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

using model chemistry: MP2=FULL/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 MP2=FULL/6-31G**
 hartrees
Energy at 0K-376.628351
Energy at 298.15K-376.633059
HF Energy-375.823118
Nuclear repulsion energy201.011886
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 MP2=FULL/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 3170 2962 0.41      
2 A1 1496 1398 95.46      
3 A1 1342 1254 139.40      
4 A1 851 795 5.31      
5 A1 606 566 22.95      
6 A2 261 244 0.00      
7 E 3282 3067 3.36      
7 E 3282 3067 3.36      
8 E 1548 1446 0.06      
8 E 1548 1446 0.06      
9 E 1308 1222 231.16      
9 E 1308 1222 231.16      
10 E 1018 951 48.11      
10 E 1018 951 48.11      
11 E 540 504 1.46      
11 E 540 504 1.46      
12 E 368 344 0.53      
12 E 368 344 0.53      

Unscaled Zero Point Vibrational Energy (zpe) 11926.8 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 11144.4 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 MP2=FULL/6-31G**
ABC
0.18073 0.17259 0.17259

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.469
C2 0.000 0.000 -0.026
H3 0.000 -1.024 1.826
H4 0.887 0.512 1.826
H5 -0.887 0.512 1.826
F6 0.000 1.257 -0.524
F7 -1.089 -0.629 -0.524
F8 1.089 -0.629 -0.524

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 F6 F7 F8
C11.49531.08451.08451.08452.35642.35642.3564
C21.49532.11632.11632.11631.35221.35221.3522
H31.08452.11631.77391.77393.27512.61972.6197
H41.08452.11631.77391.77392.61973.27512.6197
H51.08452.11631.77391.77392.61972.61973.2751
F62.35641.35223.27512.61972.61972.17782.1778
F72.35641.35222.61973.27512.61972.17782.1778
F82.35641.35222.61972.61973.27512.17782.1778

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 111.593 C1 C2 F7 111.593
C1 C2 F8 111.593 C2 C1 H3 109.200
C2 C1 H4 109.200 C2 C1 H5 109.200
H3 C1 H4 109.741 H3 C1 H5 109.741
H4 C1 H5 109.741 F6 C2 F7 107.268
F6 C2 F8 107.268 F7 C2 F8 107.268
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability