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

using model chemistry: PBEPBE/STO-3G

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/STO-3G
 hartrees
Energy at 0K-469.555396
Energy at 298.15K-469.558434
Nuclear repulsion energy257.272648
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/STO-3G
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' 3121 2851 14.45      
2 A' 1592 1454 0.63      
3 A' 1420 1297 9.77      
4 A' 1250 1142 115.79      
5 A' 1180 1078 23.79      
6 A' 1114 1018 88.31      
7 A' 767 701 0.44      
8 A' 580 530 11.98      
9 A' 460 420 4.02      
10 A' 340 311 0.76      
11 A' 167 152 0.49      
12 A" 3218 2940 14.00      
13 A" 1336 1220 93.63      
14 A" 1218 1113 26.85      
15 A" 942 861 9.88      
16 A" 451 412 1.41      
17 A" 281 257 0.31      
18 A" 11 10 1.15      

Unscaled Zero Point Vibrational Energy (zpe) 9722.5 cm-1
Scaled (by 0.9136) Zero Point Vibrational Energy (zpe) 8882.5 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/STO-3G
ABC
0.15979 0.08194 0.08094

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.407 0.202 0.000
C2 -1.243 0.225 0.000
F3 0.897 1.528 0.000
F4 0.897 -0.460 1.145
F5 0.897 -0.460 -1.145
F6 -1.786 -1.071 0.000
H7 -1.563 0.806 0.910
H8 -1.563 0.806 -0.910

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 H7 H8
C11.65021.41321.41061.41062.53542.25262.2526
C21.65022.50532.52182.52181.40481.12641.1264
F31.41322.50532.29442.29443.73482.72032.7203
F41.41062.52182.29442.28992.97972.77653.4465
F51.41062.52182.29442.28992.97973.44652.7765
F62.53541.40483.73482.97972.97972.09792.0979
H72.25261.12642.72032.77653.44652.09791.8208
H82.25261.12642.72033.44652.77652.09791.8208

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 111.931 C1 C2 H7 106.921
C1 C2 H8 106.921 C2 C1 F3 109.490
C2 C1 F4 110.710 C2 C1 F5 110.710
F3 C1 F4 108.682 F3 C1 F5 108.682
F4 C1 F5 108.515 F6 C2 H7 111.480
F6 C2 H8 111.480 H7 C2 H8 107.843
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.220      
2 C -0.078      
3 F -0.078      
4 F -0.075      
5 F -0.075      
6 F -0.070      
7 H 0.078      
8 H 0.078      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.525 0.669 0.000 0.850
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.804 -1.389 0.000
y -1.389 -28.330 0.000
z 0.000 0.000 -27.612
Traceless
 xyz
x 0.167 -1.389 0.000
y -1.389 -0.622 0.000
z 0.000 0.000 0.454
Polar
3z2-r20.909
x2-y20.526
xy-1.389
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.274 0.162 0.000
y 0.162 2.403 0.000
z 0.000 0.000 2.117


<r2> (average value of r2) Å2
<r2> 145.243
(<r2>)1/2 12.052