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

using model chemistry: CID/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 CID/6-31G*
 hartrees
Energy at 0K-376.494710
Energy at 298.15K-376.499500
HF Energy-375.819745
Nuclear repulsion energy202.477215
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 CID/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3204 2959 0.60      
2 A1 1547 1429 110.15      
3 A1 1391 1285 140.68      
4 A1 885 818 4.98      
5 A1 627 579 27.11      
6 A2 258 238 0.00      
7 E 3299 3047 4.67      
7 E 3299 3047 4.67      
8 E 1579 1458 0.00      
8 E 1579 1458 0.00      
9 E 1371 1266 260.67      
9 E 1371 1266 260.67      
10 E 1057 976 40.89      
10 E 1057 976 40.89      
11 E 561 518 2.11      
11 E 561 518 2.11      
12 E 379 350 0.58      
12 E 379 350 0.58      

Unscaled Zero Point Vibrational Energy (zpe) 12201.7 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 11270.7 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 CID/6-31G*
ABC
0.18443 0.17460 0.17460

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.466
C2 0.000 0.000 -0.028
H3 0.000 -1.024 1.825
H4 0.887 0.512 1.825
H5 -0.887 0.512 1.825
F6 0.000 1.244 -0.522
F7 -1.078 -0.622 -0.522
F8 1.078 -0.622 -0.522

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 F6 F7 F8
C11.49491.08531.08531.08532.34592.34592.3459
C21.49492.11752.11752.11751.33861.33861.3386
H31.08532.11751.77441.77443.26432.61382.6138
H41.08532.11751.77441.77442.61383.26432.6138
H51.08532.11751.77441.77442.61382.61383.2643
F62.34591.33863.26432.61382.61382.15502.1550
F72.34591.33862.61383.26432.61382.15502.1550
F82.34591.33862.61382.61383.26432.15502.1550

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 111.650 C1 C2 F7 111.650
C1 C2 F8 111.650 C2 C1 H3 109.278
C2 C1 H4 109.278 C2 C1 H5 109.278
H3 C1 H4 109.664 H3 C1 H5 109.664
H4 C1 H5 109.664 F6 C2 F7 107.207
F6 C2 F8 107.207 F7 C2 F8 107.207
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability