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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: B3LYP/CEP-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 B3LYP/CEP-31G*
 hartrees
Energy at 0K-132.860868
Energy at 298.15K-132.864103
HF Energy-132.860868
Nuclear repulsion energy200.281102
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/CEP-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' 3126 3018 30.87      
2 A' 1432 1383 0.26      
3 A' 1295 1250 175.08      
4 A' 1185 1144 180.75      
5 A' 1129 1090 154.24      
6 A' 849 820 44.80      
7 A' 707 683 34.91      
8 A' 563 543 14.86      
9 A' 506 489 7.78      
10 A' 350 338 0.07      
11 A' 236 228 4.27      
12 A" 1373 1326 12.31      
13 A" 1207 1165 396.54      
14 A" 1140 1101 110.31      
15 A" 566 547 0.56      
16 A" 401 387 0.95      
17 A" 204 197 2.73      
18 A" 63 61 1.02      

Unscaled Zero Point Vibrational Energy (zpe) 8164.8 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 7884.7 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/CEP-31G*
ABC
0.11966 0.07794 0.06470

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.124 -0.613 0.000
C2 -0.611 0.767 0.000
F3 1.463 -0.468 0.000
F4 -0.237 -1.318 1.097
F5 -0.237 -1.318 -1.097
F6 -0.237 1.466 -1.110
F7 -0.237 1.466 1.110
H8 -1.706 0.628 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.56291.34611.35351.35352.38412.38412.2114
C21.56292.41352.38542.38541.36451.36451.1038
F31.34612.41352.19432.19432.80412.80413.3532
F41.35352.38542.19432.19403.55322.78442.6742
F51.35352.38542.19432.19402.78443.55322.6742
F62.38411.36452.80413.55322.78442.22082.0231
F72.38411.36452.80412.78443.55322.22082.0231
H82.21141.10383.35322.67422.67422.02312.0231

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.866 C1 C2 F7 108.866
C1 C2 H8 110.867 C2 C1 F3 111.908
C2 C1 F4 109.544 C2 C1 F5 109.544
F3 C1 F4 108.742 F3 C1 F5 108.742
F4 C1 F5 108.285 F6 C2 F7 108.928
F6 C2 H8 109.640 F7 C2 H8 109.640
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.236      
2 C 0.091      
3 F -0.080      
4 F -0.091      
5 F -0.091      
6 F -0.131      
7 F -0.131      
8 H 0.196      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.656 -0.069 0.000 1.657
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.724 -0.854 0.000
y -0.854 -39.076 0.000
z 0.000 0.000 -38.604
Traceless
 xyz
x 5.116 -0.854 0.000
y -0.854 -2.912 0.000
z 0.000 0.000 -2.205
Polar
3z2-r2-4.410
x2-y25.352
xy-0.854
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.591 0.006 0.000
y 0.006 3.748 0.000
z 0.000 0.000 3.845


<r2> (average value of r2) Å2
<r2> 138.519
(<r2>)1/2 11.769