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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: TPSSh/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 TPSSh/6-31G
 hartrees
Energy at 0K-575.866021
Energy at 298.15K-575.869098
HF Energy-575.866021
Nuclear repulsion energy350.537548
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 TPSSh/6-31G
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' 3180 3060 10.96      
2 A' 1420 1366 4.03      
3 A' 1297 1248 106.69      
4 A' 1161 1117 191.71      
5 A' 1081 1040 86.14      
6 A' 839 807 60.29      
7 A' 665 640 31.21      
8 A' 523 503 22.24      
9 A' 467 450 12.12      
10 A' 335 323 0.05      
11 A' 226 218 5.44      
12 A" 1378 1326 5.87      
13 A" 1180 1136 304.33      
14 A" 1101 1059 66.17      
15 A" 541 521 1.10      
16 A" 378 364 2.31      
17 A" 191 184 3.76      
18 A" 66 64 1.14      

Unscaled Zero Point Vibrational Energy (zpe) 8014.9 cm-1
Scaled (by 0.9621) Zero Point Vibrational Energy (zpe) 7711.2 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 TPSSh/6-31G
ABC
0.11421 0.07797 0.06406

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.119 -0.593 0.000
C2 -0.622 0.738 0.000
F3 1.488 -0.431 0.000
F4 -0.241 -1.324 1.123
F5 -0.241 -1.324 -1.123
F6 -0.241 1.458 -1.140
F7 -0.241 1.458 1.140
H8 -1.701 0.604 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.52281.37911.38801.38802.37332.37332.1777
C21.52282.41222.37892.37891.40061.40061.0873
F31.37912.41222.24742.24742.80302.80303.3528
F41.38802.37892.24742.24663.58612.78212.6665
F51.38802.37892.24742.24662.78213.58612.6665
F62.37331.40062.80303.58612.78212.27912.0392
F72.37331.40062.80302.78213.58612.27912.0392
H82.17771.08733.35282.66652.66652.03922.0392

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.479 C1 C2 F7 108.479
C1 C2 H8 112.016 C2 C1 F3 112.358
C2 C1 F4 109.543 C2 C1 F5 109.543
F3 C1 F4 108.620 F3 C1 F5 108.620
F4 C1 F5 108.056 F6 C2 F7 108.904
F6 C2 H8 109.453 F7 C2 H8 109.453
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.737      
2 C 0.378      
3 F -0.250      
4 F -0.261      
5 F -0.261      
6 F -0.280      
7 F -0.280      
8 H 0.217      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.864 -0.065 0.000 1.865
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.177 0.152 0.000
y 0.152 3.126 0.000
z 0.000 0.000 3.608


<r2> (average value of r2) Å2
<r2> 174.152
(<r2>)1/2 13.197