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

using model chemistry: B1B95/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 B1B95/TZVP
 hartrees
Energy at 0K-637.494969
Energy at 298.15K-637.497286
HF Energy-637.494969
Nuclear repulsion energy149.722579
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 B1B95/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' 3321 3178 0.52      
2 A' 3214 3075 5.57      
3 A' 1746 1671 181.65      
4 A' 1408 1347 3.13      
5 A' 1211 1159 228.27      
6 A' 965 924 39.62      
7 A' 705 674 51.06      
8 A' 439 420 1.04      
9 A' 376 359 0.10      
10 A" 870 832 65.61      
11 A" 726 694 0.13      
12 A" 542 519 1.77      

Unscaled Zero Point Vibrational Energy (zpe) 7760.9 cm-1
Scaled (by 0.9569) Zero Point Vibrational Energy (zpe) 7426.4 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 B1B95/TZVP
ABC
0.35967 0.16965 0.11528

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.456 0.000
C2 -0.999 1.310 0.000
F3 1.270 0.833 0.000
Cl4 -0.155 -1.260 0.000
H5 -0.791 2.369 0.000
H6 -2.017 0.964 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 Cl4 H5 H6
C11.31431.32451.72342.06972.0801
C21.31432.31812.70581.07851.0757
F31.32452.31812.53212.56983.2895
Cl41.72342.70582.53213.68442.9011
H52.06971.07852.56983.68441.8647
H62.08011.07573.28952.90111.8647

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 119.431 C1 C2 H6 120.665
C2 C1 F3 122.918 C2 C1 Cl4 125.398
F3 C1 Cl4 111.684 H5 C2 H6 119.903
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.179      
2 C -0.298      
3 F -0.143      
4 Cl -0.048      
5 H 0.153      
6 H 0.157      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.244 0.688 0.000 1.421
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.047 -1.401 0.000
y -1.401 -27.124 0.000
z 0.000 0.000 -30.461
Traceless
 xyz
x -0.255 -1.401 0.000
y -1.401 2.630 0.000
z 0.000 0.000 -2.375
Polar
3z2-r2-4.751
x2-y2-1.924
xy-1.401
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.035 -0.891 0.000
y -0.891 6.842 0.000
z 0.000 0.000 3.130


<r2> (average value of r2) Å2
<r2> 94.974
(<r2>)1/2 9.745