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

using model chemistry: mPW1PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at mPW1PW91/6-311G**
 hartrees
Energy at 0K-1396.044548
Energy at 298.15K-1396.046702
HF Energy-1396.044548
Nuclear repulsion energy613.402127
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 mPW1PW91/6-311G**
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 1300 1244 0.00      
2 Ag 1065 1019 0.00      
3 Ag 716 685 0.00      
4 Ag 445 426 0.00      
5 Ag 361 346 0.00      
6 Ag 254 243 0.00      
7 Au 1236 1182 434.32      
8 Au 381 365 0.61      
9 Au 221 212 2.08      
10 Au 62 59 0.17      
11 Bg 1223 1170 0.00      
12 Bg 548 525 0.00      
13 Bg 328 314 0.00      
14 Bu 1167 1116 412.18      
15 Bu 847 811 437.58      
16 Bu 617 590 13.97      
17 Bu 441 422 0.26      
18 Bu 168 161 1.41      

Unscaled Zero Point Vibrational Energy (zpe) 5689.9 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 5443.5 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 mPW1PW91/6-311G**
ABC
0.07434 0.03862 0.03473

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.237 0.740 0.000
C2 0.237 -0.740 0.000
Cl3 -2.001 0.827 0.000
Cl4 2.001 -0.827 0.000
F5 0.237 1.351 1.082
F6 0.237 1.351 -1.082
F7 -0.237 -1.351 1.082
F8 -0.237 -1.351 -1.082

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 F5 F6 F7 F8
C11.55311.76622.73181.33001.33002.35402.3540
C21.55312.73181.76622.35402.35401.33001.3300
Cl31.76622.73184.33042.54022.54023.00463.0046
Cl42.73181.76624.33043.00463.00462.54022.5402
F51.33002.35402.54023.00462.16372.74343.4940
F61.33002.35402.54023.00462.16373.49402.7434
F72.35401.33003.00462.54022.74343.49402.1637
F82.35401.33003.00462.54023.49402.74342.1637

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 110.610 C1 C2 F7 109.222
C1 C2 F8 109.222 C2 C1 Cl3 110.610
C2 C1 F5 109.222 C2 C1 F6 109.222
Cl3 C1 F5 109.450 Cl3 C1 F6 109.450
Cl4 C2 F7 109.450 Cl4 C2 F8 109.450
F5 C1 F6 108.861 F7 C2 F8 108.861
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.324      
2 C 0.324      
3 Cl 0.006      
4 Cl 0.006      
5 F -0.165      
6 F -0.165      
7 F -0.165      
8 F -0.165      


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 -53.854 -0.542 0.000
y -0.542 -57.453 0.000
z 0.000 0.000 -57.597
Traceless
 xyz
x 3.671 -0.542 0.000
y -0.542 -1.727 0.000
z 0.000 0.000 -1.944
Polar
3z2-r2-3.887
x2-y23.599
xy-0.542
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.323 -0.775 0.000
y -0.775 4.972 0.000
z 0.000 0.000 4.592


<r2> (average value of r2) Å2
<r2> 311.668
(<r2>)1/2 17.654