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

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G*
 hartrees
Energy at 0K-377.185390
Energy at 298.15K-377.190038
HF Energy-377.185390
Nuclear repulsion energy201.672423
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 PBE1PBE/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 3113 2958 0.51      
2 A1 1463 1390 107.20      
3 A1 1320 1254 142.97      
4 A1 855 813 3.71      
5 A1 603 573 21.29      
6 A2 246 234 0.00      
7 E 3208 3048 4.10      
7 E 3208 3048 4.10      
8 E 1512 1437 0.01      
8 E 1512 1437 0.01      
9 E 1299 1234 250.17      
9 E 1299 1234 250.20      
10 E 1001 951 36.67      
10 E 1001 951 36.68      
11 E 540 513 1.04      
11 E 540 513 1.04      
12 E 361 343 0.64      
12 E 361 343 0.64      

Unscaled Zero Point Vibrational Energy (zpe) 11719.3 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 11136.9 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 PBE1PBE/6-31G*
ABC
0.18283 0.17331 0.17331

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.470
C2 0.000 0.000 -0.030
H3 0.000 -1.029 1.835
H4 0.891 0.514 1.835
H5 -0.891 0.514 1.835
F6 0.000 1.250 -0.524
F7 -1.082 -0.625 -0.524
F8 1.082 -0.625 -0.524

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 F6 F7 F8
C11.50021.09181.09181.09182.35292.35292.3529
C21.50022.13042.13042.13041.34351.34351.3435
H31.09182.13041.78201.78203.27972.62662.6266
H41.09182.13041.78201.78202.62663.27972.6266
H51.09182.13041.78201.78202.62662.62663.2797
F62.35291.34353.27972.62662.62662.16442.1644
F72.35291.34352.62663.27972.62662.16442.1644
F82.35291.34352.62662.62663.27972.16442.1644

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 111.551 C1 C2 F7 111.551
C1 C2 F8 111.551 C2 C1 H3 109.547
C2 C1 H4 109.547 C2 C1 H5 109.547
H3 C1 H4 109.395 H3 C1 H5 109.395
H4 C1 H5 109.395 F6 C2 F7 107.314
F6 C2 F8 107.314 F7 C2 F8 107.314
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.627      
2 C 0.809      
3 H 0.209      
4 H 0.209      
5 H 0.209      
6 F -0.270      
7 F -0.270      
8 F -0.270      


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 2.027 2.027
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.485 0.000 0.000
y 0.000 -27.485 0.000
z 0.000 0.000 -25.036
Traceless
 xyz
x -1.225 0.000 0.000
y 0.000 -1.225 0.000
z 0.000 0.000 2.450
Polar
3z2-r24.899
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 3.397 0.000 0.000
y 0.000 3.398 0.000
z 0.000 0.000 3.436


<r2> (average value of r2) Å2
<r2> 92.475
(<r2>)1/2 9.616