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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: PBEPBE/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/TZVP
 hartrees
Energy at 0K-575.707701
Energy at 298.15K-575.710922
HF Energy-575.707701
Nuclear repulsion energy355.403131
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 PBEPBE/TZVP
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' 3010 2976 19.77      
2 A' 1369 1354 1.22      
3 A' 1241 1228 145.06      
4 A' 1128 1115 181.25      
5 A' 1093 1081 172.38      
6 A' 827 817 47.83      
7 A' 696 688 31.05      
8 A' 557 550 12.55      
9 A' 501 495 5.75      
10 A' 346 343 0.03      
11 A' 236 234 3.65      
12 A" 1328 1313 5.30      
13 A" 1137 1124 409.67      
14 A" 1077 1065 97.63      
15 A" 557 551 0.16      
16 A" 396 392 0.70      
17 A" 206 203 2.52      
18 A" 67 66 0.80      

Unscaled Zero Point Vibrational Energy (zpe) 7885.2 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 7796.9 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 PBEPBE/TZVP
ABC
0.11974 0.07850 0.06506

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.124 -0.609 0.000
C2 -0.605 0.760 0.000
F3 1.461 -0.462 0.000
F4 -0.238 -1.314 1.097
F5 -0.238 -1.314 -1.097
F6 -0.238 1.460 -1.110
F7 -0.238 1.460 1.110
H8 -1.699 0.619 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.55141.34551.35311.35312.37632.37632.1974
C21.55142.40082.37502.37501.36311.36311.1023
F31.34552.40082.19442.19442.79542.79543.3394
F41.35312.37502.19442.19453.54532.77422.6596
F51.35312.37502.19442.19452.77423.54532.6596
F62.37631.36312.79543.54532.77422.22042.0185
F72.37631.36312.79542.77423.54532.22042.0185
H82.19741.10233.33942.65962.65962.01852.0185

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 109.072 C1 C2 F7 109.072
C1 C2 H8 110.664 C2 C1 F3 111.743
C2 C1 F4 109.522 C2 C1 F5 109.522
F3 C1 F4 108.809 F3 C1 F5 108.809
F4 C1 F5 108.368 F6 C2 F7 109.075
F6 C2 H8 109.467 F7 C2 H8 109.467
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.291      
2 C 0.150      
3 F -0.094      
4 F -0.107      
5 F -0.107      
6 F -0.132      
7 F -0.132      
8 H 0.131      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.514 -0.051 0.000 1.515
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.558 -0.933 0.000
y -0.933 -39.309 0.000
z 0.000 0.000 -39.159
Traceless
 xyz
x 4.676 -0.933 0.000
y -0.933 -2.451 0.000
z 0.000 0.000 -2.225
Polar
3z2-r2-4.450
x2-y24.751
xy-0.933
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.094 0.051 0.000
y 0.051 4.187 0.000
z 0.000 0.000 4.360


<r2> (average value of r2) Å2
<r2> 171.269
(<r2>)1/2 13.087