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

using model chemistry: HF/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at HF/6-31G(2df,p)
 hartrees
Energy at 0K-375.844247
Energy at 298.15K-375.849131
Nuclear repulsion energy204.781724
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 HF/6-31G(2df,p)
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 3207 2904 2.24      
2 A1 1573 1425 99.86      
3 A1 1411 1278 158.47      
4 A1 912 826 2.30      
5 A1 650 589 26.99      
6 A2 242 219 0.00      
7 E 3294 2983 11.02      
7 E 3294 2983 11.02      
8 E 1601 1449 0.25      
8 E 1601 1449 0.25      
9 E 1399 1267 262.94      
9 E 1399 1267 262.94      
10 E 1082 980 37.50      
10 E 1082 980 37.50      
11 E 592 536 2.13      
11 E 592 536 2.13      
12 E 390 353 0.43      
12 E 390 353 0.43      

Unscaled Zero Point Vibrational Energy (zpe) 12355.1 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 11187.5 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 HF/6-31G(2df,p)
ABC
0.19053 0.17744 0.17744

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G(2df,p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.467
C2 0.000 0.000 -0.036
H3 0.000 -1.021 1.825
H4 0.884 0.511 1.825
H5 -0.884 0.511 1.825
F6 0.000 1.224 -0.521
F7 -1.060 -0.612 -0.521
F8 1.060 -0.612 -0.521

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 F6 F7 F8
C11.50271.08221.08221.08222.33382.33382.3338
C21.50272.12262.12262.12261.31601.31601.3160
H31.08222.12261.76891.76893.24652.60602.6060
H41.08222.12261.76891.76892.60603.24652.6060
H51.08222.12261.76891.76892.60602.60603.2465
F62.33381.31603.24652.60602.60602.11922.1192
F72.33381.31602.60603.24652.60602.11922.1192
F82.33381.31602.60602.60603.24652.11922.1192

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 111.607 C1 C2 F7 111.607
C1 C2 F8 111.607 C2 C1 H3 109.321
C2 C1 H4 109.321 C2 C1 H5 109.321
H3 C1 H4 109.621 H3 C1 H5 109.621
H4 C1 H5 109.621 F6 C2 F7 107.254
F6 C2 F8 107.254 F7 C2 F8 107.254
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.527      
2 C 0.645      
3 H 0.173      
4 H 0.173      
5 H 0.173      
6 F -0.212      
7 F -0.212      
8 F -0.212      


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 2.143 2.143
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.778 0.000 0.000
y 0.000 -27.778 0.000
z 0.000 0.000 -25.141
Traceless
 xyz
x -1.318 0.000 0.000
y 0.000 -1.318 0.000
z 0.000 0.000 2.637
Polar
3z2-r25.274
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 3.448 0.000 0.000
y 0.000 3.448 0.000
z 0.000 0.000 3.540


<r2> (average value of r2) Å2
<r2> 90.572
(<r2>)1/2 9.517