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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: B2PLYP/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 B2PLYP/6-31G*
 hartrees
Energy at 0K-575.558482
Energy at 298.15K-575.561829
HF Energy-575.198635
Nuclear repulsion energy359.051993
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/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3164 3004 27.05      
2 A' 1490 1415 0.70      
3 A' 1354 1285 155.28      
4 A' 1236 1173 199.32      
5 A' 1163 1104 114.41      
6 A' 887 842 50.70      
7 A' 725 688 31.58      
8 A' 573 544 15.03      
9 A' 516 489 7.77      
10 A' 361 342 0.03      
11 A' 242 230 3.80      
12 A" 1431 1358 17.66      
13 A" 1265 1201 340.77      
14 A" 1184 1124 103.15      
15 A" 583 554 0.76      
16 A" 414 393 1.15      
17 A" 206 196 2.41      
18 A" 66 63 0.78      

Unscaled Zero Point Vibrational Energy (zpe) 8429.2 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 8001.0 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/6-31G*
ABC
0.12132 0.08086 0.06673

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.118 -0.598 0.000
C2 -0.606 0.745 0.000
F3 1.445 -0.435 0.000
F4 -0.233 -1.300 1.090
F5 -0.233 -1.300 -1.090
F6 -0.233 1.435 -1.105
F7 -0.233 1.435 1.105
H8 -1.689 0.607 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.52591.33671.34301.34302.34022.34022.1724
C21.52592.36592.34672.34671.35511.35511.0914
F31.33672.36592.17972.17972.74392.74393.3024
F41.34302.34672.17972.18043.50632.73422.6354
F51.34302.34672.17972.18042.73423.50632.6354
F62.34021.35512.74393.50632.73422.20982.0064
F72.34021.35512.74392.73423.50632.20982.0064
H82.17241.09143.30242.63542.63542.00642.0064

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.497 C1 C2 F7 108.497
C1 C2 H8 111.113 C2 C1 F3 111.309
C2 C1 F4 109.606 C2 C1 F5 109.606
F3 C1 F4 108.865 F3 C1 F5 108.865
F4 C1 F5 108.537 F6 C2 F7 109.251
F6 C2 H8 109.723 F7 C2 H8 109.723
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.797      
2 C 0.395      
3 F -0.260      
4 F -0.268      
5 F -0.268      
6 F -0.280      
7 F -0.280      
8 H 0.165      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.418 -0.076 0.000 1.420
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.397 -0.739 0.000
y -0.739 -37.706 0.000
z 0.000 0.000 -37.498
Traceless
 xyz
x 4.204 -0.739 0.000
y -0.739 -2.258 0.000
z 0.000 0.000 -1.946
Polar
3z2-r2-3.892
x2-y24.308
xy-0.739
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.460 0.037 0.000
y 0.037 3.424 0.000
z 0.000 0.000 3.585


<r2> (average value of r2) Å2
<r2> 166.847
(<r2>)1/2 12.917