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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: B2PLYP/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/6-311G**
 hartrees
Energy at 0K-575.782390
Energy at 298.15K-575.785795
HF Energy-575.366272
Nuclear repulsion energy359.406115
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 B2PLYP/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 A' 3146 3146 22.33      
2 A' 1467 1467 1.09      
3 A' 1330 1330 164.85      
4 A' 1209 1209 214.59      
5 A' 1149 1149 145.92      
6 A' 875 875 53.90      
7 A' 726 726 34.91      
8 A' 580 580 14.65      
9 A' 522 522 8.38      
10 A' 364 364 0.06      
11 A' 245 245 4.39      
12 A" 1405 1405 11.99      
13 A" 1229 1229 390.65      
14 A" 1156 1156 112.42      
15 A" 585 585 0.68      
16 A" 417 417 1.08      
17 A" 211 211 2.93      
18 A" 68 68 0.88      

Unscaled Zero Point Vibrational Energy (zpe) 8340.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8340.4 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 B2PLYP/6-311G**
ABC
0.12213 0.08058 0.06667

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.120 -0.601 0.000
C2 -0.603 0.748 0.000
F3 1.444 -0.447 0.000
F4 -0.234 -1.299 1.086
F5 -0.234 -1.299 -1.086
F6 -0.234 1.440 -1.100
F7 -0.234 1.440 1.100
H8 -1.684 0.608 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.53001.33231.33911.33912.34512.34512.1717
C21.53002.36982.34662.34661.35131.35131.0900
F31.33232.36982.17232.17232.75392.75393.3008
F41.33912.34662.17232.17273.50482.73912.6311
F51.33912.34662.17232.17272.73913.50482.6311
F62.34511.35132.75393.50482.73912.20052.0014
F72.34511.35132.75392.73913.50482.20052.0014
H82.17171.09003.30082.63112.63112.00142.0014

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.797 C1 C2 F7 108.797
C1 C2 H8 110.857 C2 C1 F3 111.589
C2 C1 F4 109.567 C2 C1 F5 109.567
F3 C1 F4 108.810 F3 C1 F5 108.810
F4 C1 F5 108.436 F6 C2 F7 109.016
F6 C2 H8 109.670 F7 C2 H8 109.670
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.582      
2 C 0.338      
3 F -0.191      
4 F -0.203      
5 F -0.203      
6 F -0.220      
7 F -0.220      
8 H 0.117      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.523 -0.079 0.000 1.525
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.957 -0.831 0.000
y -0.831 -38.734 0.000
z 0.000 0.000 -38.528
Traceless
 xyz
x 4.674 -0.831 0.000
y -0.831 -2.492 0.000
z 0.000 0.000 -2.182
Polar
3z2-r2-4.364
x2-y24.777
xy-0.831
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.376 0.063 0.000
y 0.063 3.339 0.000
z 0.000 0.000 3.566


<r2> (average value of r2) Å2
<r2> 167.401
(<r2>)1/2 12.938