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

using model chemistry: HF/6-311G*

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/6-311G*
 hartrees
Energy at 0K-375.919567
Energy at 298.15K-375.924466
Nuclear repulsion energy204.345636
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/6-311G*
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 3225 2917 2.78      
2 A1 1590 1438 111.39      
3 A1 1418 1283 189.45      
4 A1 908 821 4.94      
5 A1 650 588 32.55      
6 A2 249 225 0.00      
7 E 3306 2990 15.59      
7 E 3306 2990 15.59      
8 E 1617 1463 0.01      
8 E 1617 1463 0.01      
9 E 1392 1259 303.88      
9 E 1392 1259 303.88      
10 E 1086 982 59.41      
10 E 1086 982 59.41      
11 E 591 535 2.73      
11 E 591 535 2.73      
12 E 394 357 0.41      
12 E 394 357 0.41      

Unscaled Zero Point Vibrational Energy (zpe) 12406.8 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 11220.7 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/6-311G*
ABC
0.18925 0.17699 0.17699

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.465
C2 0.000 0.000 -0.033
H3 0.000 -1.019 1.825
H4 0.883 0.510 1.825
H5 -0.883 0.510 1.825
F6 0.000 1.228 -0.521
F7 -1.063 -0.614 -0.521
F8 1.063 -0.614 -0.521

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 F6 F7 F8
C11.49751.08111.08111.08112.33462.33462.3346
C21.49752.11892.11892.11891.32141.32141.3214
H31.08112.11891.76561.76563.24842.60722.6072
H41.08112.11891.76561.76562.60723.24842.6072
H51.08112.11891.76561.76562.60722.60723.2484
F62.33461.32143.24842.60722.60722.12682.1268
F72.33461.32142.60723.24842.60722.12682.1268
F82.33461.32142.60722.60723.24842.12682.1268

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 111.678 C1 C2 F7 111.678
C1 C2 F8 111.678 C2 C1 H3 109.455
C2 C1 H4 109.455 C2 C1 H5 109.455
H3 C1 H4 109.488 H3 C1 H5 109.488
H4 C1 H5 109.488 F6 C2 F7 107.177
F6 C2 F8 107.177 F7 C2 F8 107.177
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.732 -0.541   -0.627
2 C 0.862 0.946   0.933
3 H 0.242 0.160   0.184
4 H 0.242 0.159   0.184
5 H 0.242 0.159   0.184
6 F -0.285 -0.294   -0.286
7 F -0.285 -0.295   -0.286
8 F -0.285 -0.295   -0.286


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 2.404 2.404
CHELPG        
AIM        
ESP 0.001 0.002 2.426 2.426


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.468 0.000 0.000
y 0.000 -28.468 0.000
z 0.000 0.000 -25.490
Traceless
 xyz
x -1.489 0.000 0.000
y 0.000 -1.489 0.000
z 0.000 0.000 2.979
Polar
3z2-r25.957
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 3.170 0.000 0.000
y 0.000 3.170 0.000
z 0.000 0.000 3.118


<r2> (average value of r2) Å2
<r2> 91.181
(<r2>)1/2 9.549