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: mPW1PW91/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 mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-575.968958
Energy at 298.15K-575.972309
HF Energy-575.968958
Nuclear repulsion energy359.005528
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 mPW1PW91/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' 3135 3005 14.70      
2 A' 1444 1383 2.46      
3 A' 1310 1256 157.18      
4 A' 1194 1145 180.39      
5 A' 1146 1098 141.27      
6 A' 868 831 44.35      
7 A' 718 688 32.76      
8 A' 572 548 14.53      
9 A' 512 491 7.00      
10 A' 357 342 0.04      
11 A' 238 228 3.48      
12 A" 1357 1300 5.88      
13 A" 1218 1167 398.09      
14 A" 1151 1103 93.20      
15 A" 576 552 0.50      
16 A" 409 392 0.85      
17 A" 204 195 1.91      
18 A" 69 66 0.90      

Unscaled Zero Point Vibrational Energy (zpe) 8238.7 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 7895.2 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 mPW1PW91/aug-cc-pVDZ
ABC
0.12213 0.08022 0.06646

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.121 -0.602 0.000
C2 -0.603 0.750 0.000
F3 1.445 -0.452 0.000
F4 -0.234 -1.301 1.087
F5 -0.234 -1.301 -1.087
F6 -0.234 1.444 -1.099
F7 -0.234 1.444 1.099
H8 -1.692 0.613 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.53401.33301.33981.33982.34972.34972.1823
C21.53402.37502.35072.35071.35121.35121.0976
F31.33302.37502.17272.17272.76072.76073.3130
F41.33982.35072.17272.17343.50912.74522.6403
F51.33982.35072.17272.17342.74523.50912.6403
F62.34971.35122.76073.50912.74522.19832.0063
F72.34971.35122.76072.74523.50912.19832.0063
H82.18231.09763.31302.64032.64032.00632.0063

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.889 C1 C2 F7 108.889
C1 C2 H8 110.956 C2 C1 F3 111.677
C2 C1 F4 109.582 C2 C1 F5 109.582
F3 C1 F4 108.762 F3 C1 F5 108.762
F4 C1 F5 108.411 F6 C2 F7 108.872
F6 C2 H8 109.599 F7 C2 H8 109.599
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.354      
2 C 1.050      
3 F -0.438      
4 F -0.441      
5 F -0.441      
6 F -0.426      
7 F -0.426      
8 H -0.232      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.557 -0.065 0.000 1.559
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.153 -0.949 0.000
y -0.949 -38.936 0.000
z 0.000 0.000 -38.805
Traceless
 xyz
x 4.717 -0.949 0.000
y -0.949 -2.457 0.000
z 0.000 0.000 -2.260
Polar
3z2-r2-4.521
x2-y24.783
xy-0.949
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.451 0.011 0.000
y 0.011 4.647 0.000
z 0.000 0.000 4.704


<r2> (average value of r2) Å2
<r2> 167.968
(<r2>)1/2 12.960