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

using model chemistry: HF/STO-3G

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/STO-3G
 hartrees
Energy at 0K-1181.199864
Energy at 298.15K-1181.203175
HF Energy-1181.199864
Nuclear repulsion energy370.545160
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/STO-3G
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' 3614 2951 0.76      
2 A' 3587 2929 4.98      
3 A' 1611 1316 18.11      
4 A' 1415 1155 32.67      
5 A' 1297 1059 29.73      
6 A' 1196 976 5.33      
7 A' 913 746 32.89      
8 A' 584 477 11.94      
9 A' 420 343 14.11      
10 A' 360 294 14.81      
11 A' 250 204 2.40      
12 A" 1609 1314 11.51      
13 A" 1455 1188 40.11      
14 A" 1385 1131 10.23      
15 A" 1058 864 83.96      
16 A" 425 347 0.72      
17 A" 162 132 0.86      
18 A" 50 41 1.26      

Unscaled Zero Point Vibrational Energy (zpe) 10695.1 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 8732.5 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/STO-3G
ABC
0.07963 0.06707 0.03766

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.404 -0.240 0.000
C2 -0.369 1.139 0.000
H3 1.491 -0.058 0.000
H4 -1.456 0.957 0.000
Cl5 -0.005 -1.168 1.497
Cl6 -0.005 -1.168 -1.497
F7 -0.005 1.856 1.116
F8 -0.005 1.856 -1.116

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6 F7 F8
C11.58021.10252.21171.80771.80772.40882.4088
C21.58022.21171.10252.77352.77351.37531.3753
H31.10252.21173.11722.38922.38922.67292.6729
H42.21171.10253.11722.97692.97692.03952.0395
Cl51.80772.77352.38922.97692.99353.04733.9957
Cl61.80772.77352.38922.97692.99353.99573.0473
F72.40881.37532.67292.03953.04733.99572.2314
F82.40881.37532.67292.03953.99573.04732.2314

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 109.777 C1 C2 F7 108.986
C1 C2 F8 108.986 C2 C1 H3 109.777
C2 C1 Cl5 109.719 C2 C1 Cl6 109.719
H3 C1 Cl5 107.897 H3 C1 Cl6 107.897
H4 C2 F7 110.311 H4 C2 F8 110.311
Cl5 C1 Cl6 111.783 F7 C2 F8 108.432
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.022      
2 C 0.250      
3 H 0.133      
4 H 0.090      
5 Cl -0.115      
6 Cl -0.115      
7 F -0.133      
8 F -0.133      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.269 1.103 0.000 1.136
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.384 -0.974 0.000
y -0.974 -47.438 0.000
z 0.000 0.000 -48.451
Traceless
 xyz
x 7.560 -0.974 0.000
y -0.974 -3.021 0.000
z 0.000 0.000 -4.540
Polar
3z2-r2-9.080
x2-y27.054
xy-0.974
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.791 0.305 0.000
y 0.305 2.846 0.000
z 0.000 0.000 4.460


<r2> (average value of r2) Å2
<r2> 250.474
(<r2>)1/2 15.826