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All results from a given calculation for CHFCHClz ((Z)-1-Chloro-2-fluoroethene)

using model chemistry: QCISD/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/aug-cc-pVTZ
 hartrees
Energy at 0K-636.687387
Energy at 298.15K-636.689660
HF Energy-635.888069
Nuclear repulsion energy145.363139
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-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' 3269 3146 5.12      
2 A' 3240 3118 6.89      
3 A' 1738 1673 58.70      
4 A' 1372 1321 23.98      
5 A' 1267 1220 35.85      
6 A' 1089 1048 80.89      
7 A' 823 792 16.01      
8 A' 666 641 20.68      
9 A' 198 190 1.53      
10 A" 894 860 0.53      
11 A" 763 735 41.44      
12 A" 455 438 6.73      

Unscaled Zero Point Vibrational Energy (zpe) 7887.5 cm-1
Scaled (by 0.9624) Zero Point Vibrational Energy (zpe) 7590.9 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-pVTZ
ABC
0.55125 0.12381 0.10111

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.868 0.000
C2 1.249 0.424 0.000
Cl3 -1.376 -0.170 0.000
F4 1.554 -0.874 0.000
H5 -0.203 1.926 0.000
H6 2.110 1.075 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.32551.72362.33521.07702.1199
C21.32552.69091.33372.08901.0795
Cl31.72362.69093.01362.40193.7012
F42.33521.33373.01363.30612.0269
H51.07702.08902.40193.30612.4644
H62.11991.07953.70122.02692.4644

picture of (Z)-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 122.837 C1 C2 H6 123.319
C2 C1 Cl3 123.367 C2 C1 H5 120.450
Cl3 C1 H5 116.184 F4 C2 H6 113.844
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability