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All results from a given calculation for CF3CH2F (1,1,1,2-tetrafluoroethane)

using model chemistry: PBEPBE/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 PBEPBE/6-311G*
 hartrees
Energy at 0K-476.448133
Energy at 298.15K-476.451999
Nuclear repulsion energy269.401600
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 PBEPBE/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' 2996 2965 18.84      
2 A' 1455 1440 3.92      
3 A' 1403 1388 13.45      
4 A' 1252 1239 158.45      
5 A' 1120 1109 294.89      
6 A' 1072 1061 72.84      
7 A' 813 804 18.73      
8 A' 637 630 28.32      
9 A' 525 520 6.75      
10 A' 394 390 0.58      
11 A' 208 205 3.00      
12 A" 3056 3024 18.54      
13 A" 1273 1260 90.97      
14 A" 1160 1148 110.94      
15 A" 940 931 83.78      
16 A" 508 503 1.30      
17 A" 338 334 0.99      
18 A" 104 103 4.86      

Unscaled Zero Point Vibrational Energy (zpe) 9626.0 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 9525.9 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 PBEPBE/6-311G*
ABC
0.17399 0.09123 0.08992

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.363 0.190 0.000
C2 -1.159 0.244 0.000
F3 0.847 1.463 0.000
F4 0.847 -0.443 1.094
F5 0.847 -0.443 -1.094
F6 -1.679 -1.039 0.000
H7 -1.495 0.777 0.904
H8 -1.495 0.777 -0.904

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 H7 H8
C11.52261.36231.35341.35342.38292.14742.1474
C21.52262.34752.38592.38591.38431.10131.1013
F31.36232.34752.19792.19793.55552.60252.6025
F41.35342.38592.19792.18732.81632.64743.3109
F51.35342.38592.19792.18732.81633.31092.6474
F62.38291.38433.55552.81632.81632.03612.0361
H72.14741.10132.60252.64743.31092.03611.8072
H82.14741.10132.60253.31092.64742.03611.8072

picture of 1,1,1,2-tetrafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 110.028 C1 C2 H7 108.787
C1 C2 H8 108.787 C2 C1 F3 108.793
C2 C1 F4 111.983 C2 C1 F5 111.983
F3 C1 F4 108.061 F3 C1 F5 108.061
F4 C1 F5 107.815 F6 C2 H7 109.479
F6 C2 H8 109.479 H7 C2 H8 110.266
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.522      
2 C -0.236      
3 F -0.180      
4 F -0.168      
5 F -0.168      
6 F -0.215      
7 H 0.223      
8 H 0.223      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.174 1.432 0.000 1.851
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.238 -2.909 0.000
y -2.909 -33.123 0.000
z 0.000 0.000 -31.497
Traceless
 xyz
x 0.071 -2.909 0.000
y -2.909 -1.255 0.000
z 0.000 0.000 1.184
Polar
3z2-r22.367
x2-y20.884
xy-2.909
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.637 0.017 0.000
y 0.017 3.738 0.000
z 0.000 0.000 3.590


<r2> (average value of r2) Å2
<r2> 135.687
(<r2>)1/2 11.648