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All results from a given calculation for CH3CF3 (Ethane, 1,1,1-trifluoro-)

using model chemistry: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-377.495157
Energy at 298.15K-377.499779
Nuclear repulsion energy201.216284
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 mPW1PW91/6-31+G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3109 2959 0.54      
2 A1 1447 1377 105.45      
3 A1 1301 1238 143.00      
4 A1 842 801 5.84      
5 A1 599 570 22.79      
6 A2 234 223 0.00      
7 E 3209 3054 2.15      
7 E 3209 3054 2.15      
8 E 1492 1420 0.50      
8 E 1492 1420 0.50      
9 E 1246 1186 271.94      
9 E 1246 1186 271.92      
10 E 981 934 57.53      
10 E 981 934 57.54      
11 E 535 510 0.78      
11 E 535 510 0.78      
12 E 362 345 0.81      
12 E 362 345 0.81      

Unscaled Zero Point Vibrational Energy (zpe) 11589.7 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 11031.1 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 mPW1PW91/6-31+G**
ABC
0.18229 0.17240 0.17240

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.475
C2 0.000 0.000 -0.023
H3 0.000 -1.028 1.836
H4 0.890 0.514 1.836
H5 -0.890 0.514 1.836
F6 0.000 1.252 -0.527
F7 -1.084 -0.626 -0.527
F8 1.084 -0.626 -0.527

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 F6 F7 F8
C11.49891.08971.08971.08972.36112.36112.3611
C21.49892.12502.12502.12501.34891.34891.3489
H31.08972.12501.78101.78103.28342.63062.6306
H41.08972.12501.78101.78102.63063.28342.6306
H51.08972.12501.78101.78102.63062.63063.2834
F62.36111.34893.28342.63062.63062.16782.1678
F72.36111.34892.63063.28342.63062.16782.1678
F82.36111.34892.63062.63063.28342.16782.1678

picture of Ethane, 1,1,1-trifluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 111.901 C1 C2 F7 111.902
C1 C2 F8 111.902 C2 C1 H3 109.335
C2 C1 H4 109.335 C2 C1 H5 109.335
H3 C1 H4 109.607 H3 C1 H5 109.607
H4 C1 H5 109.607 F6 C2 F7 106.935
F6 C2 F8 106.935 F7 C2 F8 106.935
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.522      
2 C 0.788      
3 H 0.206      
4 H 0.206      
5 H 0.206      
6 F -0.295      
7 F -0.295      
8 F -0.295      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 2.483 2.483
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.637 0.000 0.000
y 0.000 -28.637 0.000
z 0.000 0.000 -25.473
Traceless
 xyz
x -1.582 0.000 0.000
y 0.000 -1.582 0.000
z 0.000 0.000 3.164
Polar
3z2-r26.327
x2-y20.000
xy0.000
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 93.362
(<r2>)1/2 9.662