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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: PBEPBEultrafine/aug-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 PBEPBEultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-575.708731
Energy at 298.15K-575.711935
HF Energy-575.708731
Nuclear repulsion energy355.769473
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 PBEPBEultrafine/aug-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' 3002 2969 17.35      
2 A' 1365 1349 1.14      
3 A' 1240 1226 131.70      
4 A' 1124 1112 176.36      
5 A' 1094 1081 152.85      
6 A' 828 819 42.24      
7 A' 692 685 29.56      
8 A' 553 547 12.15      
9 A' 496 490 5.05      
10 A' 344 340 0.03      
11 A' 232 229 2.94      
12 A" 1307 1292 3.59      
13 A" 1135 1123 402.72      
14 A" 1075 1063 81.71      
15 A" 554 547 0.16      
16 A" 394 389 0.55      
17 A" 201 199 1.68      
18 A" 69 69 0.73      

Unscaled Zero Point Vibrational Energy (zpe) 7852.4 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 7764.5 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 PBEPBEultrafine/aug-cc-pVTZ
ABC
0.12003 0.07866 0.06521

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.123 -0.608 0.000
C2 -0.606 0.758 0.000
F3 1.459 -0.460 0.000
F4 -0.237 -1.313 1.096
F5 -0.237 -1.313 -1.096
F6 -0.237 1.459 -1.108
F7 -0.237 1.459 1.108
H8 -1.699 0.619 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.54841.34481.35211.35212.37272.37272.1962
C21.54842.39762.37252.37251.36231.36231.1015
F31.34482.39762.19242.19242.79022.79023.3371
F41.35212.37252.19242.19223.54182.77222.6593
F51.35212.37252.19242.19222.77223.54182.6593
F62.37271.36232.79023.54182.77222.21662.0179
F72.37271.36232.79022.77223.54182.21662.0179
H82.19621.10153.33712.65932.65932.01792.0179

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 109.042 C1 C2 F7 109.042
C1 C2 H8 110.814 C2 C1 F3 111.741
C2 C1 F4 109.576 C2 C1 F5 109.576
F3 C1 F4 108.774 F3 C1 F5 108.774
F4 C1 F5 108.329 F6 C2 F7 108.886
F6 C2 H8 109.513 F7 C2 H8 109.513
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.989      
2 C 0.322      
3 F -0.299      
4 F -0.307      
5 F -0.307      
6 F -0.326      
7 F -0.326      
8 H 0.255      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.451 -0.052 0.000 1.452
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.565 -0.906 0.000
y -0.906 -39.117 0.000
z 0.000 0.000 -38.974
Traceless
 xyz
x 4.480 -0.906 0.000
y -0.906 -2.347 0.000
z 0.000 0.000 -2.133
Polar
3z2-r2-4.266
x2-y24.551
xy-0.906
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.898 -0.009 0.000
y -0.009 5.153 0.000
z 0.000 0.000 5.169


<r2> (average value of r2) Å2
<r2> 170.860
(<r2>)1/2 13.071