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All results from a given calculation for C2H2ClF (1-chloro-1-fluoroethylene)

using model chemistry: HSEh1PBE/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HSEh1PBE/3-21G*
 hartrees
Energy at 0K-634.044435
Energy at 298.15K-634.046762
HF Energy-634.044435
Nuclear repulsion energy148.347867
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 HSEh1PBE/3-21G*
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' 3334 3200 0.62      
2 A' 3232 3102 7.15      
3 A' 1757 1686 127.03      
4 A' 1477 1418 2.07      
5 A' 1243 1193 168.75      
6 A' 993 953 23.97      
7 A' 680 653 52.35      
8 A' 425 408 0.88      
9 A' 379 364 0.29      
10 A" 947 909 101.65      
11 A" 740 710 0.67      
12 A" 558 535 0.68      

Unscaled Zero Point Vibrational Energy (zpe) 7881.9 cm-1
Scaled (by 0.9599) Zero Point Vibrational Energy (zpe) 7565.8 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 HSEh1PBE/3-21G*
ABC
0.34623 0.16860 0.11339

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.459 0.000
C2 -1.031 1.283 0.000
F3 1.293 0.865 0.000
Cl4 -0.150 -1.264 0.000
H5 -0.864 2.352 0.000
H6 -2.041 0.904 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 Cl4 H5 H6
C11.31921.35541.73022.08032.0892
C21.31922.36142.69501.08191.0794
F31.35542.36142.57212.62023.3349
Cl41.73022.69502.57213.68582.8770
H52.08031.08192.62023.68581.8663
H62.08921.07943.33492.87701.8663

picture of 1-chloro-1-fluoroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 119.753 C1 C2 H6 120.824
C2 C1 F3 123.982 C2 C1 Cl4 123.643
F3 C1 Cl4 112.375 H5 C2 H6 119.423
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.165      
2 C -0.479      
3 F -0.261      
4 Cl 0.064      
5 H 0.258      
6 H 0.253      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.264 0.818 0.000 1.506
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.740 -1.418 0.000
y -1.418 -27.042 0.000
z 0.000 0.000 -30.516
Traceless
 xyz
x 0.040 -1.418 0.000
y -1.418 2.585 0.000
z 0.000 0.000 -2.625
Polar
3z2-r2-5.250
x2-y2-1.697
xy-1.418
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.392 -0.824 0.000
y -0.824 6.095 0.000
z 0.000 0.000 1.690


<r2> (average value of r2) Å2
<r2> 96.079
(<r2>)1/2 9.802