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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: B3PW91/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-576.034190
Energy at 298.15K-576.037583
HF Energy-576.034190
Nuclear repulsion energy359.755952
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/cc-pVTZ
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' 3087 2968 20.72      
2 A' 1440 1385 1.02      
3 A' 1312 1261 164.01      
4 A' 1202 1155 188.76      
5 A' 1153 1109 141.85      
6 A' 870 836 41.50      
7 A' 727 699 33.51      
8 A' 580 558 13.52      
9 A' 521 501 6.91      
10 A' 360 346 0.04      
11 A' 240 231 3.50      
12 A" 1373 1321 7.99      
13 A" 1223 1176 392.82      
14 A" 1156 1112 94.58      
15 A" 583 561 0.50      
16 A" 414 398 0.83      
17 A" 208 200 2.17      
18 A" 72 69 0.76      

Unscaled Zero Point Vibrational Energy (zpe) 8259.5 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 7942.3 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/cc-pVTZ
ABC
0.12285 0.08036 0.06663

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.121 -0.604 0.000
C2 -0.600 0.753 0.000
F3 1.442 -0.456 0.000
F4 -0.234 -1.299 1.083
F5 -0.234 -1.299 -1.083
F6 -0.234 1.443 -1.096
F7 -0.234 1.443 1.096
H8 -1.683 0.611 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.53681.32891.33521.33522.34952.34952.1756
C21.53682.37242.34922.34921.34581.34581.0932
F31.32892.37242.16652.16652.75972.75973.3022
F41.33522.34922.16652.16673.50302.74272.6310
F51.33522.34922.16652.16672.74273.50302.6310
F62.34951.34582.75973.50302.74272.19171.9988
F72.34951.34582.75972.74273.50302.19171.9988
H82.17561.09323.30222.63102.63101.99881.9988

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 109.006 C1 C2 F7 109.006
C1 C2 H8 110.494 C2 C1 F3 111.551
C2 C1 F4 109.565 C2 C1 F5 109.565
F3 C1 F4 108.822 F3 C1 F5 108.822
F4 C1 F5 108.456 F6 C2 F7 109.027
F6 C2 H8 109.641 F7 C2 H8 109.641
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.446      
2 C 0.297      
3 F -0.143      
4 F -0.152      
5 F -0.152      
6 F -0.171      
7 F -0.171      
8 H 0.046      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.448 -0.058 0.000 1.449
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.756 -0.847 0.000
y -0.847 -38.228 0.000
z 0.000 0.000 -38.071
Traceless
 xyz
x 4.394 -0.847 0.000
y -0.847 -2.314 0.000
z 0.000 0.000 -2.080
Polar
3z2-r2-4.159
x2-y24.472
xy-0.847
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.900 0.022 0.000
y 0.022 4.000 0.000
z 0.000 0.000 4.094


<r2> (average value of r2) Å2
<r2> 167.137
(<r2>)1/2 12.928