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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: HF/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/6-311G**
 hartrees
Energy at 0K-573.673222
Energy at 298.15K-573.676979
HF Energy-573.673222
Nuclear repulsion energy365.310098
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 HF/6-311G**
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' 3312 3009 25.48      
2 A' 1624 1476 3.70      
3 A' 1465 1331 238.12      
4 A' 1347 1223 228.11      
5 A' 1258 1143 190.51      
6 A' 956 868 61.30      
7 A' 796 723 49.04      
8 A' 635 577 19.51      
9 A' 574 521 13.50      
10 A' 396 360 0.16      
11 A' 266 242 5.69      
12 A" 1528 1388 22.49      
13 A" 1385 1258 438.70      
14 A" 1294 1176 154.77      
15 A" 642 583 1.80      
16 A" 459 417 1.74      
17 A" 230 209 3.77      
18 A" 82 74 1.20      

Unscaled Zero Point Vibrational Energy (zpe) 9123.7 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 8288.9 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 HF/6-311G**
ABC
0.12704 0.08268 0.06862

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.119 -0.597 0.000
C2 -0.595 0.744 0.000
F3 1.417 -0.450 0.000
F4 -0.229 -1.281 1.065
F5 -0.229 -1.281 -1.065
F6 -0.229 1.424 -1.078
F7 -0.229 1.424 1.078
H8 -1.665 0.607 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.51971.30661.31241.31242.31702.31702.1526
C21.51972.34012.31752.31751.32591.32591.0791
F31.30662.34012.12942.12942.71772.71773.2588
F41.31242.31752.12942.12913.45102.70512.6004
F51.31242.31752.12942.12912.70513.45102.6004
F62.31701.32592.71773.45102.70512.15661.9727
F72.31701.32592.71772.70513.45102.15661.9727
H82.15261.07913.25882.60042.60041.97271.9727

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.831 C1 C2 F7 108.831
C1 C2 H8 110.706 C2 C1 F3 111.563
C2 C1 F4 109.610 C2 C1 F5 109.610
F3 C1 F4 108.791 F3 C1 F5 108.791
F4 C1 F5 108.414 F6 C2 F7 108.839
F6 C2 H8 109.798 F7 C2 H8 109.798
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.781      
2 C 0.490      
3 F -0.259      
4 F -0.271      
5 F -0.271      
6 F -0.287      
7 F -0.287      
8 H 0.103      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.734 -0.085 0.000 1.736
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.687 -1.009 0.000
y -1.009 -38.955 0.000
z 0.000 0.000 -38.854
Traceless
 xyz
x 5.218 -1.009 0.000
y -1.009 -2.684 0.000
z 0.000 0.000 -2.533
Polar
3z2-r2-5.067
x2-y25.268
xy-1.009
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.023 0.057 0.000
y 0.057 2.961 0.000
z 0.000 0.000 3.145


<r2> (average value of r2) Å2
<r2> 163.188
(<r2>)1/2 12.775