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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: PBE1PBE/STO-3G

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/STO-3G
 hartrees
Energy at 0K-567.359537
Energy at 298.15K-567.362041
HF Energy-567.359537
Nuclear repulsion energy342.941376
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/STO-3G
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' 3210 2831 17.80      
2 A' 1437 1268 47.56      
3 A' 1310 1156 77.55      
4 A' 1196 1055 14.37      
5 A' 1172 1034 91.90      
6 A' 828 730 4.97      
7 A' 671 592 21.69      
8 A' 533 471 13.11      
9 A' 461 407 5.88      
10 A' 310 274 0.08      
11 A' 196 173 1.06      
12 A" 1459 1287 13.14      
13 A" 1334 1177 126.45      
14 A" 1249 1102 37.44      
15 A" 527 465 1.33      
16 A" 362 319 1.02      
17 A" 157 138 0.69      
18 A" 21 18 0.30      

Unscaled Zero Point Vibrational Energy (zpe) 8216.0 cm-1
Scaled (by 0.8821) Zero Point Vibrational Energy (zpe) 7247.3 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/STO-3G
ABC
0.11312 0.07182 0.05993

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.128 -0.652 0.000
C2 -0.618 0.818 0.000
F3 1.511 -0.503 0.000
F4 -0.248 -1.371 1.132
F5 -0.248 -1.371 -1.132
F6 -0.248 1.532 -1.137
F7 -0.248 1.532 1.137
H8 -1.733 0.635 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.64851.39111.39251.39252.49092.49092.2624
C21.64852.50502.49192.49191.39251.39251.1298
F31.39112.50502.26432.26432.91962.91963.4372
F41.39252.49192.26432.26453.68442.90302.7405
F51.39252.49192.26432.26452.90303.68442.7405
F62.49091.39252.91963.68442.90302.27312.0744
F72.49091.39252.91962.90303.68442.27312.0744
H82.26241.12983.43722.74052.74052.07442.0744

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 109.703 C1 C2 F7 109.703
C1 C2 H8 107.564 C2 C1 F3 110.717
C2 C1 F4 109.771 C2 C1 F5 109.771
F3 C1 F4 108.869 F3 C1 F5 108.869
F4 C1 F5 108.805 F6 C2 F7 109.407
F6 C2 H8 110.221 F7 C2 H8 110.221
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.274      
2 C 0.112      
3 F -0.093      
4 F -0.096      
5 F -0.096      
6 F -0.091      
7 F -0.091      
8 H 0.080      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.817 -0.025 0.000 0.817
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.245 -0.482 0.000
y -0.482 -32.746 0.000
z 0.000 0.000 -32.851
Traceless
 xyz
x 2.554 -0.482 0.000
y -0.482 -1.198 0.000
z 0.000 0.000 -1.355
Polar
3z2-r2-2.710
x2-y22.501
xy-0.482
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.064 0.038 0.000
y 0.038 2.272 0.000
z 0.000 0.000 2.373


<r2> (average value of r2) Å2
<r2> 179.742
(<r2>)1/2 13.407