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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: LSDA/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at LSDA/6-31G*
 hartrees
Energy at 0K-573.340932
Energy at 298.15K-573.344149
HF Energy-573.340932
Nuclear repulsion energy361.710560
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 LSDA/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 A' 3002 2946 30.33      
2 A' 1434 1407 5.34      
3 A' 1328 1303 177.43      
4 A' 1219 1196 198.05      
5 A' 1166 1145 58.38      
6 A' 880 863 34.33      
7 A' 718 705 29.65      
8 A' 566 555 14.32      
9 A' 507 497 6.26      
10 A' 351 345 0.00      
11 A' 226 222 3.07      
12 A" 1363 1337 26.84      
13 A" 1269 1246 347.75      
14 A" 1185 1162 66.31      
15 A" 575 564 0.55      
16 A" 402 395 0.92      
17 A" 189 186 1.80      
18 A" 49 48 0.62      

Unscaled Zero Point Vibrational Energy (zpe) 8213.0 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 8059.4 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 LSDA/6-31G*
ABC
0.12295 0.08226 0.06784

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.117 -0.595 0.000
C2 -0.602 0.741 0.000
F3 1.433 -0.424 0.000
F4 -0.230 -1.290 1.084
F5 -0.230 -1.290 -1.084
F6 -0.230 1.420 -1.097
F7 -0.230 1.420 1.097
H8 -1.701 0.594 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.51741.32761.33321.33322.32092.32092.1723
C21.51742.34542.33162.33161.34271.34271.1084
F31.32762.34542.16582.16582.71542.71543.2955
F41.33322.33162.16582.16793.47852.71022.6243
F51.33322.33162.16582.16792.71023.47852.6243
F62.32091.34272.71543.47852.71022.19322.0119
F72.32091.34272.71542.71023.47852.19322.0119
H82.17231.10843.29552.62432.62432.01192.0119

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.328 C1 C2 F7 108.328
C1 C2 H8 110.679 C2 C1 F3 110.878
C2 C1 F4 109.589 C2 C1 F5 109.589
F3 C1 F4 108.976 F3 C1 F5 108.976
F4 C1 F5 108.797 F6 C2 F7 109.519
F6 C2 H8 109.973 F7 C2 H8 109.973
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.573      
2 C 0.226      
3 F -0.183      
4 F -0.189      
5 F -0.189      
6 F -0.203      
7 F -0.203      
8 H 0.170      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.231 -0.065 0.000 1.232
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.281 -0.634 0.000
y -0.634 -36.985 0.000
z 0.000 0.000 -36.829
Traceless
 xyz
x 3.626 -0.634 0.000
y -0.634 -1.930 0.000
z 0.000 0.000 -1.696
Polar
3z2-r2-3.392
x2-y23.704
xy-0.634
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.621 0.012 0.000
y 0.012 3.555 0.000
z 0.000 0.000 3.653


<r2> (average value of r2) Å2
<r2> 164.291
(<r2>)1/2 12.818