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

using model chemistry: G3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at G3
 hartrees
Energy at 0K-637.170834
Energy at 298.15K-637.165627
HF Energy-635.777204
Nuclear repulsion energy141.115617
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 HF/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' 3450 3251 3.10      
2 A' 3442 3244 11.65      
3 A' 1899 1789 38.98      
4 A' 1456 1372 0.04      
5 A' 1366 1287 6.84      
6 A' 1263 1190 211.20      
7 A' 951 896 66.49      
8 A' 487 459 2.28      
9 A' 298 281 8.03      
10 A" 1062 1001 48.22      
11 A" 936 882 28.06      
12 A" 303 286 3.43      

Unscaled Zero Point Vibrational Energy (zpe) 8456.9 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 7968.1 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
1.80901 0.08183 0.07829

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 0.476 0.000
C2 1.016 -0.384 0.000
Cl3 -1.633 -0.072 0.000
F4 2.288 0.066 0.000
H5 0.143 1.548 0.000
H6 0.933 -1.464 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.33061.72272.32451.08192.1528
C21.33062.66711.34942.12001.0835
Cl31.72272.66713.92372.40452.9196
F42.32451.34943.92372.60752.0435
H51.08192.12002.40452.60753.1143
H62.15281.08352.91962.04353.1143

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 120.660 C1 C2 H6 125.902
C2 C1 Cl3 121.595 C2 C1 H5 122.870
Cl3 C1 H5 115.535 F4 C2 H6 113.438
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability