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

using model chemistry: HF/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 HF/aug-cc-pVTZ
 hartrees
Energy at 0K-635.887998
Energy at 298.15K-635.890269
HF Energy-635.887998
Nuclear repulsion energy141.507931
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/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' 3391 3088 1.48      
2 A' 3384 3080 15.00      
3 A' 1863 1696 42.91      
4 A' 1440 1311 0.65      
5 A' 1348 1227 3.43      
6 A' 1248 1137 234.32      
7 A' 941 856 65.00      
8 A' 485 442 1.95      
9 A' 296 269 7.05      
10 A" 1047 953 54.85      
11 A" 943 858 19.46      
12 A" 301 274 1.87      

Unscaled Zero Point Vibrational Energy (zpe) 8342.9 cm-1
Scaled (by 0.9104) Zero Point Vibrational Energy (zpe) 7595.4 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 HF/aug-cc-pVTZ
ABC
1.86613 0.08341 0.07984

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.474 0.000
C2 1.025 -0.334 0.000
Cl3 -1.618 -0.130 0.000
F4 2.255 0.137 0.000
H5 0.095 1.539 0.000
H6 0.974 -1.403 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.30521.72752.28031.06892.1147
C21.30522.65101.31752.09101.0700
Cl31.72752.65103.88272.39192.8878
F42.28031.31753.88272.57532.0031
H51.06892.09102.39192.57533.0702
H62.11471.07002.88782.00313.0702

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 120.792 C1 C2 H6 125.542
C2 C1 Cl3 121.253 C2 C1 H5 123.165
Cl3 C1 H5 115.581 F4 C2 H6 113.666
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.378      
2 C -0.185      
3 Cl -0.232      
4 F -0.406      
5 H 0.539      
6 H 0.661      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.179 -0.163 0.000 0.242
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.799 -1.346 0.000
y -1.346 -26.371 0.000
z 0.000 0.000 -30.659
Traceless
 xyz
x -5.285 -1.346 0.000
y -1.346 5.858 0.000
z 0.000 0.000 -0.573
Polar
3z2-r2-1.147
x2-y2-7.429
xy-1.346
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.753 -0.411 0.000
y -0.411 5.244 0.000
z 0.000 0.000 4.234


<r2> (average value of r2) Å2
<r2> 123.277
(<r2>)1/2 11.103