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All results from a given calculation for CF2ClCF2Cl (1,2-Dichloro-1,1,2,2-tetrafluoroethane)

using model chemistry: HF/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at HF/STO-3G
 hartrees
Energy at 0K-1376.126249
Energy at 298.15K-1376.127833
HF Energy-1376.126249
Nuclear repulsion energy594.882232
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/STO-3G
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 1431 1169 0.00      
2 Ag 1204 983 0.00      
3 Ag 746 609 0.00      
4 Ag 466 380 0.00      
5 Ag 352 287 0.00      
6 Ag 242 198 0.00      
7 Au 1495 1220 117.85      
8 Au 367 300 9.88      
9 Au 192 156 2.63      
10 Au 35 29 0.60      
11 Bg 1545 1262 0.00      
12 Bg 551 450 0.00      
13 Bg 307 250 0.00      
14 Bu 1332 1087 178.96      
15 Bu 927 757 291.82      
16 Bu 603 493 41.92      
17 Bu 436 356 4.09      
18 Bu 144 118 3.09      

Unscaled Zero Point Vibrational Energy (zpe) 6186.7 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 5051.4 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 HF/STO-3G
ABC
0.06878 0.03683 0.03273

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.230 0.773 0.000
C2 0.230 -0.773 0.000
Cl3 -2.072 0.795 0.000
Cl4 2.072 -0.795 0.000
F5 0.230 1.409 1.112
F6 0.230 1.409 -1.112
F7 -0.230 -1.409 1.112
F8 -0.230 -1.409 -1.112

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 F5 F6 F7 F8
C11.61301.84192.78541.36101.36102.44902.4490
C21.61302.78541.84192.44902.44901.36101.3610
Cl31.84192.78544.43862.62912.62913.08023.0802
Cl42.78541.84194.43863.08023.08022.62912.6291
F51.36102.44902.62913.08022.22302.85593.6191
F61.36102.44902.62913.08022.22303.61912.8559
F72.44901.36103.08022.62912.85593.61912.2230
F82.44901.36103.08022.62913.61912.85592.2230

picture of 1,2-Dichloro-1,1,2,2-tetrafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl4 107.273 C1 C2 F7 110.588
C1 C2 F8 110.588 C2 C1 Cl3 107.273
C2 C1 F5 110.588 C2 C1 F6 110.588
Cl3 C1 F5 109.420 Cl3 C1 F6 109.420
Cl4 C2 F7 109.420 Cl4 C2 F8 109.420
F5 C1 F6 109.513 F7 C2 F8 109.513
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.347      
2 C 0.347      
3 Cl -0.151      
4 Cl -0.151      
5 F -0.098      
6 F -0.098      
7 F -0.098      
8 F -0.098      


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 -57.185 1.907 0.000
y 1.907 -51.241 0.000
z 0.000 0.000 -51.684
Traceless
 xyz
x -5.723 1.907 0.000
y 1.907 3.194 0.000
z 0.000 0.000 2.529
Polar
3z2-r25.057
x2-y2-5.944
xy1.907
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.779 -0.285 0.000
y -0.285 2.047 0.000
z 0.000 0.000 2.144


<r2> (average value of r2) Å2
<r2> 326.480
(<r2>)1/2 18.069