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

using model chemistry: PBEPBE/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 PBEPBE/6-31G*
 hartrees
Energy at 0K-1196.785254
Energy at 298.15K-1196.788531
HF Energy-1196.785254
Nuclear repulsion energy372.171578
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 PBEPBE/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 3052 3008 0.00      
2 Ag 1369 1349 0.00      
3 Ag 1282 1263 0.00      
4 Ag 1101 1085 0.00      
5 Ag 1055 1040 0.00      
6 Ag 781 770 0.00      
7 Ag 502 495 0.00      
8 Ag 355 350 0.00      
9 Ag 260 256 0.00      
10 Au 3063 3020 17.54      
11 Au 1295 1277 25.52      
12 Au 1203 1186 38.12      
13 Au 1120 1104 237.52      
14 Au 727 717 245.89      
15 Au 383 378 1.83      
16 Au 356 350 27.45      
17 Au 166 163 1.45      
18 Au 73 72 0.64      

Unscaled Zero Point Vibrational Energy (zpe) 9070.5 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 8940.8 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 PBEPBE/6-31G*
ABC
0.13192 0.04819 0.03646

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

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.768
C2 0.000 0.000 0.768
H3 1.026 0.000 -1.168
H4 -1.026 0.000 1.168
F5 -0.691 -1.086 -1.219
F6 0.691 1.086 1.219
Cl7 -0.807 1.507 -1.348
Cl8 0.807 -1.507 1.348

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.53571.10162.19131.36402.36761.80532.7203
C21.53572.19131.10162.36761.36402.72031.8053
H31.10162.19133.11002.03232.64442.37982.9415
H42.19131.10163.11002.64442.03232.94152.3798
F51.36402.36762.03232.64443.54602.59913.0020
F62.36761.36402.64442.03233.54603.00202.5991
Cl71.80532.72032.37982.94152.59913.00204.3543
Cl82.72031.80532.94152.37983.00202.59914.3543

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 111.317 C1 C2 F6 109.328
C1 C2 Cl8 108.751 C2 C1 H3 111.317
C2 C1 F5 109.328 C2 C1 Cl7 108.751
H3 C1 F5 110.574 H3 C1 Cl7 107.422
H4 C2 F6 110.574 H4 C2 Cl8 107.422
F5 C1 Cl7 109.396 F6 C2 Cl8 109.396
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.008      
2 C 0.008      
3 H 0.220      
4 H 0.220      
5 F -0.212      
6 F -0.212      
7 Cl -0.016      
8 Cl -0.016      


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 -46.034 -0.177 -3.306
y -0.177 -49.073 0.253
z -3.306 0.253 -47.767
Traceless
 xyz
x 2.386 -0.177 -3.306
y -0.177 -2.173 0.253
z -3.306 0.253 -0.213
Polar
3z2-r2-0.427
x2-y23.040
xy-0.177
xz-3.306
yz0.253


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.472 -1.512 0.972
y -1.512 8.054 -1.803
z 0.972 -1.803 6.152


<r2> (average value of r2) Å2
<r2> 259.403
(<r2>)1/2 16.106