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

using model chemistry: PBEPBE/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-31G*
 hartrees
Energy at 0K-637.019255
Energy at 298.15K-637.021429
HF Energy-637.019255
Nuclear repulsion energy147.938121
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 PBEPBE/6-31G*
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' 3245 3199 0.10      
2 A' 3145 3100 3.65      
3 A' 1688 1664 146.01      
4 A' 1380 1360 4.15      
5 A' 1180 1163 200.42      
6 A' 940 926 27.58      
7 A' 672 662 51.78      
8 A' 420 414 0.56      
9 A' 363 358 0.11      
10 A" 786 775 67.13      
11 A" 695 685 0.60      
12 A" 516 508 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 7514.0 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 7406.6 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 PBEPBE/6-31G*
ABC
0.34913 0.16621 0.11260

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.461 0.000
C2 -1.027 1.315 0.000
F3 1.280 0.852 0.000
Cl4 -0.146 -1.275 0.000
H5 -0.831 2.389 0.000
H6 -2.054 0.955 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 Cl4 H5 H6
C11.33531.33871.74222.09902.1129
C21.33532.35312.73551.09171.0890
F31.33872.35312.56072.61123.3364
Cl41.74222.73552.56073.72722.9350
H52.09901.09172.61123.72721.8853
H62.11291.08903.33642.93501.8853

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 119.395 C1 C2 H6 120.943
C2 C1 F3 123.282 C2 C1 Cl4 124.943
F3 C1 Cl4 111.776 H5 C2 H6 119.662
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.214      
2 C -0.405      
3 F -0.205      
4 Cl 0.023      
5 H 0.185      
6 H 0.187      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.873 0.811 0.000 1.192
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.180 -0.983 0.000
y -0.983 -26.975 0.000
z 0.000 0.000 -30.109
Traceless
 xyz
x 0.362 -0.983 0.000
y -0.983 2.169 0.000
z 0.000 0.000 -2.531
Polar
3z2-r2-5.062
x2-y2-1.205
xy-0.983
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.782 -0.825 0.000
y -0.825 6.724 0.000
z 0.000 0.000 2.224


<r2> (average value of r2) Å2
<r2> 96.534
(<r2>)1/2 9.825