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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: B3LYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/cc-pVTZ
 hartrees
Energy at 0K-576.250782
Energy at 298.15K-576.254153
HF Energy-576.250782
Nuclear repulsion energy358.747623
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 B3LYP/cc-pVTZ
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' 3088 2985 20.09      
2 A' 1435 1387 0.62      
3 A' 1302 1258 149.00      
4 A' 1186 1147 193.35      
5 A' 1139 1101 145.41      
6 A' 863 834 45.21      
7 A' 721 697 33.29      
8 A' 575 556 13.35      
9 A' 517 500 6.85      
10 A' 358 346 0.04      
11 A' 242 234 3.61      
12 A" 1374 1328 6.95      
13 A" 1201 1161 381.21      
14 A" 1134 1096 101.06      
15 A" 578 559 0.46      
16 A" 411 398 0.82      
17 A" 209 202 2.30      
18 A" 71 68 0.80      

Unscaled Zero Point Vibrational Energy (zpe) 8201.7 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 7927.8 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 B3LYP/cc-pVTZ
ABC
0.12209 0.07998 0.06629

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.121 -0.604 0.000
C2 -0.603 0.753 0.000
F3 1.446 -0.454 0.000
F4 -0.234 -1.303 1.087
F5 -0.234 -1.303 -1.087
F6 -0.234 1.447 -1.099
F7 -0.234 1.447 1.099
H8 -1.685 0.613 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.53781.33331.34011.34012.35402.35402.1772
C21.53782.37762.35442.35441.35131.35131.0911
F31.33332.37762.17362.17362.76522.76523.3072
F41.34012.35442.17362.17333.51302.74992.6370
F51.34012.35442.17362.17332.74993.51302.6370
F62.35401.35132.76523.51302.74992.19902.0019
F72.35401.35132.76522.74993.51302.19902.0019
H82.17721.09113.30722.63702.63702.00192.0019

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.963 C1 C2 F7 108.963
C1 C2 H8 110.682 C2 C1 F3 111.619
C2 C1 F4 109.604 C2 C1 F5 109.604
F3 C1 F4 108.792 F3 C1 F5 108.792
F4 C1 F5 108.364 F6 C2 F7 108.913
F6 C2 H8 109.644 F7 C2 H8 109.644
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.476      
2 C 0.306      
3 F -0.152      
4 F -0.161      
5 F -0.161      
6 F -0.181      
7 F -0.181      
8 H 0.055      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.479 -0.059 0.000 1.481
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.007 -0.860 0.000
y -0.860 -38.604 0.000
z 0.000 0.000 -38.414
Traceless
 xyz
x 4.502 -0.860 0.000
y -0.860 -2.394 0.000
z 0.000 0.000 -2.108
Polar
3z2-r2-4.217
x2-y24.597
xy-0.860
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.917 0.022 0.000
y 0.022 4.020 0.000
z 0.000 0.000 4.115


<r2> (average value of r2) Å2
<r2> 168.091
(<r2>)1/2 12.965