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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G*
 hartrees
Energy at 0K-575.464485
Energy at 298.15K-575.467829
HF Energy-575.464485
Nuclear repulsion energy360.392006
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 PBE1PBE/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' 3138 2982 29.58      
2 A' 1484 1410 1.36      
3 A' 1358 1291 178.96      
4 A' 1247 1185 190.94      
5 A' 1181 1122 111.60      
6 A' 892 848 43.33      
7 A' 732 696 32.96      
8 A' 579 550 14.87      
9 A' 520 494 7.56      
10 A' 361 343 0.03      
11 A' 237 225 3.52      
12 A" 1421 1351 21.74      
13 A" 1286 1223 354.12      
14 A" 1206 1146 95.65      
15 A" 587 558 0.77      
16 A" 415 394 1.09      
17 A" 200 190 2.19      
18 A" 61 58 0.73      

Unscaled Zero Point Vibrational Energy (zpe) 8452.8 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 8032.7 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 PBE1PBE/6-31G*
ABC
0.12259 0.08118 0.06711

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.119 -0.600 0.000
C2 -0.602 0.747 0.000
F3 1.440 -0.441 0.000
F4 -0.233 -1.295 1.085
F5 -0.233 -1.295 -1.085
F6 -0.233 1.433 -1.098
F7 -0.233 1.433 1.098
H8 -1.687 0.606 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.52771.32981.33551.33552.33702.33702.1719
C21.52772.36202.34182.34181.34631.34631.0948
F31.32982.36202.16832.16832.74132.74133.2976
F41.33552.34182.16832.16903.49392.72812.6281
F51.33552.34182.16832.16902.72813.49392.6281
F62.33701.34632.74133.49392.72812.19662.0015
F72.33701.34632.74132.72813.49392.19662.0015
H82.17191.09483.29762.62812.62812.00152.0015

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.643 C1 C2 F7 108.643
C1 C2 H8 110.748 C2 C1 F3 111.310
C2 C1 F4 109.563 C2 C1 F5 109.563
F3 C1 F4 108.882 F3 C1 F5 108.882
F4 C1 F5 108.591 F6 C2 F7 109.331
F6 C2 H8 109.723 F7 C2 H8 109.723
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.768      
2 C 0.353      
3 F -0.250      
4 F -0.257      
5 F -0.257      
6 F -0.266      
7 F -0.266      
8 H 0.176      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.357 -0.070 0.000 1.358
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.187 -0.714 0.000
y -0.714 -37.312 0.000
z 0.000 0.000 -37.130
Traceless
 xyz
x 4.034 -0.714 0.000
y -0.714 -2.153 0.000
z 0.000 0.000 -1.881
Polar
3z2-r2-3.762
x2-y24.125
xy-0.714
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.473 0.019 0.000
y 0.019 3.438 0.000
z 0.000 0.000 3.555


<r2> (average value of r2) Å2
<r2> 165.774
(<r2>)1/2 12.875