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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: PBEPBE/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 PBEPBE/6-311G**
 hartrees
Energy at 0K-575.633845
Energy at 298.15K-575.637024
HF Energy-575.633845
Nuclear repulsion energy355.854677
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 PBEPBE/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' 3013 2985 26.08      
2 A' 1375 1363 0.57      
3 A' 1253 1242 154.48      
4 A' 1137 1127 202.19      
5 A' 1097 1087 141.61      
6 A' 831 823 47.96      
7 A' 693 687 30.83      
8 A' 554 549 12.43      
9 A' 498 493 5.88      
10 A' 346 343 0.03      
11 A' 230 228 3.61      
12 A" 1329 1317 9.02      
13 A" 1154 1143 398.14      
14 A" 1088 1078 91.29      
15 A" 555 550 0.25      
16 A" 395 392 0.71      
17 A" 197 196 2.39      
18 A" 56 56 0.72      

Unscaled Zero Point Vibrational Energy (zpe) 7900.4 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 7828.5 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 PBEPBE/6-311G**
ABC
0.11976 0.07894 0.06534

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.122 -0.605 0.000
C2 -0.607 0.755 0.000
F3 1.459 -0.456 0.000
F4 -0.237 -1.311 1.097
F5 -0.237 -1.311 -1.097
F6 -0.237 1.455 -1.110
F7 -0.237 1.455 1.110
H8 -1.700 0.613 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.54301.34601.35331.35332.36782.36782.1916
C21.54302.39452.36892.36891.36371.36371.1025
F31.34602.39452.19402.19402.78582.78583.3352
F41.35332.36892.19402.19463.53952.76672.6551
F51.35332.36892.19402.19462.76673.53952.6551
F62.36781.36372.78583.53952.76672.22062.0204
F72.36781.36372.78582.76673.53952.22062.0204
H82.19161.10253.33522.65512.65512.02042.0204

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.942 C1 C2 F7 108.942
C1 C2 H8 110.771 C2 C1 F3 111.777
C2 C1 F4 109.578 C2 C1 F5 109.578
F3 C1 F4 108.741 F3 C1 F5 108.741
F4 C1 F5 108.356 F6 C2 F7 109.020
F6 C2 H8 109.568 F7 C2 H8 109.568
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.477      
2 C 0.252      
3 F -0.156      
4 F -0.167      
5 F -0.167      
6 F -0.184      
7 F -0.184      
8 H 0.128      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.388 -0.067 0.000 1.390
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.949 -0.738 0.000
y -0.738 -38.400 0.000
z 0.000 0.000 -38.150
Traceless
 xyz
x 4.326 -0.738 0.000
y -0.738 -2.351 0.000
z 0.000 0.000 -1.975
Polar
3z2-r2-3.951
x2-y24.452
xy-0.738
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.624 0.037 0.000
y 0.037 3.620 0.000
z 0.000 0.000 3.805


<r2> (average value of r2) Å2
<r2> 170.182
(<r2>)1/2 13.045