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

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G*
 hartrees
Energy at 0K-1196.868433
Energy at 298.15K-1196.871902
HF Energy-1196.868433
Nuclear repulsion energy376.377163
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 PBE1PBE/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 3159 3002 0.00      
2 Ag 1431 1360 0.00      
3 Ag 1344 1277 0.00      
4 Ag 1164 1107 0.00      
5 Ag 1111 1056 0.00      
6 Ag 840 798 0.00      
7 Ag 526 500 0.00      
8 Ag 377 359 0.00      
9 Ag 272 259 0.00      
10 Au 3170 3013 14.44      
11 Au 1350 1283 34.66      
12 Au 1258 1196 36.99      
13 Au 1183 1124 246.63      
14 Au 786 747 234.60      
15 Au 405 385 2.74      
16 Au 370 352 29.50      
17 Au 172 163 1.45      
18 Au 77 73 0.71      

Unscaled Zero Point Vibrational Energy (zpe) 9497.5 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 9025.4 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 PBE1PBE/6-31G*
ABC
0.13503 0.04924 0.03728

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.762
C2 0.000 0.000 0.762
H3 1.020 0.000 -1.155
H4 -1.020 0.000 1.155
F5 -0.673 -1.085 -1.204
F6 0.673 1.085 1.204
Cl7 -0.808 1.473 -1.345
Cl8 0.808 -1.473 1.345

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52501.09232.17121.35032.34401.77852.6956
C21.52502.17121.09232.34401.35032.69561.7785
H31.09232.17123.08052.01042.61872.35532.9093
H42.17121.09233.08052.61872.01042.90932.3553
F51.35032.34402.01042.61873.50852.56512.9736
F62.34401.35032.61872.01043.50852.97362.5651
Cl71.77852.69562.35532.90932.56512.97364.3051
Cl82.69561.77852.90932.35532.97362.56514.3051

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 111.032 C1 C2 F6 109.074
C1 C2 Cl8 109.133 C2 C1 H3 111.032
C2 C1 F5 109.074 C2 C1 Cl7 109.133
H3 C1 F5 110.343 H3 C1 Cl7 107.855
H4 C2 F6 110.343 H4 C2 Cl8 107.855
F5 C1 Cl7 109.373 F6 C2 Cl8 109.373
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.019      
2 C 0.019      
3 H 0.238      
4 H 0.238      
5 F -0.249      
6 F -0.249      
7 Cl -0.008      
8 Cl -0.008      


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 -45.957 -0.382 -3.470
y -0.382 -49.166 -0.075
z -3.470 -0.075 -47.822
Traceless
 xyz
x 2.537 -0.382 -3.470
y -0.382 -2.277 -0.075
z -3.470 -0.075 -0.261
Polar
3z2-r2-0.521
x2-y23.209
xy-0.382
xz-3.470
yz-0.075


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.297 -1.426 0.888
y -1.426 7.532 -1.631
z 0.888 -1.631 5.817


<r2> (average value of r2) Å2
<r2> 254.413
(<r2>)1/2 15.950