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

using model chemistry: mPW1PW91/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-1197.521881
Energy at 298.15K-1197.525351
HF Energy-1197.521881
Nuclear repulsion energy378.150144
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/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3164 3032 8.04      
2 A' 3151 3020 5.87      
3 A' 1399 1341 32.31      
4 A' 1239 1188 3.53      
5 A' 1140 1092 97.77      
6 A' 1074 1029 39.07      
7 A' 800 767 31.54      
8 A' 568 544 6.31      
9 A' 397 380 14.67      
10 A' 342 328 10.24      
11 A' 249 239 0.20      
12 A" 1345 1289 4.82      
13 A" 1223 1172 14.78      
14 A" 1118 1072 170.28      
15 A" 823 788 130.64      
16 A" 395 379 1.35      
17 A" 177 169 0.80      
18 A" 74 71 0.83      

Unscaled Zero Point Vibrational Energy (zpe) 9338.2 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 8948.8 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/aug-cc-pVDZ
ABC
0.08285 0.07020 0.03936

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.408 -0.227 0.000
C2 -0.359 1.093 0.000
H3 1.490 -0.064 0.000
H4 -1.442 0.930 0.000
Cl5 -0.007 -1.140 1.466
Cl6 -0.007 -1.140 -1.466
F7 -0.007 1.817 1.094
F8 -0.007 1.817 -1.094

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6 F7 F8
C11.52641.09482.18141.77671.77672.35462.3546
C21.52642.18141.09482.69512.69511.35811.3581
H31.09482.18143.09602.35592.35592.64082.6408
H42.18141.09483.09602.91512.91512.01052.0105
Cl51.77672.69512.35592.91512.93262.98093.9116
Cl61.77672.69512.35592.91512.93263.91162.9809
F72.35461.35812.64082.01052.98093.91162.1872
F82.35461.35812.64082.01053.91162.98092.1872

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 111.598 C1 C2 F7 109.298
C1 C2 F8 109.298 C2 C1 H3 111.598
C2 C1 Cl5 109.125 C2 C1 Cl6 109.125
H3 C1 Cl5 107.884 H3 C1 Cl6 107.884
H4 C2 F7 109.635 H4 C2 F8 109.635
Cl5 C1 Cl6 111.232 F7 C2 F8 107.276
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.624      
2 C 1.576      
3 H 0.042      
4 H -0.216      
5 Cl 0.033      
6 Cl 0.033      
7 F -0.422      
8 F -0.422      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.071 -0.350 0.000 0.358
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.873 -1.082 0.000
y -1.082 -51.130 0.000
z 0.000 0.000 -49.648
Traceless
 xyz
x 6.516 -1.082 0.000
y -1.082 -4.369 0.000
z 0.000 0.000 -2.147
Polar
3z2-r2-4.293
x2-y27.257
xy-1.082
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.679 0.077 0.000
y 0.077 8.182 0.000
z 0.000 0.000 9.629


<r2> (average value of r2) Å2
<r2> 242.820
(<r2>)1/2 15.583