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

using model chemistry: PBEPBEultrafine/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBEultrafine/TZVP
 hartrees
Energy at 0K-637.114903
Energy at 298.15K-637.116897
HF Energy-637.114903
Nuclear repulsion energy139.093036
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 PBEPBEultrafine/TZVP
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' 3157 3121 7.72      
2 A' 3141 3105 5.97      
3 A' 1646 1627 19.18      
4 A' 1283 1269 0.74      
5 A' 1202 1188 1.04      
6 A' 1105 1092 184.35      
7 A' 853 844 60.07      
8 A' 438 433 1.40      
9 A' 263 260 5.52      
10 A" 884 874 66.74      
11 A" 760 751 7.75      
12 A" 262 259 0.80      

Unscaled Zero Point Vibrational Energy (zpe) 7496.8 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 7411.4 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 PBEPBEultrafine/TZVP
ABC
1.79765 0.08070 0.07723

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.477 0.000
C2 1.030 -0.367 0.000
Cl3 -1.645 -0.098 0.000
F4 2.300 0.100 0.000
H5 0.116 1.560 0.000
H6 0.967 -1.456 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.33221.74252.33091.08862.1621
C21.33222.68861.35322.13311.0906
Cl31.74252.68863.94992.41812.9444
F42.33091.35323.94992.62742.0487
H51.08862.13312.41812.62743.1339
H62.16211.09062.94442.04873.1339

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 120.452 C1 C2 H6 126.056
C2 C1 Cl3 121.376 C2 C1 H5 123.251
Cl3 C1 H5 115.373 F4 C2 H6 113.492
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.153      
2 C 0.055      
3 Cl -0.054      
4 F -0.154      
5 H 0.188      
6 H 0.118      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.026 -0.173 0.000 0.175
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.036 -0.907 0.000
y -0.907 -26.484 0.000
z 0.000 0.000 -30.707
Traceless
 xyz
x -4.440 -0.907 0.000
y -0.907 5.387 0.000
z 0.000 0.000 -0.947
Polar
3z2-r2-1.893
x2-y2-6.552
xy-0.907
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.769 -0.306 0.000
y -0.306 4.668 0.000
z 0.000 0.000 3.179


<r2> (average value of r2) Å2
<r2> 126.694
(<r2>)1/2 11.256