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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: B3LYP/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 B3LYP/6-31G**
 hartrees
Energy at 0K-576.009209
Energy at 298.15K-576.012523
HF Energy-576.009209
Nuclear repulsion energy358.368649
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 B3LYP/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' 3101 2979 29.21      
2 A' 1457 1399 0.31      
3 A' 1328 1276 161.44      
4 A' 1217 1169 188.75      
5 A' 1153 1108 120.22      
6 A' 873 839 46.23      
7 A' 719 691 31.39      
8 A' 569 547 14.16      
9 A' 512 492 7.07      
10 A' 357 343 0.03      
11 A' 239 230 3.48      
12 A" 1406 1351 15.51      
13 A" 1246 1197 339.85      
14 A" 1169 1123 104.40      
15 A" 577 554 0.63      
16 A" 409 393 1.00      
17 A" 203 195 2.25      
18 A" 61 58 0.73      

Unscaled Zero Point Vibrational Energy (zpe) 8297.5 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 7972.3 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 B3LYP/6-31G**
ABC
0.12118 0.08028 0.06636

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.120 -0.602 0.000
C2 -0.605 0.750 0.000
F3 1.448 -0.444 0.000
F4 -0.234 -1.302 1.091
F5 -0.234 -1.302 -1.091
F6 -0.234 1.441 -1.105
F7 -0.234 1.441 1.105
H8 -1.691 0.607 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.53331.33771.34391.34392.34932.34932.1765
C21.53332.37492.35312.35311.35501.35501.0951
F31.33772.37492.18102.18102.75792.75793.3100
F41.34392.35312.18102.18153.51382.74362.6371
F51.34392.35312.18102.18152.74363.51382.6371
F62.34931.35502.75793.51382.74362.20952.0095
F72.34931.35502.75792.74363.51382.20952.0095
H82.17651.09513.31002.63712.63712.00952.0095

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.697 C1 C2 F7 108.697
C1 C2 H8 110.703 C2 C1 F3 111.448
C2 C1 F4 109.568 C2 C1 F5 109.568
F3 C1 F4 108.845 F3 C1 F5 108.845
F4 C1 F5 108.512 F6 C2 F7 109.228
F6 C2 H8 109.743 F7 C2 H8 109.743
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.748      
2 C 0.425      
3 F -0.245      
4 F -0.253      
5 F -0.253      
6 F -0.267      
7 F -0.267      
8 H 0.112      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.360 -0.066 0.000 1.361
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.260 -0.717 0.000
y -0.717 -37.430 0.000
z 0.000 0.000 -37.223
Traceless
 xyz
x 4.066 -0.717 0.000
y -0.717 -2.188 0.000
z 0.000 0.000 -1.878
Polar
3z2-r2-3.755
x2-y24.170
xy-0.717
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.514 0.019 0.000
y 0.019 3.490 0.000
z 0.000 0.000 3.608


<r2> (average value of r2) Å2
<r2> 167.442
(<r2>)1/2 12.940