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

using model chemistry: B3PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31+G**
 hartrees
Energy at 0K-637.310780
Energy at 298.15K-637.313061
HF Energy-637.310780
Nuclear repulsion energy148.999436
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 B3PW91/6-31+G**
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' 3318 3185 0.43      
2 A' 3210 3082 5.16      
3 A' 1730 1661 174.18      
4 A' 1404 1348 2.60      
5 A' 1199 1151 227.30      
6 A' 957 918 41.17      
7 A' 703 675 49.20      
8 A' 433 416 1.16      
9 A' 375 360 0.06      
10 A" 858 824 74.36      
11 A" 717 689 0.10      
12 A" 531 510 1.78      

Unscaled Zero Point Vibrational Energy (zpe) 7717.8 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 7409.8 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 B3PW91/6-31+G**
ABC
0.35467 0.16855 0.11425

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.453 0.000
C2 -0.994 1.329 0.000
F3 1.285 0.821 0.000
Cl4 -0.165 -1.263 0.000
H5 -0.770 2.389 0.000
H6 -2.022 0.995 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 Cl4 H5 H6
C11.32551.33681.72352.08442.0939
C21.32552.33502.72161.08341.0811
F31.33682.33502.53912.58513.3119
Cl41.72352.72162.53913.70222.9239
H52.08441.08342.58513.70221.8738
H62.09391.08113.31192.92391.8738

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 119.489 C1 C2 H6 120.594
C2 C1 F3 122.575 C2 C1 Cl4 125.913
F3 C1 Cl4 111.512 H5 C2 H6 119.917
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.179      
2 C -0.425      
3 F -0.234      
4 Cl 0.111      
5 H 0.185      
6 H 0.183      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.265 0.696 0.000 1.444
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.144 -1.447 0.000
y -1.447 -27.170 0.000
z 0.000 0.000 -30.708
Traceless
 xyz
x -0.205 -1.447 0.000
y -1.447 2.755 0.000
z 0.000 0.000 -2.550
Polar
3z2-r2-5.100
x2-y2-1.974
xy-1.447
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.335 -0.935 0.000
y -0.935 7.114 0.000
z 0.000 0.000 3.491


<r2> (average value of r2) Å2
<r2> 95.773
(<r2>)1/2 9.786