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

using model chemistry: MP2/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-377.052069
Energy at 298.15K-377.056769
HF Energy-375.967208
Nuclear repulsion energy202.013586
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/cc-pVTZ
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 3117 2960 0.27      
2 A1 1450 1376 118.69      
3 A1 1314 1248 122.89      
4 A1 850 808 4.60      
5 A1 612 581 21.32      
6 A2 240 228 0.00      
7 E 3223 3060 2.00      
7 E 3223 3060 2.00      
8 E 1503 1427 0.07      
8 E 1503 1427 0.07      
9 E 1262 1198 244.26      
9 E 1262 1198 244.26      
10 E 991 941 46.20      
10 E 991 941 46.20      
11 E 548 521 0.91      
11 E 548 521 0.91      
12 E 368 349 0.55      
12 E 368 349 0.55      

Unscaled Zero Point Vibrational Energy (zpe) 11685.6 cm-1
Scaled (by 0.9495) Zero Point Vibrational Energy (zpe) 11095.5 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/cc-pVTZ
ABC
0.18335 0.17391 0.17391

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVTZ

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 0.013
H3 0.000 -0.972 1.834
H4 0.841 0.486 1.834
H5 -0.841 0.486 1.834
F6 0.000 1.569 -0.540
F7 -1.359 -0.785 -0.540
F8 1.359 -0.785 -0.540

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 F6 F7 F8
C11.48601.02781.02781.02782.57322.57322.5732
C21.48602.06422.06422.06421.66411.66411.6641
H31.02782.06421.68281.68283.47772.74232.7423
H41.02782.06421.68281.68282.74233.47772.7423
H51.02782.06421.68281.68282.74232.74233.4777
F62.57321.66413.47772.74232.74232.71832.7183
F72.57321.66412.74233.47772.74232.71832.7183
F82.57321.66412.74232.74233.47772.71832.7183

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 109.416 C1 C2 F7 109.416
C1 C2 F8 109.416 C2 C1 H3 109.036
C2 C1 H4 109.036 C2 C1 H5 109.036
H3 C1 H4 109.903 H3 C1 H5 109.903
H4 C1 H5 109.902 F6 C2 F7 109.526
F6 C2 F8 109.526 F7 C2 F8 109.526
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability