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

using model chemistry: MP3=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 MP3=FULL/6-31G*
 hartrees
Energy at 0K-376.612258
Energy at 298.15K-376.616966
HF Energy-375.818821
Nuclear repulsion energy201.517080
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 MP3=FULL/6-31G*
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 3146 2952 0.33      
2 A1 1503 1410 111.93      
3 A1 1359 1275 130.25      
4 A1 864 811 4.70      
5 A1 613 576 25.49      
6 A2 247 232 0.00      
7 E 3241 3041 3.57      
7 E 3241 3041 3.57      
8 E 1544 1448 0.06      
8 E 1544 1448 0.06      
9 E 1341 1258 244.92      
9 E 1341 1258 244.92      
10 E 1029 966 37.34      
10 E 1029 966 37.34      
11 E 547 514 1.88      
11 E 547 514 1.88      
12 E 371 348 0.61      
12 E 371 348 0.61      

Unscaled Zero Point Vibrational Energy (zpe) 11938.8 cm-1
Scaled (by 0.9383) Zero Point Vibrational Energy (zpe) 11202.2 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 MP3=FULL/6-31G*
ABC
0.18248 0.17310 0.17310

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.499
C2 0.000 0.000 0.011
H3 0.000 -0.972 1.836
H4 0.842 0.486 1.836
H5 -0.842 0.486 1.836
F6 0.000 1.570 -0.540
F7 -1.360 -0.785 -0.540
F8 1.360 -0.785 -0.540

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 F6 F7 F8
C11.48801.02881.02881.02882.57332.57332.5733
C21.48802.06772.06772.06771.66411.66411.6641
H31.02882.06771.68361.68363.47962.74372.7437
H41.02882.06771.68361.68362.74373.47962.7437
H51.02882.06771.68361.68362.74372.74373.4796
F62.57331.66413.47962.74372.74372.71992.7199
F72.57331.66412.74373.47962.74372.71992.7199
F82.57331.66412.74372.74373.47962.71992.7199

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 109.324 C1 C2 F7 109.324
C1 C2 F8 109.324 C2 C1 H3 109.122
C2 C1 H4 109.122 C2 C1 H5 109.122
H3 C1 H4 109.818 H3 C1 H5 109.818
H4 C1 H5 109.818 F6 C2 F7 109.618
F6 C2 F8 109.618 F7 C2 F8 109.618
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability