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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: PBEPBEultrafine/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/cc-pVTZ
 hartrees
Energy at 0K-575.695230
Energy at 298.15K-575.698445
HF Energy-575.695230
Nuclear repulsion energy356.234651
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/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' 2997 2976 23.03      
2 A' 1372 1363 0.70      
3 A' 1250 1241 140.29      
4 A' 1136 1128 186.29      
5 A' 1101 1093 132.04      
6 A' 832 826 41.28      
7 A' 695 691 29.32      
8 A' 555 551 11.81      
9 A' 498 495 5.22      
10 A' 346 343 0.02      
11 A' 231 230 3.09      
12 A" 1316 1307 5.89      
13 A" 1151 1143 389.26      
14 A" 1089 1081 75.74      
15 A" 557 553 0.21      
16 A" 395 393 0.60      
17 A" 200 199 1.92      
18 A" 67 67 0.65      

Unscaled Zero Point Vibrational Energy (zpe) 7893.4 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 7838.9 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 PBEPBEultrafine/cc-pVTZ
ABC
0.12016 0.07900 0.06544

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.122 -0.607 0.000
C2 -0.606 0.756 0.000
F3 1.457 -0.455 0.000
F4 -0.236 -1.311 1.096
F5 -0.236 -1.311 -1.096
F6 -0.236 1.455 -1.108
F7 -0.236 1.455 1.108
H8 -1.698 0.614 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.54501.34401.35101.35102.36762.36762.1917
C21.54502.39222.36902.36901.36081.36081.1019
F31.34402.39222.19132.19132.78272.78273.3318
F41.35102.36902.19132.19123.53662.76612.6544
F51.35102.36902.19132.19122.76613.53662.6544
F62.36761.36082.78273.53662.76612.21612.0177
F72.36761.36082.78272.76613.53662.21612.0177
H82.19171.10193.33182.65442.65442.01772.0177

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.968 C1 C2 F7 108.968
C1 C2 H8 110.684 C2 C1 F3 111.608
C2 C1 F4 109.591 C2 C1 F5 109.591
F3 C1 F4 108.804 F3 C1 F5 108.804
F4 C1 F5 108.380 F6 C2 F7 109.025
F6 C2 H8 109.584 F7 C2 H8 109.584
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.390      
2 C 0.253      
3 F -0.122      
4 F -0.131      
5 F -0.131      
6 F -0.149      
7 F -0.149      
8 H 0.040      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.362 -0.051 0.000 1.362
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.079 -0.772 0.000
y -0.772 -38.367 0.000
z 0.000 0.000 -38.138
Traceless
 xyz
x 4.174 -0.772 0.000
y -0.772 -2.258 0.000
z 0.000 0.000 -1.915
Polar
3z2-r2-3.831
x2-y24.288
xy-0.772
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.130 0.012 0.000
y 0.012 4.249 0.000
z 0.000 0.000 4.334


<r2> (average value of r2) Å2
<r2> 169.952
(<r2>)1/2 13.037