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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: mPW1PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-311G*
 hartrees
Energy at 0K-576.048873
Energy at 298.15K-576.052261
HF Energy-576.048873
Nuclear repulsion energy360.522813
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 mPW1PW91/6-311G*
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' 3143 3000 27.31      
2 A' 1470 1403 0.94      
3 A' 1334 1273 183.59      
4 A' 1220 1164 210.42      
5 A' 1165 1111 153.21      
6 A' 881 841 48.91      
7 A' 733 699 36.51      
8 A' 585 558 14.98      
9 A' 525 501 8.32      
10 A' 363 347 0.05      
11 A' 241 230 4.24      
12 A" 1410 1346 14.52      
13 A" 1245 1188 413.07      
14 A" 1174 1121 107.59      
15 A" 588 561 0.69      
16 A" 418 399 1.07      
17 A" 207 197 2.80      
18 A" 64 61 0.87      

Unscaled Zero Point Vibrational Energy (zpe) 8382.7 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 8000.5 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 mPW1PW91/6-311G*
ABC
0.12314 0.08088 0.06699

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.120 -0.601 0.000
C2 -0.599 0.749 0.000
F3 1.439 -0.452 0.000
F4 -0.233 -1.295 1.082
F5 -0.233 -1.295 -1.082
F6 -0.233 1.438 -1.095
F7 -0.233 1.438 1.095
H8 -1.682 0.613 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.53001.32721.33351.33352.34142.34142.1728
C21.53002.36562.34212.34211.34421.34421.0915
F31.32722.36562.16332.16332.75112.75113.2975
F41.33352.34212.16332.16423.49442.73332.6286
F51.33352.34212.16332.16422.73333.49442.6286
F62.34141.34422.75113.49442.73332.19041.9944
F72.34141.34422.75112.73333.49442.19041.9944
H82.17281.09153.29752.62862.62861.99441.9944

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.928 C1 C2 F7 108.928
C1 C2 H8 110.847 C2 C1 F3 111.583
C2 C1 F4 109.562 C2 C1 F5 109.562
F3 C1 F4 108.794 F3 C1 F5 108.794
F4 C1 F5 108.485 F6 C2 F7 109.122
F6 C2 H8 109.495 F7 C2 H8 109.495
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.584      
2 C 0.198      
3 F -0.186      
4 F -0.196      
5 F -0.196      
6 F -0.211      
7 F -0.211      
8 H 0.220      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.502 -0.073 0.000 1.504
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.699 -0.833 0.000
y -0.833 -38.376 0.000
z 0.000 0.000 -38.227
Traceless
 xyz
x 4.603 -0.833 0.000
y -0.833 -2.413 0.000
z 0.000 0.000 -2.189
Polar
3z2-r2-4.379
x2-y24.677
xy-0.833
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.364 0.052 0.000
y 0.052 3.325 0.000
z 0.000 0.000 3.526


<r2> (average value of r2) Å2
<r2> 166.468
(<r2>)1/2 12.902