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All results from a given calculation for CHF3 (Methane, trifluoro-)

using model chemistry: CISD/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 CISD/6-31G
 hartrees
Energy at 0K-337.072571
Energy at 298.15K 
HF Energy-336.656258
Nuclear repulsion energy129.369938
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 CISD/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 3298 3092 26.54      
2 A1 1110 1041 119.75      
3 A1 658 617 26.48      
4 E 1448 1358 74.32      
4 E 1448 1358 74.32      
5 E 1190 1116 216.87      
5 E 1190 1116 216.87      
6 E 470 441 8.73      
6 E 470 441 8.73      

Unscaled Zero Point Vibrational Energy (zpe) 5641.2 cm-1
Scaled (by 0.9378) Zero Point Vibrational Energy (zpe) 5290.3 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 CISD/6-31G
ABC
0.32275 0.32275 0.17670

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.354
H2 0.000 0.000 1.437
F3 0.000 1.294 -0.132
F4 1.120 -0.647 -0.132
F5 -1.120 -0.647 -0.132

Atom - Atom Distances (Å)
  C1 H2 F3 F4 F5
C11.08261.38211.38211.3821
H21.08262.03342.03342.0334
F31.38212.03342.24092.2409
F41.38212.03342.24092.2409
F51.38212.03342.24092.2409

picture of Methane, trifluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 110.593 H2 C1 F4 110.593
H2 C1 F5 110.593 F3 C1 F4 108.326
F3 C1 F5 108.326 F4 C1 F5 108.326
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability