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

using model chemistry: CCD/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 CCD/6-31G*
 hartrees
Energy at 0K-376.602279
Energy at 298.15K-376.606972
HF Energy-375.818354
Nuclear repulsion energy201.128971
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 CCD/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 3121 2954 0.58      
2 A1 1497 1417 107.58      
3 A1 1353 1281 129.97      
4 A1 858 813 4.75      
5 A1 611 578 25.15      
6 A2 246 233 0.00      
7 E 3217 3045 4.30      
7 E 3217 3045 4.30      
8 E 1536 1454 0.03      
8 E 1536 1454 0.03      
9 E 1336 1264 242.85      
9 E 1336 1264 242.85      
10 E 1025 970 38.03      
10 E 1025 970 38.03      
11 E 545 515 1.86      
11 E 545 515 1.86      
12 E 369 349 0.59      
12 E 369 349 0.59      

Unscaled Zero Point Vibrational Energy (zpe) 11870.4 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 11235.3 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 CCD/6-31G*
ABC
0.18175 0.17246 0.17246

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.500
C2 0.000 0.000 0.011
H3 0.000 -0.973 1.837
H4 0.842 0.486 1.837
H5 -0.842 0.486 1.837
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
C11.48891.02931.02931.02932.57432.57432.5743
C21.48892.06902.06902.06901.66421.66421.6642
H31.02932.06901.68441.68443.48092.74502.7450
H41.02932.06901.68441.68442.74503.48092.7450
H51.02932.06901.68441.68442.74502.74503.4809
F62.57431.66423.48092.74502.74502.72002.7200
F72.57431.66422.74503.48092.74502.72002.7200
F82.57431.66422.74502.74503.48092.72002.7200

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 109.332 C1 C2 F7 109.332
C1 C2 F8 109.332 C2 C1 H3 109.128
C2 C1 H4 109.128 C2 C1 H5 109.128
H3 C1 H4 109.812 H3 C1 H5 109.812
H4 C1 H5 109.813 F6 C2 F7 109.611
F6 C2 F8 109.611 F7 C2 F8 109.610
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability