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

using model chemistry: CCSD/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 CCSD/6-31G*
 hartrees
Energy at 0K-636.357995
Energy at 298.15K-636.360079
HF Energy-635.775612
Nuclear repulsion energy139.637420
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 CCSD/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' 3279 3097 6.13      
2 A' 3266 3084 5.52      
3 A' 1756 1658 20.67      
4 A' 1354 1279 0.06      
5 A' 1279 1208 5.71      
6 A' 1182 1116 149.00      
7 A' 909 858 45.85      
8 A' 456 430 1.93      
9 A' 277 261 6.95      
10 A" 934 882 54.99      
11 A" 798 753 10.87      
12 A" 277 261 2.39      

Unscaled Zero Point Vibrational Energy (zpe) 7882.5 cm-1
Scaled (by 0.9443) Zero Point Vibrational Energy (zpe) 7443.4 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 CCSD/6-31G*
ABC
1.80336 0.08141 0.07790

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.476 0.000
C2 1.022 -0.375 0.000
Cl3 -1.638 -0.088 0.000
F4 2.291 0.088 0.000
H5 0.130 1.552 0.000
H6 0.954 -1.458 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.33041.73192.32391.08382.1568
C21.33042.67561.35102.12371.0853
Cl31.73192.67563.93302.41112.9319
F42.32391.35103.93302.61012.0447
H51.08382.12372.41112.61013.1210
H62.15681.08532.93192.04473.1210

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 120.154 C1 C2 H6 126.166
C2 C1 Cl3 121.234 C2 C1 H5 122.876
Cl3 C1 H5 115.890 F4 C2 H6 113.680
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability