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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: TPSSh/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/STO-3G
 hartrees
Energy at 0K-567.901122
Energy at 298.15K-567.903496
HF Energy-567.901122
Nuclear repulsion energy339.476651
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 TPSSh/STO-3G
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' 3132 3132 26.53      
2 A' 1396 1396 51.57      
3 A' 1260 1260 82.65      
4 A' 1153 1153 15.26      
5 A' 1119 1119 95.77      
6 A' 785 785 3.91      
7 A' 649 649 20.97      
8 A' 516 516 11.65      
9 A' 446 446 4.65      
10 A' 294 294 0.10      
11 A' 188 188 0.83      
12 A" 1428 1428 15.62      
13 A" 1284 1284 123.90      
14 A" 1207 1207 45.61      
15 A" 507 507 0.98      
16 A" 347 347 0.79      
17 A" 152 152 0.55      
18 A" 34 34 0.23      

Unscaled Zero Point Vibrational Energy (zpe) 7948.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7948.2 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 TPSSh/STO-3G
ABC
0.11134 0.07000 0.05852

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.130 -0.664 0.000
C2 -0.623 0.834 0.000
F3 1.525 -0.519 0.000
F4 -0.251 -1.387 1.141
F5 -0.251 -1.387 -1.141
F6 -0.251 1.554 -1.145
F7 -0.251 1.554 1.145
H8 -1.743 0.653 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.67641.40241.40391.40392.52442.52442.2895
C21.67642.53862.52462.52461.40251.40251.1348
F31.40242.53862.28242.28242.96002.96003.4718
F41.40392.52462.28242.28283.72482.94052.7729
F51.40392.52462.28242.28282.94053.72482.7729
F62.52441.40252.96003.72482.94052.28992.0854
F72.52441.40252.96002.94053.72482.28992.0854
H82.28951.13483.47182.77292.77292.08542.0854

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 109.834 C1 C2 F7 109.834
C1 C2 H8 107.494 C2 C1 F3 110.773
C2 C1 F4 109.774 C2 C1 F5 109.774
F3 C1 F4 108.846 F3 C1 F5 108.846
F4 C1 F5 108.788 F6 C2 F7 109.444
F6 C2 H8 110.106 F7 C2 H8 110.106
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.252      
2 C 0.112      
3 F -0.086      
4 F -0.088      
5 F -0.088      
6 F -0.084      
7 F -0.084      
8 H 0.066      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.730 -0.015 0.000 0.730
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.165 -0.002 0.000
y -0.002 2.468 0.000
z 0.000 0.000 2.480


<r2> (average value of r2) Å2
<r2> 183.306
(<r2>)1/2 13.539