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

using model chemistry: B3PW91/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 B3PW91/STO-3G
 hartrees
Energy at 0K-629.928527
Energy at 298.15K-629.930554
HF Energy-629.928527
Nuclear repulsion energy144.560292
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/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' 3597 3183 9.98      
2 A' 3432 3038 60.37      
3 A' 1839 1628 76.49      
4 A' 1526 1350 5.21      
5 A' 1327 1175 119.47      
6 A' 1024 906 6.44      
7 A' 708 627 35.42      
8 A' 414 366 0.69      
9 A' 353 312 1.52      
10 A" 883 782 40.73      
11 A" 735 650 0.05      
12 A" 516 457 1.42      

Unscaled Zero Point Vibrational Energy (zpe) 8176.5 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 7236.2 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 B3PW91/STO-3G
ABC
0.33568 0.15726 0.10709

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.503 0.000
C2 -1.107 1.263 0.000
F3 1.272 0.958 0.000
Cl4 -0.099 -1.317 0.000
H5 -1.024 2.354 0.000
H6 -2.101 0.811 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 Cl4 H5 H6
C11.34321.35101.82232.11582.1238
C21.34322.39902.76991.09451.0919
F31.35102.39902.65582.68763.3767
Cl41.82232.76992.65583.78592.9219
H52.11581.09452.68763.78591.8820
H62.12381.09193.37672.92191.8820

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 120.106 C1 C2 H6 121.081
C2 C1 F3 125.856 C2 C1 Cl4 121.357
F3 C1 Cl4 112.787 H5 C2 H6 118.813
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.130      
2 C -0.192      
3 F -0.021      
4 Cl -0.131      
5 H 0.104      
6 H 0.110      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.262 1.767 0.000 1.786
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.826 -0.572 0.000
y -0.572 -26.829 0.000
z 0.000 0.000 -27.396
Traceless
 xyz
x 1.286 -0.572 0.000
y -0.572 -0.218 0.000
z 0.000 0.000 -1.068
Polar
3z2-r2-2.137
x2-y21.003
xy-0.572
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.821 -0.536 0.000
y -0.536 4.033 0.000
z 0.000 0.000 0.455


<r2> (average value of r2) Å2
<r2> 99.241
(<r2>)1/2 9.962