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

using model chemistry: B3LYP/CEP-31G*

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/CEP-31G*
 hartrees
Energy at 0K-109.272415
Energy at 298.15K-109.276304
Nuclear repulsion energy152.266047
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/CEP-31G*
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' 3093 2987 25.41      
2 A' 1488 1437 5.64      
3 A' 1445 1395 12.37      
4 A' 1289 1244 150.74      
5 A' 1169 1129 284.65      
6 A' 1100 1062 97.49      
7 A' 828 799 17.27      
8 A' 646 624 32.56      
9 A' 531 513 8.90      
10 A' 397 383 0.75      
11 A' 211 204 3.49      
12 A" 3159 3051 22.08      
13 A" 1300 1255 136.62      
14 A" 1194 1153 98.65      
15 A" 969 936 65.63      
16 A" 516 498 1.97      
17 A" 337 325 1.22      
18 A" 100 97 6.82      

Unscaled Zero Point Vibrational Energy (zpe) 9885.1 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 9546.1 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/CEP-31G*
ABC
0.17340 0.09043 0.08905

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.367 0.190 0.000
C2 -1.175 0.248 0.000
F3 0.854 1.463 0.000
F4 0.854 -0.442 1.094
F5 0.854 -0.442 -1.094
F6 -1.686 -1.044 0.000
H7 -1.511 0.775 0.908
H8 -1.511 0.775 -0.908

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 H7 H8
C11.54341.36271.35411.35412.39542.16642.1664
C21.54342.36492.40612.40611.38901.10241.1024
F31.36272.36492.19682.19683.56852.62462.6246
F41.35412.40612.19682.18862.83022.66553.3288
F51.35412.40612.19682.18862.83023.32882.6655
F62.39541.38903.56852.83022.83022.04062.0406
H72.16641.10242.62462.66553.32882.04061.8165
H82.16641.10242.62463.32882.66552.04061.8165

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 109.434 C1 C2 H7 108.782
C1 C2 H8 108.782 C2 C1 F3 108.771
C2 C1 F4 112.116 C2 C1 F5 112.116
F3 C1 F4 107.919 F3 C1 F5 107.919
F4 C1 F5 107.836 F6 C2 H7 109.436
F6 C2 H8 109.436 H7 C2 H8 110.947
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.200      
2 C -0.071      
3 F -0.109      
4 F -0.096      
5 F -0.096      
6 F -0.194      
7 H 0.183      
8 H 0.183      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.408 1.677 0.000 2.190
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.373 -3.441 0.000
y -3.441 -33.338 0.000
z 0.000 0.000 -31.470
Traceless
 xyz
x 0.031 -3.441 0.000
y -3.441 -1.416 0.000
z 0.000 0.000 1.385
Polar
3z2-r22.770
x2-y20.964
xy-3.441
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.679 0.070 0.000
y 0.070 3.695 0.000
z 0.000 0.000 3.485


<r2> (average value of r2) Å2
<r2> 111.412
(<r2>)1/2 10.555