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All results from a given calculation for CHCl2CHF2 (1,1-dichloro-2,2-difluoroethane)

using model chemistry: HF/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/CEP-121G
 hartrees
Energy at 0K-89.105162
Energy at 298.15K-89.108760
HF Energy-89.105162
Nuclear repulsion energy134.726970
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 HF/CEP-121G
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' 3365 3071 8.09      
2 A' 3349 3056 2.06      
3 A' 1539 1404 30.79      
4 A' 1365 1246 3.89      
5 A' 1232 1124 90.96      
6 A' 1109 1012 83.36      
7 A' 816 745 49.38      
8 A' 566 516 14.46      
9 A' 407 371 35.21      
10 A' 355 324 18.60      
11 A' 258 235 0.39      
12 A" 1467 1339 9.16      
13 A" 1349 1231 22.83      
14 A" 1172 1069 157.06      
15 A" 847 773 142.83      
16 A" 408 372 1.47      
17 A" 187 171 3.03      
18 A" 74 67 1.78      

Unscaled Zero Point Vibrational Energy (zpe) 9931.3 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 9062.3 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 HF/CEP-121G
ABC
0.07913 0.06758 0.03772

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.416 -0.211 0.000
C2 -0.369 1.103 0.000
H3 1.481 -0.062 0.000
H4 -1.434 0.954 0.000
Cl5 -0.006 -1.165 1.506
Cl6 -0.006 -1.165 -1.506
F7 -0.006 1.853 1.109
F8 -0.006 1.853 -1.109

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6 F7 F8
C11.53071.07532.18581.83151.83152.38132.3813
C21.53072.18581.07532.74622.74621.38731.3873
H31.07532.18583.08632.38642.38642.66622.6662
H42.18581.07533.08632.96512.96512.01932.0193
Cl51.83152.74622.38642.96513.01103.04413.9932
Cl61.83152.74622.38642.96513.01103.99323.0441
F72.38131.38732.66622.01933.04413.99322.2182
F82.38131.38732.66622.01933.99323.04412.2182

picture of 1,1-dichloro-2,2-difluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 112.851 C1 C2 F7 109.289
C1 C2 F8 109.289 C2 C1 H3 112.851
C2 C1 Cl5 109.199 C2 C1 Cl6 109.199
H3 C1 Cl5 107.500 H3 C1 Cl6 107.500
H4 C2 F7 109.515 H4 C2 F8 109.515
Cl5 C1 Cl6 110.577 F7 C2 F8 106.161
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.528      
2 C 0.479      
3 H 0.279      
4 H 0.186      
5 Cl 0.070      
6 Cl 0.070      
7 F -0.278      
8 F -0.278      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.219 -0.617 0.000 0.655
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.238 -1.834 0.000
y -1.834 -53.921 0.000
z 0.000 0.000 -52.448
Traceless
 xyz
x 10.946 -1.834 0.000
y -1.834 -6.578 0.000
z 0.000 0.000 -4.368
Polar
3z2-r2-8.736
x2-y211.683
xy-1.834
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.960 0.353 0.000
y 0.353 5.530 0.000
z 0.000 0.000 8.078


<r2> (average value of r2) Å2
<r2> 158.423
(<r2>)1/2 12.587