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

using model chemistry: MP2/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-376.821474
Energy at 298.15K-376.826189
HF Energy-375.922513
Nuclear repulsion energy201.595042
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 MP2/6-311G**
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 3118 2963 0.52      
2 A1 1464 1391 121.72      
3 A1 1322 1256 145.42      
4 A1 849 807 5.76      
5 A1 613 582 24.15      
6 A2 246 234 0.00      
7 E 3224 3063 3.55      
7 E 3224 3063 3.55      
8 E 1506 1431 0.12      
8 E 1506 1431 0.12      
9 E 1277 1214 253.91      
9 E 1277 1214 253.91      
10 E 996 947 53.03      
10 E 996 947 53.03      
11 E 549 522 1.36      
11 E 549 522 1.36      
12 E 371 353 0.45      
12 E 371 353 0.45      

Unscaled Zero Point Vibrational Energy (zpe) 11728.6 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 11144.5 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 MP2/6-311G**
ABC
0.18244 0.17329 0.17329

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.470
C2 0.000 0.000 -0.029
H3 0.000 -1.029 1.828
H4 0.891 0.515 1.828
H5 -0.891 0.515 1.828
F6 0.000 1.251 -0.523
F7 -1.083 -0.626 -0.523
F8 1.083 -0.626 -0.523

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 F6 F7 F8
C11.49951.08971.08971.08972.35362.35362.3536
C21.49952.12352.12352.12351.34501.34501.3450
H31.08972.12351.78271.78273.27552.62032.6203
H41.08972.12351.78271.78272.62033.27552.6203
H51.08972.12351.78271.78272.62032.62033.2755
F62.35361.34503.27552.62032.62032.16682.1668
F72.35361.34502.62033.27552.62032.16682.1668
F82.35361.34502.62032.62033.27552.16682.1668

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 111.549 C1 C2 F7 111.549
C1 C2 F8 111.549 C2 C1 H3 109.173
C2 C1 H4 109.173 C2 C1 H5 109.173
H3 C1 H4 109.768 H3 C1 H5 109.768
H4 C1 H5 109.768 F6 C2 F7 107.316
F6 C2 F8 107.316 F7 C2 F8 107.316
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability