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: B3LYP/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/TZVP
 hartrees
Energy at 0K-576.260261
Energy at 298.15K-576.263634
HF Energy-576.260261
Nuclear repulsion energy357.979021
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 B3LYP/TZVP
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' 3101 2993 17.24      
2 A' 1430 1381 1.23      
3 A' 1294 1249 156.88      
4 A' 1180 1139 193.42      
5 A' 1132 1093 176.46      
6 A' 858 828 50.83      
7 A' 721 696 35.54      
8 A' 576 556 14.33      
9 A' 519 501 7.66      
10 A' 359 346 0.06      
11 A' 246 237 4.22      
12 A" 1385 1337 6.82      
13 A" 1191 1150 397.85      
14 A" 1125 1086 122.66      
15 A" 578 558 0.43      
16 A" 412 398 0.95      
17 A" 214 206 2.92      
18 A" 70 68 0.97      

Unscaled Zero Point Vibrational Energy (zpe) 8194.4 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 7910.8 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 B3LYP/TZVP
ABC
0.12170 0.07951 0.06594

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.123 -0.607 0.000
C2 -0.602 0.756 0.000
F3 1.449 -0.461 0.000
F4 -0.236 -1.306 1.088
F5 -0.236 -1.306 -1.088
F6 -0.236 1.452 -1.101
F7 -0.236 1.452 1.101
H8 -1.685 0.616 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.54371.33471.34201.34202.36182.36182.1826
C21.54372.38552.36012.36011.35331.35331.0918
F31.33472.38552.17632.17632.77652.77653.3143
F41.34202.36012.17632.17633.52092.75732.6418
F51.34202.36012.17632.17632.75733.52092.6418
F62.36181.35332.77653.52092.75732.20292.0032
F72.36181.35332.77652.75733.52092.20292.0032
H82.18261.09183.31432.64182.64182.00322.0032

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 109.046 C1 C2 F7 109.046
C1 C2 H8 110.648 C2 C1 F3 111.736
C2 C1 F4 109.541 C2 C1 F5 109.541
F3 C1 F4 108.796 F3 C1 F5 108.796
F4 C1 F5 108.363 F6 C2 F7 108.955
F6 C2 H8 109.559 F7 C2 H8 109.559
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.412      
2 C 0.227      
3 F -0.135      
4 F -0.147      
5 F -0.147      
6 F -0.171      
7 F -0.171      
8 H 0.131      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.628 -0.059 0.000 1.629
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.452 -1.013 0.000
y -1.013 -39.500 0.000
z 0.000 0.000 -39.382
Traceless
 xyz
x 4.988 -1.013 0.000
y -1.013 -2.582 0.000
z 0.000 0.000 -2.406
Polar
3z2-r2-4.812
x2-y25.047
xy-1.013
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.864 0.056 0.000
y 0.056 3.937 0.000
z 0.000 0.000 4.109


<r2> (average value of r2) Å2
<r2> 169.300
(<r2>)1/2 13.012