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

using model chemistry: QCISD/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-636.477482
Energy at 298.15K-636.479537
HF Energy-635.823008
Nuclear repulsion energy138.689052
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/aug-cc-pVDZ
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' 3264 3161 0.55      
2 A' 3256 3154 12.77      
3 A' 1715 1661 21.38      
4 A' 1317 1276 0.30      
5 A' 1234 1196 5.18      
6 A' 1120 1085 174.76      
7 A' 881 854 49.21      
8 A' 447 433 1.72      
9 A' 270 262 6.59      
10 A" 905 877 56.72      
11 A" 785 761 4.46      
12 A" 268 260 1.57      

Unscaled Zero Point Vibrational Energy (zpe) 7731.2 cm-1
Scaled (by 0.9687) Zero Point Vibrational Energy (zpe) 7489.2 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/aug-cc-pVDZ
ABC
1.75866 0.08050 0.07698

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.487 0.000
C2 1.027 -0.375 0.000
Cl3 -1.646 -0.095 0.000
F4 2.305 0.092 0.000
H5 0.122 1.571 0.000
H6 0.957 -1.464 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.34021.74612.33901.09112.1726
C21.34022.68761.36152.14581.0914
Cl31.74612.68763.95632.42952.9410
F42.33901.36153.95632.63722.0594
H51.09112.14582.42952.63723.1476
H62.17261.09142.94102.05943.1476

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 119.937 C1 C2 H6 126.326
C2 C1 Cl3 120.534 C2 C1 H5 123.588
Cl3 C1 H5 115.878 F4 C2 H6 113.737
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability