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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: B3PW91/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 B3PW91/STO-3G
 hartrees
Energy at 0K-567.661674
Energy at 298.15K-567.664130
HF Energy-567.661674
Nuclear repulsion energy341.353181
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 B3PW91/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' 3167 2803 20.62      
2 A' 1418 1255 47.66      
3 A' 1287 1139 79.77      
4 A' 1175 1040 10.40      
5 A' 1149 1017 97.53      
6 A' 810 717 4.68      
7 A' 663 586 21.37      
8 A' 528 467 12.47      
9 A' 456 404 5.40      
10 A' 305 270 0.09      
11 A' 195 172 0.97      
12 A" 1443 1277 13.37      
13 A" 1310 1159 123.79      
14 A" 1228 1087 42.38      
15 A" 520 460 1.19      
16 A" 356 316 0.93      
17 A" 156 138 0.64      
18 A" 24 21 0.28      

Unscaled Zero Point Vibrational Energy (zpe) 8094.2 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 7163.4 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 B3PW91/STO-3G
ABC
0.11229 0.07100 0.05929

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.129 -0.657 0.000
C2 -0.620 0.825 0.000
F3 1.517 -0.510 0.000
F4 -0.249 -1.378 1.136
F5 -0.249 -1.378 -1.136
F6 -0.249 1.542 -1.140
F7 -0.249 1.542 1.140
H8 -1.738 0.642 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.66061.39641.39791.39792.50562.50562.2742
C21.66062.52002.50662.50661.39731.39731.1325
F31.39642.52002.27272.27272.93742.93743.4530
F41.39792.50662.27272.27303.70272.91992.7550
F51.39792.50662.27272.27302.91993.70272.7550
F62.50561.39732.93743.70272.91992.28082.0803
F72.50561.39732.93742.91993.70272.28082.0803
H82.27421.13253.45302.75502.75502.08032.0803

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 109.753 C1 C2 F7 109.753
C1 C2 H8 107.516 C2 C1 F3 110.747
C2 C1 F4 109.787 C2 C1 F5 109.787
F3 C1 F4 108.849 F3 C1 F5 108.849
F4 C1 F5 108.784 F6 C2 F7 109.406
F6 C2 H8 110.195 F7 C2 H8 110.195
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.266      
2 C 0.110      
3 F -0.090      
4 F -0.093      
5 F -0.093      
6 F -0.088      
7 F -0.088      
8 H 0.077      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.797 -0.020 0.000 0.797
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.238 -0.479 0.000
y -0.479 -32.679 0.000
z 0.000 0.000 -32.785
Traceless
 xyz
x 2.494 -0.479 0.000
y -0.479 -1.167 0.000
z 0.000 0.000 -1.327
Polar
3z2-r2-2.655
x2-y22.441
xy-0.479
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.106 0.024 0.000
y 0.024 2.352 0.000
z 0.000 0.000 2.421


<r2> (average value of r2) Å2
<r2> 181.359
(<r2>)1/2 13.467