return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: MP3=FULL/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-376.666026
Energy at 298.15K-376.670735
HF Energy-375.837498
Nuclear repulsion energy201.153777
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/6-31+G**
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 3167 2950 0.83      
2 A1 1498 1396 87.63      
3 A1 1344 1252 141.34      
4 A1 852 794 6.32      
5 A1 607 566 26.31      
6 A2 250 233 0.00      
7 E 3271 3047 3.23      
7 E 3271 3047 3.23      
8 E 1541 1435 0.34      
8 E 1541 1435 0.34      
9 E 1296 1207 254.58      
9 E 1296 1207 254.59      
10 E 1019 950 57.19      
10 E 1019 950 57.19      
11 E 542 505 1.79      
11 E 542 505 1.79      
12 E 371 346 0.61      
12 E 371 346 0.61      

Unscaled Zero Point Vibrational Energy (zpe) 11898.9 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 11085.1 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/6-31+G**
ABC
0.18179 0.17243 0.17243

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.502
C2 0.000 0.000 0.014
H3 0.000 -0.972 1.838
H4 0.841 0.486 1.838
H5 -0.841 0.486 1.838
F6 0.000 1.569 -0.541
F7 -1.359 -0.784 -0.541
F8 1.359 -0.784 -0.541

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 F6 F7 F8
C11.48821.02791.02791.02792.57612.57612.5761
C21.48822.06652.06652.06651.66411.66411.6641
H31.02792.06651.68281.68283.48042.74602.7460
H41.02792.06651.68281.68282.74603.48042.7460
H51.02792.06651.68281.68282.74602.74603.4804
F62.57611.66413.48042.74602.74602.71722.7172
F72.57611.66412.74603.48042.74602.71722.7172
F82.57611.66412.74602.74603.48042.71722.7172

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 109.490 C1 C2 F7 109.490
C1 C2 F8 109.490 C2 C1 H3 109.060
C2 C1 H4 109.060 C2 C1 H5 109.060
H3 C1 H4 109.880 H3 C1 H5 109.880
H4 C1 H5 109.880 F6 C2 F7 109.453
F6 C2 F8 109.453 F7 C2 F8 109.453
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability