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

using model chemistry: QCISD(T)/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD(T)/aug-cc-pVTZ
 hartrees
Energy at 0K-636.719753
Energy at 298.15K-636.721801
HF Energy-635.886208
Nuclear repulsion energy139.889041
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 QCISD(T)/aug-cc-pVTZ
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' 3235 3127        
2 A' 3228 3120        
3 A' 1685 1629        
4 A' 1314 1270        
5 A' 1231 1191        
6 A' 1142 1104        
7 A' 880 851        
8 A' 448 433        
9 A' 266 257        
10 A" 906 876        
11 A" 778 752        
12 A" 268 259        

Unscaled Zero Point Vibrational Energy (zpe) 7689.8 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 7434.5 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 QCISD(T)/aug-cc-pVTZ
ABC
1.79209 0.08183 0.07825

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.485 0.000
C2 1.020 -0.370 0.000
Cl3 -1.633 -0.092 0.000
F4 2.286 0.086 0.000
H5 0.127 1.557 0.000
H6 0.943 -1.448 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.33121.73222.32051.07992.1509
C21.33122.66811.34532.12461.0810
Cl31.73222.66813.92322.41222.9112
F42.32051.34533.92322.61292.0392
H51.07992.12462.41222.61293.1146
H62.15091.08102.91122.03923.1146

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 120.220 C1 C2 H6 125.849
C2 C1 Cl3 120.575 C2 C1 H5 123.225
Cl3 C1 H5 116.200 F4 C2 H6 113.931
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability