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

using model chemistry: PBEPBE/3-21G

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/3-21G
 hartrees
Energy at 0K-1190.862754
Energy at 298.15K-1190.865754
HF Energy-1190.862754
Nuclear repulsion energy363.074492
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/3-21G
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 3088 3060 0.00      
2 Ag 1380 1367 0.00      
3 Ag 1235 1224 0.00      
4 Ag 1116 1106 0.00      
5 Ag 1022 1013 0.00      
6 Ag 689 683 0.00      
7 Ag 471 466 0.00      
8 Ag 313 311 0.00      
9 Ag 244 242 0.00      
10 Au 3103 3074 6.55      
11 Au 1285 1273 12.61      
12 Au 1182 1171 31.54      
13 Au 1142 1132 180.59      
14 Au 647 642 240.52      
15 Au 336 333 11.53      
16 Au 320 317 27.58      
17 Au 152 150 3.40      
18 Au 61 61 1.35      

Unscaled Zero Point Vibrational Energy (zpe) 8892.8 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 8811.9 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/3-21G
ABC
0.12613 0.04585 0.03473

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/3-21G

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.759
C2 0.000 0.000 0.759
H3 1.015 0.000 -1.177
H4 -1.015 0.000 1.177
F5 -0.802 -1.011 -1.252
F6 0.802 1.011 1.252
Cl7 -0.733 1.699 -1.268
Cl8 0.733 -1.699 1.268

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.51891.09722.18621.38112.38991.91882.7446
C21.51892.18621.09722.38991.38112.74461.9188
H31.09722.18623.10802.08022.63972.43892.9903
H42.18621.09723.10802.63972.08022.99032.4389
F51.38112.38992.08022.63973.59602.71023.0300
F62.38991.38112.63972.08023.59603.03002.7102
Cl71.91882.74462.43892.99032.71023.03004.4857
Cl82.74461.91882.99032.43893.03002.71024.4857

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 112.373 C1 C2 F6 110.904
C1 C2 Cl8 105.361 C2 C1 H3 112.373
C2 C1 F5 110.904 C2 C1 Cl7 105.361
H3 C1 F5 113.658 H3 C1 Cl7 104.625
H4 C2 F6 113.658 H4 C2 Cl8 104.625
F5 C1 Cl7 109.352 F6 C2 Cl8 109.352
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.100      
2 C -0.100      
3 H 0.298      
4 H 0.298      
5 F -0.197      
6 F -0.197      
7 Cl -0.001      
8 Cl -0.001      


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 -47.167 0.752 -4.207
y 0.752 -52.011 1.885
z -4.207 1.885 -49.004
Traceless
 xyz
x 3.340 0.752 -4.207
y 0.752 -3.926 1.885
z -4.207 1.885 0.585
Polar
3z2-r21.170
x2-y24.844
xy0.752
xz-4.207
yz1.885


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.420 -1.746 1.004
y -1.746 8.840 -2.197
z 1.004 -2.197 5.097


<r2> (average value of r2) Å2
<r2> 271.827
(<r2>)1/2 16.487