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

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 C3V 1A1
Energy calculated at B3PW91/6-31G**
 hartrees
Energy at 0K-377.423924
Energy at 298.15K-377.428556
Nuclear repulsion energy201.152059
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
4/u)
Dep P Dep U
1 A1 3093 2965 0.64      
2 A1 1443 1383 100.68      
3 A1 1301 1247 147.41      
4 A1 843 808 3.69      
5 A1 598 573 20.59      
6 A2 245 235 0.00      
7 E 3190 3057 4.65      
7 E 3190 3057 4.65      
8 E 1493 1431 0.00      
8 E 1493 1431 0.00      
9 E 1276 1223 244.50      
9 E 1276 1223 244.48      
10 E 987 946 39.04      
10 E 987 946 39.05      
11 E 535 513 0.82      
11 E 535 513 0.82      
12 E 360 345 0.70      
12 E 360 345 0.70      

Unscaled Zero Point Vibrational Energy (zpe) 11603.0 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 11120.3 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
0.18177 0.17244 0.17244

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.473
C2 0.000 0.000 -0.029
H3 0.000 -1.028 1.838
H4 0.890 0.514 1.838
H5 -0.890 0.514 1.838
F6 0.000 1.253 -0.525
F7 -1.085 -0.627 -0.525
F8 1.085 -0.627 -0.525

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 F6 F7 F8
C11.50231.09101.09101.09102.35882.35882.3588
C21.50232.13172.13172.13171.34801.34801.3480
H31.09102.13171.78071.78073.28492.63152.6315
H41.09102.13171.78071.78072.63153.28492.6315
H51.09102.13171.78071.78072.63152.63153.2849
F62.35881.34803.28492.63152.63152.17102.1710
F72.35881.34802.63153.28492.63152.17102.1710
F82.35881.34802.63152.63153.28492.17102.1710

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 111.585 C1 C2 F7 111.585
C1 C2 F8 111.585 C2 C1 H3 109.551
C2 C1 H4 109.551 C2 C1 H5 109.551
H3 C1 H4 109.391 H3 C1 H5 109.391
H4 C1 H5 109.391 F6 C2 F7 107.277
F6 C2 F8 107.277 F7 C2 F8 107.277
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 -0.481      
2 C 0.788      
3 H 0.167      
4 H 0.167      
5 H 0.167      
6 F -0.269      
7 F -0.269      
8 F -0.269      


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 2.061 2.061
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.467 0.000 0.000
y 0.000 -27.467 0.000
z 0.000 0.000 -24.906
Traceless
 xyz
x -1.280 0.000 0.000
y 0.000 -1.280 0.000
z 0.000 0.000 2.561
Polar
3z2-r25.122
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> 92.819
(<r2>)1/2 9.634