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

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CI 1AG
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-1194.905174
Energy at 298.15K-1194.908917
HF Energy-1194.905174
Nuclear repulsion energy378.719208
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 HF/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Ag 3294 2986 0.00      
2 Ag 1552 1407 0.00      
3 Ag 1443 1308 0.00      
4 Ag 1244 1128 0.00      
5 Ag 1180 1069 0.00      
6 Ag 900 816 0.00      
7 Ag 562 509 0.00      
8 Ag 407 369 0.00      
9 Ag 290 263 0.00      
10 Au 3307 2998 12.57      
11 Au 1458 1321 26.31      
12 Au 1354 1227 51.15      
13 Au 1248 1131 298.57      
14 Au 838 760 254.43      
15 Au 437 396 3.21      
16 Au 406 368 31.21      
17 Au 186 169 1.10      
18 Au 80 72 0.83      

Unscaled Zero Point Vibrational Energy (zpe) 10092.6 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 9147.9 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 HF/Def2TZVPP
ABC
0.13851 0.04932 0.03755

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.002 -0.002 -0.761
C2 0.002 0.002 0.761
H3 0.998 -0.002 -1.156
H4 -0.998 0.002 1.156
F5 -0.656 -1.081 -1.195
F6 0.656 1.081 1.195
Cl7 -0.825 1.440 -1.365
Cl8 0.825 -1.440 1.365

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52131.07562.15981.33412.32971.76672.6964
C21.52132.15981.07562.32971.33412.69641.7667
H31.07562.15983.05431.97542.61012.33372.9074
H42.15981.07563.05432.61011.97542.90742.3337
F51.33412.32971.97542.61013.47862.53252.9785
F62.32971.33412.61011.97543.47862.97852.5325
Cl71.76672.69642.33372.90742.53252.97854.2976
Cl82.69641.76672.90742.33372.97852.53254.2976

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 111.388 C1 C2 F6 109.174
C1 C2 Cl8 109.963 C2 C1 H3 111.388
C2 C1 F5 109.174 C2 C1 Cl7 109.963
H3 C1 F5 109.653 H3 C1 Cl7 107.902
H4 C2 F6 109.653 H4 C2 Cl8 107.902
F5 C1 Cl7 108.714 F6 C2 Cl8 108.714
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.291      
2 C 0.291      
3 H 0.068      
4 H 0.068      
5 F -0.241      
6 F -0.241      
7 Cl -0.118      
8 Cl -0.118      


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 -46.500 -0.995 -3.904
y -0.995 -50.297 -0.797
z -3.904 -0.797 -48.384
Traceless
 xyz
x 2.841 -0.995 -3.904
y -0.995 -2.855 -0.797
z -3.904 -0.797 0.014
Polar
3z2-r20.029
x2-y23.797
xy-0.995
xz-3.904
yz-0.797


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.157 -1.175 0.855
y -1.175 7.959 -1.375
z 0.855 -1.375 6.641


<r2> (average value of r2) Å2
<r2> 253.154
(<r2>)1/2 15.911