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

using model chemistry: G4

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at G4
 hartrees
Energy at 0K-377.445950
Energy at 298.15K-377.450873
HF Energy-377.577786
Nuclear repulsion energy201.522273
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 B3LYP/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 3071 2963 1.01      
2 A1 1428 1378 68.20      
3 A1 1285 1240 154.64      
4 A1 837 808 2.24      
5 A1 599 578 18.98      
6 A2 226 218 0.00      
7 E 3158 3048 5.58      
7 E 3158 3048 5.59      
8 E 1484 1432 0.01      
8 E 1484 1432 0.01      
9 E 1251 1208 212.87      
9 E 1251 1207 212.88      
10 E 981 947 43.83      
10 E 981 947 43.85      
11 E 540 522 0.70      
11 E 540 522 0.70      
12 E 359 346 0.50      
12 E 359 346 0.50      

Unscaled Zero Point Vibrational Energy (zpe) 11496.4 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 11094.0 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 B3LYP/6-31G(2df,p)
ABC
0.18303 0.17270 0.17270

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.477
C2 0.000 0.000 -0.032
H3 0.000 -1.029 1.840
H4 0.891 0.515 1.840
H5 -0.891 0.515 1.840
F6 0.000 1.249 -0.525
F7 -1.082 -0.624 -0.525
F8 1.082 -0.624 -0.525

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 F6 F7 F8
C11.50871.09131.09131.09132.35982.35982.3598
C21.50872.13612.13612.13611.34291.34291.3429
H31.09132.13611.78251.78253.28402.63222.6322
H41.09132.13611.78251.78252.63223.28402.6322
H51.09132.13611.78251.78252.63222.63223.2840
F62.35981.34293.28402.63222.63222.16322.1632
F72.35981.34292.63223.28402.63222.16322.1632
F82.35981.34292.63222.63223.28402.16322.1632

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 111.260 C1 C2 F7 111.260
C1 C2 F8 111.260 C2 C1 H3 109.550
C2 C1 H4 109.550 C2 C1 H5 109.550
H3 C1 H4 109.393 H3 C1 H5 109.393
H4 C1 H5 109.393 F6 C2 F7 107.625
F6 C2 F8 107.625 F7 C2 F8 107.625
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.492      
2 C 0.285      
3 H 0.152      
4 H 0.152      
5 H 0.152      
6 F -0.083      
7 F -0.083      
8 F -0.083      


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 1.985 1.985
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


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> 92.702
(<r2>)1/2 9.628