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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: G4

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at G4
 hartrees
Energy at 0K-575.886430
Energy at 298.15K-575.879283
HF Energy-576.042004
Nuclear repulsion energy360.118447
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/6-31G(2df,p)
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' 3070 2962 28.62      
2 A' 1444 1393 0.39      
3 A' 1317 1271 150.09      
4 A' 1211 1168 177.30      
5 A' 1157 1117 108.55      
6 A' 873 843 38.31      
7 A' 726 701 31.24      
8 A' 579 558 13.10      
9 A' 522 503 6.46      
10 A' 360 347 0.03      
11 A' 239 231 3.15      
12 A" 1395 1346 11.88      
13 A" 1238 1194 333.32      
14 A" 1167 1126 81.99      
15 A" 584 563 0.56      
16 A" 413 398 0.84      
17 A" 203 196 1.96      
18 A" 64 62 0.64      

Unscaled Zero Point Vibrational Energy (zpe) 8279.5 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 7989.8 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/6-31G(2df,p)
ABC
0.12279 0.08082 0.06690

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.120 -0.604 0.000
C2 -0.604 0.753 0.000
F3 1.439 -0.442 0.000
F4 -0.232 -1.299 1.084
F5 -0.232 -1.299 -1.084
F6 -0.232 1.437 -1.097
F7 -0.232 1.437 1.097
H8 -1.691 0.610 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.53741.32891.33451.33452.34342.34342.1799
C21.53742.36602.34972.34971.34501.34501.0964
F31.32892.36602.16772.16772.74302.74303.3016
F41.33452.34972.16772.16783.49832.73552.6358
F51.33452.34972.16772.16782.73553.49832.6358
F62.34341.34502.74303.49832.73552.19362.0035
F72.34341.34502.74302.73553.49832.19362.0035
H82.17991.09643.30162.63582.63582.00352.0035

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.797 C1 C2 F7 108.797
C1 C2 H8 110.198 C2 C1 F3 110.693
C2 C1 F4 109.456 C2 C1 F5 109.456
F3 C1 F4 109.149 F3 C1 F5 109.149
F4 C1 F5 108.910 F6 C2 F7 109.580
F6 C2 H8 109.724 F7 C2 H8 109.724
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.214      
2 C 0.029      
3 F -0.059      
4 F -0.063      
5 F -0.063      
6 F -0.086      
7 F -0.086      
8 H 0.114      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.314 -0.055 0.000 1.315
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 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 166.168
(<r2>)1/2 12.891