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

using model chemistry: mPW1PW91/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-637.488510
Energy at 298.15K-637.490838
HF Energy-637.488510
Nuclear repulsion energy149.970920
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/cc-pVTZ
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' 3310 3175 0.48      
2 A' 3203 3072 4.72      
3 A' 1740 1669 171.16      
4 A' 1407 1349 2.98      
5 A' 1217 1167 197.34      
6 A' 970 930 35.99      
7 A' 707 678 46.72      
8 A' 439 421 1.01      
9 A' 375 360 0.04      
10 A" 869 834 61.44      
11 A" 729 700 0.06      
12 A" 549 526 1.44      

Unscaled Zero Point Vibrational Energy (zpe) 7756.8 cm-1
Scaled (by 0.9592) Zero Point Vibrational Energy (zpe) 7440.4 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/cc-pVTZ
ABC
0.35947 0.17068 0.11573

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.454 0.000
C2 -1.005 1.303 0.000
F3 1.266 0.835 0.000
Cl4 -0.149 -1.257 0.000
H5 -0.803 2.364 0.000
H6 -2.022 0.950 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 Cl4 H5 H6
C11.31621.32231.71722.07202.0816
C21.31622.31902.69971.07941.0763
F31.32232.31902.52592.57253.2897
Cl41.71722.69972.52593.67932.8939
H52.07201.07942.57253.67931.8668
H62.08161.07633.28972.89391.8668

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 119.416 C1 C2 H6 120.597
C2 C1 F3 123.026 C2 C1 Cl4 125.224
F3 C1 Cl4 111.750 H5 C2 H6 119.987
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.209      
2 C -0.278      
3 F -0.130      
4 Cl -0.072      
5 H 0.135      
6 H 0.137      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.044 0.663 0.000 1.237
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.694 -1.213 0.000
y -1.213 -27.058 0.000
z 0.000 0.000 -30.285
Traceless
 xyz
x -0.023 -1.213 0.000
y -1.213 2.432 0.000
z 0.000 0.000 -2.409
Polar
3z2-r2-4.818
x2-y2-1.636
xy-1.213
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.284 -0.869 0.000
y -0.869 7.127 0.000
z 0.000 0.000 3.278


<r2> (average value of r2) Å2
<r2> 94.568
(<r2>)1/2 9.725