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

using model chemistry: HF/CEP-121G*

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/CEP-121G*
 hartrees
Energy at 0K-84.355657
Energy at 298.15K-84.360499
Nuclear repulsion energy115.777286
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/CEP-121G*
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 3230 2918 3.74      
2 A1 1587 1434 93.82      
3 A1 1409 1273 177.66      
4 A1 898 811 4.58      
5 A1 640 578 31.63      
6 A2 237 214 0.00      
7 E 3323 3002 17.45      
7 E 3323 3002 17.45      
8 E 1615 1459 0.01      
8 E 1615 1459 0.01      
9 E 1383 1249 302.93      
9 E 1383 1249 302.93      
10 E 1083 978 58.75      
10 E 1083 978 58.75      
11 E 582 525 2.59      
11 E 582 525 2.59      
12 E 387 349 0.37      
12 E 387 349 0.37      

Unscaled Zero Point Vibrational Energy (zpe) 12371.9 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 11176.7 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/CEP-121G*
ABC
0.18676 0.17406 0.17406

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G*

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 -0.040
H3 0.000 -1.023 1.829
H4 0.886 0.511 1.829
H5 -0.886 0.511 1.829
F6 0.000 1.236 -0.534
F7 -1.071 -0.618 -0.534
F8 1.071 -0.618 -0.534

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 F6 F7 F8
C11.51261.08291.08291.08292.35722.35722.3572
C21.51262.13002.13002.13001.33141.33141.3314
H31.08292.13001.77141.77143.26902.62552.6255
H41.08292.13001.77141.77142.62553.26902.6255
H51.08292.13001.77141.77142.62552.62553.2690
F62.35721.33143.26902.62552.62552.14122.1412
F72.35721.33142.62553.26902.62552.14122.1412
F82.35721.33142.62552.62553.26902.14122.1412

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 111.801 C1 C2 F7 111.801
C1 C2 F8 111.801 C2 C1 H3 109.187
C2 C1 H4 109.187 C2 C1 H5 109.187
H3 C1 H4 109.754 H3 C1 H5 109.754
H4 C1 H5 109.754 F6 C2 F7 107.045
F6 C2 F8 107.045 F7 C2 F8 107.045
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.598      
2 C 0.844      
3 H 0.192      
4 H 0.192      
5 H 0.192      
6 F -0.274      
7 F -0.274      
8 F -0.274      


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 2.492 2.492
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.565 0.000 0.000
y 0.000 -28.565 0.000
z 0.000 0.000 -25.451
Traceless
 xyz
x -1.557 0.000 0.000
y 0.000 -1.557 0.000
z 0.000 0.000 3.114
Polar
3z2-r26.228
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 3.426


<r2> (average value of r2) Å2
<r2> 77.132
(<r2>)1/2 8.782