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

using model chemistry: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-637.393601
Energy at 298.15K-637.395904
HF Energy-637.393601
Nuclear repulsion energy149.341352
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 mPW1PW91/6-31+G**
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' 3337 3176 0.59      
2 A' 3228 3073 5.61      
3 A' 1746 1661 177.08      
4 A' 1412 1344 2.73      
5 A' 1214 1155 229.44      
6 A' 965 918 39.34      
7 A' 712 678 48.31      
8 A' 437 416 1.33      
9 A' 377 359 0.06      
10 A" 870 828 76.03      
11 A" 723 688 0.10      
12 A" 537 511 1.91      

Unscaled Zero Point Vibrational Energy (zpe) 7778.1 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 7403.2 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 mPW1PW91/6-31+G**
ABC
0.35621 0.16937 0.11479

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.451 0.000
C2 -0.993 1.326 0.000
F3 1.281 0.820 0.000
Cl4 -0.164 -1.260 0.000
H5 -0.770 2.385 0.000
H6 -2.020 0.991 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 Cl4 H5 H6
C11.32331.33331.71912.08072.0905
C21.32332.33002.71561.08191.0796
F31.33332.33002.53272.57963.3053
Cl41.71912.71562.53273.69452.9175
H52.08071.08192.57963.69451.8718
H62.09051.07963.30532.91751.8718

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 119.449 C1 C2 H6 120.573
C2 C1 F3 122.582 C2 C1 Cl4 125.901
F3 C1 Cl4 111.517 H5 C2 H6 119.978
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.172      
2 C -0.434      
3 F -0.234      
4 Cl 0.118      
5 H 0.190      
6 H 0.188      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.273 0.696 0.000 1.451
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.153 -1.455 0.000
y -1.455 -27.175 0.000
z 0.000 0.000 -30.737
Traceless
 xyz
x -0.197 -1.455 0.000
y -1.455 2.770 0.000
z 0.000 0.000 -2.573
Polar
3z2-r2-5.146
x2-y2-1.978
xy-1.455
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.302 -0.945 0.000
y -0.945 7.056 0.000
z 0.000 0.000 3.486


<r2> (average value of r2) Å2
<r2> 95.426
(<r2>)1/2 9.769