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All results from a given calculation for CHFClCHClF (ethane, 1,2-dichloro-1,2-difluoro-)

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CI 1AG
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-1197.425870
Energy at 298.15K-1197.429342
HF Energy-1197.425870
Nuclear repulsion energy376.098267
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 mPW1PW91/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3154 3001 0.00      
2 Ag 1425 1356 0.00      
3 Ag 1334 1269 0.00      
4 Ag 1161 1104 0.00      
5 Ag 1107 1053 0.00      
6 Ag 836 795 0.00      
7 Ag 525 499 0.00      
8 Ag 376 358 0.00      
9 Ag 271 258 0.00      
10 Au 3166 3012 13.63      
11 Au 1343 1278 29.18      
12 Au 1250 1189 37.02      
13 Au 1179 1122 249.10      
14 Au 782 744 235.56      
15 Au 404 385 2.68      
16 Au 369 351 29.85      
17 Au 172 163 1.45      
18 Au 76 72 0.73      

Unscaled Zero Point Vibrational Energy (zpe) 9464.3 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 9005.3 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 mPW1PW91/6-31G**
ABC
0.13500 0.04912 0.03720

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

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.763
C2 0.000 0.000 0.763
H3 1.018 0.000 -1.155
H4 -1.018 0.000 1.155
F5 -0.675 -1.084 -1.204
F6 0.675 1.084 1.204
Cl7 -0.807 1.475 -1.348
Cl8 0.807 -1.475 1.348

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52511.09092.17111.35092.34461.78052.6985
C21.52512.17111.09092.34461.35092.69851.7805
H31.09092.17113.07922.01072.61862.35452.9131
H42.17111.09093.07922.61862.01072.91312.3545
F51.35092.34462.01072.61863.50982.56632.9770
F62.34461.35092.61862.01073.50982.97702.5663
Cl71.78052.69852.35452.91312.56632.97704.3103
Cl82.69851.78052.91312.35452.97702.56634.3103

picture of ethane, 1,2-dichloro-1,2-difluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 111.089 C1 C2 F6 109.069
C1 C2 Cl8 109.198 C2 C1 H3 111.089
C2 C1 F5 109.069 C2 C1 Cl7 109.198
H3 C1 F5 110.409 H3 C1 Cl7 107.734
H4 C2 F6 110.409 H4 C2 Cl8 107.734
F5 C1 Cl7 109.309 F6 C2 Cl8 109.309
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.065      
2 C 0.065      
3 H 0.201      
4 H 0.201      
5 F -0.255      
6 F -0.255      
7 Cl -0.011      
8 Cl -0.011      


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


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.869 -0.403 -3.518
y -0.403 -49.131 -0.094
z -3.518 -0.094 -47.739
Traceless
 xyz
x 2.566 -0.403 -3.518
y -0.403 -2.326 -0.094
z -3.518 -0.094 -0.239
Polar
3z2-r2-0.479
x2-y23.261
xy-0.403
xz-3.518
yz-0.094


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.303 -1.427 0.892
y -1.427 7.560 -1.638
z 0.892 -1.638 5.839


<r2> (average value of r2) Å2
<r2> 254.789
(<r2>)1/2 15.962