return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B97D3/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/TZVP
 hartrees
Energy at 0K-637.431028
Energy at 298.15K-637.433236
HF Energy-637.431028
Nuclear repulsion energy148.069145
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 B97D3/TZVP
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' 3238 3191 0.10      
2 A' 3134 3089 2.81      
3 A' 1664 1640 171.37      
4 A' 1379 1359 2.89      
5 A' 1145 1128 211.06      
6 A' 928 915 54.88      
7 A' 659 650 58.48      
8 A' 425 418 0.19      
9 A' 370 365 0.08      
10 A" 808 796 61.73      
11 A" 695 685 0.20      
12 A" 514 506 1.60      

Unscaled Zero Point Vibrational Energy (zpe) 7479.3 cm-1
Scaled (by 0.9856) Zero Point Vibrational Energy (zpe) 7371.6 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 B97D3/TZVP
ABC
0.35174 0.16582 0.11270

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.462 0.000
C2 -1.012 1.320 0.000
F3 1.284 0.848 0.000
Cl4 -0.155 -1.275 0.000
H5 -0.811 2.386 0.000
H6 -2.035 0.966 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 Cl4 H5 H6
C11.32671.34061.74422.08722.0960
C21.32672.34402.73291.08471.0818
F31.34062.34402.56492.59823.3205
Cl41.74422.73292.56493.71902.9249
H52.08721.08472.59823.71901.8744
H62.09601.08183.32052.92491.8744

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 119.563 C1 C2 H6 120.636
C2 C1 F3 122.995 C2 C1 Cl4 125.173
F3 C1 Cl4 111.832 H5 C2 H6 119.801
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.157      
2 C -0.268      
3 F -0.128      
4 Cl -0.050      
5 H 0.142      
6 H 0.146      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.163 0.674 0.000 1.344
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.044 -1.307 0.000
y -1.307 -27.235 0.000
z 0.000 0.000 -30.519
Traceless
 xyz
x -0.167 -1.307 0.000
y -1.307 2.547 0.000
z 0.000 0.000 -2.380
Polar
3z2-r2-4.760
x2-y2-1.809
xy-1.307
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.244 -0.882 0.000
y -0.882 7.157 0.000
z 0.000 0.000 3.218


<r2> (average value of r2) Å2
<r2> 96.732
(<r2>)1/2 9.835