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: B97D3/aug-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 B97D3/aug-cc-pVDZ
 hartrees
Energy at 0K-575.816037
Energy at 298.15K-575.819214
HF Energy-575.816037
Nuclear repulsion energy354.363599
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 B97D3/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3049 3049 19.49      
2 A' 1370 1370 0.67      
3 A' 1240 1240 128.70      
4 A' 1113 1113 168.66      
5 A' 1077 1077 176.82      
6 A' 818 818 51.06      
7 A' 683 683 27.73      
8 A' 546 546 11.65      
9 A' 489 489 4.78      
10 A' 343 343 0.04      
11 A' 235 235 3.00      
12 A" 1311 1311 3.45      
13 A" 1120 1120 407.62      
14 A" 1060 1060 91.54      
15 A" 547 547 0.11      
16 A" 391 391 0.49      
17 A" 202 202 1.74      
18 A" 69 69 0.77      

Unscaled Zero Point Vibrational Energy (zpe) 7830.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7830.7 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 B97D3/aug-cc-pVDZ
ABC
0.11896 0.07809 0.06472

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.124 -0.608 0.000
C2 -0.608 0.759 0.000
F3 1.466 -0.463 0.000
F4 -0.239 -1.317 1.101
F5 -0.239 -1.317 -1.101
F6 -0.239 1.464 -1.114
F7 -0.239 1.464 1.114
H8 -1.703 0.622 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.55121.35001.35841.35842.38042.38042.2022
C21.55122.40802.37882.37881.36891.36891.1027
F31.35002.40802.20152.20152.80392.80393.3495
F41.35842.37882.20152.20113.55502.78122.6673
F51.35842.37882.20152.20112.78123.55502.6673
F62.38041.36892.80393.55502.78122.22732.0230
F72.38041.36892.80392.78123.55502.22732.0230
H82.20221.10273.34952.66732.66732.02302.0230

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 109.052 C1 C2 F7 109.052
C1 C2 H8 111.029 C2 C1 F3 112.016
C2 C1 F4 109.507 C2 C1 F5 109.507
F3 C1 F4 108.749 F3 C1 F5 108.749
F4 C1 F5 108.230 F6 C2 F7 108.885
F6 C2 H8 109.395 F7 C2 H8 109.395
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.309      
2 C 1.096      
3 F -0.423      
4 F -0.426      
5 F -0.426      
6 F -0.410      
7 F -0.410      
8 H -0.310      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.494 -0.061 0.000 1.495
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.348 -0.912 0.000
y -0.912 -39.091 0.000
z 0.000 0.000 -38.902
Traceless
 xyz
x 4.648 -0.912 0.000
y -0.912 -2.466 0.000
z 0.000 0.000 -2.183
Polar
3z2-r2-4.365
x2-y24.743
xy-0.912
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.765 0.007 0.000
y 0.007 5.012 0.000
z 0.000 0.000 5.069


<r2> (average value of r2) Å2
<r2> 171.932
(<r2>)1/2 13.112