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

using model chemistry: MP2=FULL/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=FULL/cc-pVTZ
 hartrees
Energy at 0K-377.122452
Energy at 298.15K-377.127195
HF Energy-375.967621
Nuclear repulsion energy202.582938
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=FULL/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3136 2977 0.24      
2 A1 1459 1385 123.72      
3 A1 1322 1255 118.46      
4 A1 857 813 4.86      
5 A1 617 585 21.39      
6 A2 257 244 0.00      
7 E 3227 3064 1.77      
7 E 3227 3064 1.77      
8 E 1514 1437 0.15      
8 E 1514 1437 0.15      
9 E 1268 1204 245.61      
9 E 1268 1204 245.61      
10 E 995 945 45.48      
10 E 995 945 45.48      
11 E 552 524 0.91      
11 E 552 524 0.91      
12 E 372 353 0.56      
12 E 372 353 0.56      

Unscaled Zero Point Vibrational Energy (zpe) 11749.3 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 11154.8 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=FULL/cc-pVTZ
ABC
0.18403 0.17509 0.17509

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.497
C2 0.000 0.000 0.013
H3 0.000 -0.971 1.832
H4 0.841 0.485 1.832
H5 -0.841 0.485 1.832
F6 0.000 1.569 -0.539
F7 -1.359 -0.785 -0.539
F8 1.359 -0.785 -0.539

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 F6 F7 F8
C11.48391.02661.02661.02662.57102.57102.5710
C21.48392.06112.06112.06111.66381.66381.6638
H31.02662.06111.68111.68113.47462.73922.7392
H41.02662.06111.68111.68112.73923.47462.7392
H51.02662.06111.68111.68112.73922.73923.4746
F62.57101.66383.47462.73922.73922.71812.7181
F72.57101.66382.73923.47462.73922.71812.7181
F82.57101.66382.73922.73923.47462.71812.7181

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 109.401 C1 C2 F7 109.401
C1 C2 F8 109.401 C2 C1 H3 109.015
C2 C1 H4 109.015 C2 C1 H5 109.015
H3 C1 H4 109.924 H3 C1 H5 109.924
H4 C1 H5 109.924 F6 C2 F7 109.541
F6 C2 F8 109.541 F7 C2 F8 109.541
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability