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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-575.801177
Energy at 298.15K-575.804490
HF Energy-575.801177
Nuclear repulsion energy359.230484
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 B3PW91/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3124 2988 30.88      
2 A' 1468 1405 0.39      
3 A' 1341 1283 170.74      
4 A' 1230 1176 187.97      
5 A' 1166 1115 120.32      
6 A' 880 842 44.71      
7 A' 725 693 32.04      
8 A' 573 549 14.41      
9 A' 515 493 7.16      
10 A' 357 342 0.03      
11 A' 237 227 3.44      
12 A" 1415 1354 18.88      
13 A" 1263 1208 350.80      
14 A" 1186 1135 99.29      
15 A" 581 555 0.66      
16 A" 411 393 1.02      
17 A" 201 192 2.17      
18 A" 62 59 0.72      

Unscaled Zero Point Vibrational Energy (zpe) 8366.8 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 8004.5 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 B3PW91/6-31G*
ABC
0.12188 0.08057 0.06663

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.120 -0.601 0.000
C2 -0.602 0.750 0.000
F3 1.445 -0.447 0.000
F4 -0.234 -1.299 1.087
F5 -0.234 -1.299 -1.087
F6 -0.234 1.439 -1.101
F7 -0.234 1.439 1.101
H8 -1.688 0.608 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.53221.33371.33981.33982.34572.34572.1753
C21.53222.37102.34862.34861.35041.35041.0948
F31.33372.37102.17462.17462.75482.75483.3055
F41.33982.34862.17462.17503.50552.73812.6332
F51.33982.34862.17462.17502.73813.50552.6332
F62.34571.35042.75483.50552.73812.20302.0039
F72.34571.35042.75482.73813.50552.20302.0039
H82.17531.09483.30552.63322.63322.00392.0039

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.765 C1 C2 F7 108.765
C1 C2 H8 110.703 C2 C1 F3 111.464
C2 C1 F4 109.545 C2 C1 F5 109.545
F3 C1 F4 108.855 F3 C1 F5 108.855
F4 C1 F5 108.522 F6 C2 F7 109.314
F6 C2 H8 109.634 F7 C2 H8 109.634
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.762      
2 C 0.352      
3 F -0.248      
4 F -0.256      
5 F -0.256      
6 F -0.265      
7 F -0.265      
8 H 0.174      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.359 -0.068 0.000 1.361
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.149 -0.718 0.000
y -0.718 -37.314 0.000
z 0.000 0.000 -37.121
Traceless
 xyz
x 4.069 -0.718 0.000
y -0.718 -2.179 0.000
z 0.000 0.000 -1.890
Polar
3z2-r2-3.780
x2-y24.165
xy-0.718
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.498 0.018 0.000
y 0.018 3.474 0.000
z 0.000 0.000 3.591


<r2> (average value of r2) Å2
<r2> 166.759
(<r2>)1/2 12.914