.147 1.542 0.000
H6 0.929 -1.460 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.33041.72132.32401.07702.1461
C21.33042.66711.34832.11301.0788
Cl31.72132.66713.92252.40112.9145
F42.32401.34833.92252.60122.0411
H51.07702.11302.40112.60123.1017
H62.14611.07882.91452.04113.1017

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 120.359 C1 C2 H6 125.622
C2 C1 Cl3 121.317 C2 C1 H5 122.389
Cl3 C1 H5 116.294 F4 C2 H6 114.019
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability