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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: B1B95/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31+G**
 hartrees
Energy at 0K-575.917797
Energy at 298.15K-575.921101
HF Energy-575.917797
Nuclear repulsion energy359.862170
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 B1B95/6-31+G**
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' 3151 3014 14.35      
2 A' 1457 1393 1.32      
3 A' 1328 1271 186.96      
4 A' 1217 1165 192.69      
5 A' 1162 1112 143.78      
6 A' 877 839 43.93      
7 A' 724 692 36.92      
8 A' 574 549 16.68      
9 A' 514 492 8.65      
10 A' 353 338 0.05      
11 A' 232 222 4.09      
12 A" 1379 1319 12.44      
13 A" 1247 1193 418.55      
14 A" 1175 1124 102.14      
15 A" 579 554 0.75      
16 A" 409 392 1.12      
17 A" 194 186 2.33      
18 A" 62 59 1.02      

Unscaled Zero Point Vibrational Energy (zpe) 8316.5 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 7955.6 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 B1B95/6-31+G**
ABC
0.12270 0.08063 0.06679

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.120 -0.601 0.000
C2 -0.604 0.750 0.000
F3 1.441 -0.449 0.000
F4 -0.233 -1.299 1.084
F5 -0.233 -1.299 -1.084
F6 -0.233 1.439 -1.097
F7 -0.233 1.439 1.097
H8 -1.688 0.615 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.53291.32951.33661.33662.34342.34342.1789
C21.53292.37052.34732.34731.34801.34801.0916
F31.32952.37052.16772.16772.75122.75123.3045
F41.33662.34732.16772.16803.50072.73842.6374
F51.33662.34732.16772.16802.73843.50072.6374
F62.34341.34802.75123.50072.73842.19361.9999
F72.34341.34802.75122.73843.50072.19361.9999
H82.17891.09163.30452.63742.63741.99991.9999

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.701 C1 C2 F7 108.701
C1 C2 H8 111.134 C2 C1 F3 111.623
C2 C1 F4 109.586 C2 C1 F5 109.586
F3 C1 F4 108.793 F3 C1 F5 108.793
F4 C1 F5 108.394 F6 C2 F7 108.912
F6 C2 H8 109.676 F7 C2 H8 109.676
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.794      
2 C 0.454      
3 F -0.284      
4 F -0.285      
5 F -0.285      
6 F -0.283      
7 F -0.283      
8 H 0.171      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.643 -0.067 0.000 1.645
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.096 -1.021 0.000
y -1.021 -39.073 0.000
z 0.000 0.000 -38.964
Traceless
 xyz
x 4.922 -1.021 0.000
y -1.021 -2.543 0.000
z 0.000 0.000 -2.379
Polar
3z2-r2-4.758
x2-y24.977
xy-1.021
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.157 0.036 0.000
y 0.036 4.271 0.000
z 0.000 0.000 4.393


<r2> (average value of r2) Å2
<r2> 167.309
(<r2>)1/2 12.935