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

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-476.599635
Energy at 298.15K-476.603621
Nuclear repulsion energy271.867440
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 B3PW91/6-31G*
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' 3092 2958 16.39      
2 A' 1527 1461 3.57      
3 A' 1473 1409 15.00      
4 A' 1326 1269 166.07      
5 A' 1225 1172 259.35      
6 A' 1145 1095 77.30      
7 A' 855 818 14.68      
8 A' 663 634 29.18      
9 A' 544 521 8.41      
10 A' 407 390 0.65      
11 A' 211 202 2.81      
12 A" 3152 3016 19.56      
13 A" 1343 1285 140.45      
14 A" 1229 1176 68.88      
15 A" 999 956 55.52      
16 A" 526 503 2.04      
17 A" 349 334 1.23      
18 A" 106 101 4.73      

Unscaled Zero Point Vibrational Energy (zpe) 10086.4 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 9649.6 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 B3PW91/6-31G*
ABC
0.17724 0.09297 0.09167

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.362 0.191 0.000
C2 -1.154 0.239 0.000
F3 0.838 1.451 0.000
F4 0.838 -0.436 1.084
F5 0.838 -0.436 -1.084
F6 -1.655 -1.037 0.000
H7 -1.490 0.772 0.896
H8 -1.490 0.772 -0.896

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 H7 H8
C11.51681.34721.33991.33992.36112.13722.1372
C21.51682.33182.36652.36651.37111.09461.0946
F31.34722.33182.17682.17683.52212.58482.5848
F41.33992.36652.17682.16812.78372.62943.2858
F51.33992.36652.17682.16812.78373.28582.6294
F62.36111.37113.52212.78372.78372.02542.0254
H72.13721.09462.58482.62943.28582.02541.7910
H82.13721.09462.58483.28582.62942.02541.7910

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 109.582 C1 C2 H7 108.775
C1 C2 H8 108.775 C2 C1 F3 108.869
C2 C1 F4 111.717 C2 C1 F5 111.717
F3 C1 F4 108.210 F3 C1 F5 108.210
F4 C1 F5 108.001 F6 C2 H7 109.947
F6 C2 H8 109.947 H7 C2 H8 109.788
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.777      
2 C -0.085      
3 F -0.267      
4 F -0.256      
5 F -0.256      
6 F -0.287      
7 H 0.187      
8 H 0.187      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.136 1.409 0.000 1.811
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.316 -2.789 0.000
y -2.789 -32.230 0.000
z 0.000 0.000 -30.758
Traceless
 xyz
x 0.178 -2.789 0.000
y -2.789 -1.192 0.000
z 0.000 0.000 1.015
Polar
3z2-r22.029
x2-y20.913
xy-2.789
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.457 0.004 0.000
y 0.004 3.531 0.000
z 0.000 0.000 3.466


<r2> (average value of r2) Å2
<r2> 133.024
(<r2>)1/2 11.534