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: B97D3/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/6-311G*
 hartrees
Energy at 0K-575.896637
Energy at 298.15K-575.899852
HF Energy-575.896637
Nuclear repulsion energy355.920621
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 B97D3/6-311G*
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' 3047 3047 35.34      
2 A' 1399 1399 0.95      
3 A' 1259 1259 153.97      
4 A' 1139 1139 194.74      
5 A' 1097 1097 179.65      
6 A' 830 830 55.07      
7 A' 697 697 30.67      
8 A' 559 559 12.03      
9 A' 502 502 5.78      
10 A' 349 349 0.05      
11 A' 238 238 3.66      
12 A" 1364 1364 10.97      
13 A" 1149 1149 409.39      
14 A" 1086 1086 105.52      
15 A" 558 558 0.20      
16 A" 399 399 0.67      
17 A" 205 205 2.52      
18 A" 62 62 0.73      

Unscaled Zero Point Vibrational Energy (zpe) 7969.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7969.4 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 B97D3/6-311G*
ABC
0.12002 0.07874 0.06525

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.124 -0.607 0.000
C2 -0.604 0.759 0.000
F3 1.460 -0.464 0.000
F4 -0.238 -1.311 1.096
F5 -0.238 -1.311 -1.096
F6 -0.238 1.458 -1.109
F7 -0.238 1.458 1.109
H8 -1.692 0.621 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.54761.34391.35161.35162.37212.37212.1924
C21.54762.39842.37022.37021.36131.36131.0972
F31.34392.39842.19142.19142.79392.79393.3335
F41.35162.37022.19142.19143.53962.76912.6547
F51.35162.37022.19142.19142.76913.53962.6547
F62.37211.36132.79393.53962.76912.21822.0113
F72.37211.36132.79392.76913.53962.21822.0113
H82.19241.09723.33352.65472.65472.01132.0113

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 109.100 C1 C2 F7 109.100
C1 C2 H8 110.832 C2 C1 F3 111.900
C2 C1 F4 109.494 C2 C1 F5 109.494
F3 C1 F4 108.777 F3 C1 F5 108.777
F4 C1 F5 108.328 F6 C2 F7 109.131
F6 C2 H8 109.326 F7 C2 H8 109.326
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.562      
2 C 0.199      
3 F -0.177      
4 F -0.189      
5 F -0.189      
6 F -0.203      
7 F -0.203      
8 H 0.199      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.422 -0.067 0.000 1.423
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.746 -0.767 0.000
y -0.767 -38.327 0.000
z 0.000 0.000 -38.099
Traceless
 xyz
x 4.467 -0.767 0.000
y -0.767 -2.405 0.000
z 0.000 0.000 -2.062
Polar
3z2-r2-4.124
x2-y24.582
xy-0.767
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.557 0.043 0.000
y 0.043 3.555 0.000
z 0.000 0.000 3.751


<r2> (average value of r2) Å2
<r2> 170.246
(<r2>)1/2 13.048