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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-573.671356
Energy at 298.15K-573.675102
HF Energy-573.671356
Nuclear repulsion energy365.341949
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' 3338 3019 30.49      
2 A' 1632 1476 2.17      
3 A' 1469 1328 235.45      
4 A' 1349 1220 227.25      
5 A' 1261 1140 197.31      
6 A' 957 866 62.49      
7 A' 797 721 48.63      
8 A' 636 575 19.50      
9 A' 574 519 13.41      
10 A' 396 358 0.16      
11 A' 267 241 5.68      
12 A" 1543 1395 23.85      
13 A" 1386 1253 438.26      
14 A" 1296 1172 158.03      
15 A" 642 581 1.81      
16 A" 459 415 1.73      
17 A" 230 208 3.80      
18 A" 82 74 1.20      

Unscaled Zero Point Vibrational Energy (zpe) 9156.4 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 8281.1 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
0.12705 0.08270 0.06863

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 -0.594 0.745 0.000
F3 1.417 -0.451 0.000
F4 -0.229 -1.281 1.065
F5 -0.229 -1.281 -1.065
F6 -0.229 1.423 -1.078
F7 -0.229 1.423 1.078
H8 -1.664 0.612 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.51971.30651.31241.31242.31682.31682.1542
C21.51972.33972.31752.31751.32541.32541.0783
F31.30652.33972.12932.12932.71782.71783.2593
F41.31242.31752.12932.12903.45072.70482.6028
F51.31242.31752.12932.12902.70483.45072.6028
F62.31681.32542.71783.45072.70482.15671.9700
F72.31681.32542.71782.70483.45072.15671.9700
H82.15421.07833.25932.60282.60281.97001.9700

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.852 C1 C2 F7 108.852
C1 C2 H8 110.885 C2 C1 F3 111.540
C2 C1 F4 109.619 C2 C1 F5 109.619
F3 C1 F4 108.793 F3 C1 F5 108.793
F4 C1 F5 108.415 F6 C2 F7 108.903
F6 C2 H8 109.657 F7 C2 H8 109.657
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 0.803      
2 C 0.354      
3 F -0.260      
4 F -0.271      
5 F -0.271      
6 F -0.287      
7 F -0.287      
8 H 0.219      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.729 -0.084 0.000 1.731
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.708 -1.010 0.000
y -1.010 -38.953 0.000
z 0.000 0.000 -38.869
Traceless
 xyz
x 5.203 -1.010 0.000
y -1.010 -2.665 0.000
z 0.000 0.000 -2.539
Polar
3z2-r2-5.078
x2-y25.245
xy-1.010
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.015 0.061 0.000
y 0.061 2.937 0.000
z 0.000 0.000 3.129


<r2> (average value of r2) Å2
<r2> 163.182
(<r2>)1/2 12.774