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

using model chemistry: mPW1PW91/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/STO-3G
 hartrees
Energy at 0K-630.022311
Energy at 298.15K-630.024364
HF Energy-630.022311
Nuclear repulsion energy144.950638
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 mPW1PW91/STO-3G
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' 3623 3184 10.89      
2 A' 3458 3039 63.46      
3 A' 1860 1635 77.05      
4 A' 1535 1349 5.41      
5 A' 1340 1178 119.87      
6 A' 1031 906 6.71      
7 A' 718 631 35.08      
8 A' 416 366 0.79      
9 A' 355 312 1.58      
10 A" 899 790 40.89      
11 A" 744 654 0.04      
12 A" 522 459 1.54      

Unscaled Zero Point Vibrational Energy (zpe) 8250.3 cm-1
Scaled (by 0.8789) Zero Point Vibrational Energy (zpe) 7251.2 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 mPW1PW91/STO-3G
ABC
0.33723 0.15822 0.10769

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.501 0.000
C2 -1.103 1.260 0.000
F3 1.270 0.954 0.000
Cl4 -0.100 -1.312 0.000
H5 -1.018 2.350 0.000
H6 -2.096 0.810 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 Cl4 H5 H6
C11.33961.34871.81592.11092.1191
C21.33962.39342.76161.09261.0901
F31.34872.39342.64832.68073.3697
Cl41.81592.76162.64833.77562.9142
H52.11091.09262.68073.77561.8792
H62.11911.09013.36972.91421.8792

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 120.086 C1 C2 H6 121.073
C2 C1 F3 125.814 C2 C1 Cl4 121.396
F3 C1 Cl4 112.790 H5 C2 H6 118.841
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.134      
2 C -0.192      
3 F -0.027      
4 Cl -0.130      
5 H 0.105      
6 H 0.111      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.307 1.760 0.000 1.787
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.872 -0.623 0.000
y -0.623 -26.856 0.000
z 0.000 0.000 -27.384
Traceless
 xyz
x 1.248 -0.623 0.000
y -0.623 -0.229 0.000
z 0.000 0.000 -1.020
Polar
3z2-r2-2.040
x2-y20.985
xy-0.623
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.798 -0.540 0.000
y -0.540 3.987 0.000
z 0.000 0.000 0.451


<r2> (average value of r2) Å2
<r2> 98.793
(<r2>)1/2 9.939