return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: PBE1PBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/cc-pVDZ
 hartrees
Energy at 0K-575.501334
Energy at 298.15K-575.504697
HF Energy-575.501334
Nuclear repulsion energy360.188572
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 PBE1PBE/cc-pVDZ
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' 3114 2994 25.89      
2 A' 1462 1405 6.29      
3 A' 1336 1284 199.46      
4 A' 1224 1177 205.94      
5 A' 1164 1120 124.63      
6 A' 879 845 44.06      
7 A' 728 700 35.06      
8 A' 582 560 14.54      
9 A' 523 503 8.23      
10 A' 361 347 0.04      
11 A' 236 227 3.97      
12 A" 1372 1319 20.66      
13 A" 1264 1215 403.84      
14 A" 1185 1139 96.07      
15 A" 586 563 0.77      
16 A" 414 398 1.04      
17 A" 200 193 2.62      
18 A" 58 56 0.79      

Unscaled Zero Point Vibrational Energy (zpe) 8343.2 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 8022.0 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 PBE1PBE/cc-pVDZ
ABC
0.12284 0.08083 0.06694

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.119 -0.600 0.000
C2 -0.601 0.748 0.000
F3 1.440 -0.448 0.000
F4 -0.233 -1.297 1.083
F5 -0.233 -1.297 -1.083
F6 -0.233 1.438 -1.096
F7 -0.233 1.438 1.096
H8 -1.693 0.602 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.52781.32971.33561.33562.34032.34032.1741
C21.52782.36572.34312.34311.34631.34631.1018
F31.32972.36572.16642.16642.74942.74943.3044
F41.33562.34312.16642.16683.49702.73482.6288
F51.33562.34312.16642.16682.73483.49702.6288
F62.34031.34632.74943.49702.73482.19222.0078
F72.34031.34632.74942.73483.49702.19222.0078
H82.17411.10183.30442.62882.62882.00782.0078

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.867 C1 C2 F7 108.867
C1 C2 H8 110.494 C2 C1 F3 111.576
C2 C1 F4 109.651 C2 C1 F5 109.651
F3 C1 F4 108.740 F3 C1 F5 108.740
F4 C1 F5 108.419 F6 C2 F7 109.004
F6 C2 H8 109.789 F7 C2 H8 109.789
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.444      
2 C 0.351      
3 F -0.152      
4 F -0.162      
5 F -0.162      
6 F -0.186      
7 F -0.186      
8 H 0.052      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.415 -0.061 0.000 1.417
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.491 -0.728 0.000
y -0.728 -37.921 0.000
z 0.000 0.000 -37.658
Traceless
 xyz
x 4.298 -0.728 0.000
y -0.728 -2.346 0.000
z 0.000 0.000 -1.952
Polar
3z2-r2-3.904
x2-y24.429
xy-0.728
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.317 0.047 0.000
y 0.047 3.250 0.000
z 0.000 0.000 3.419


<r2> (average value of r2) Å2
<r2> 166.374
(<r2>)1/2 12.899