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

using model chemistry: QCISD/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 QCISD/6-31G
 hartrees
Energy at 0K-337.122501
Energy at 298.15K 
HF Energy-336.653946
Nuclear repulsion energy128.218945
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 QCISD/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 3201 3084 28.51      
2 A1 1067 1028 106.57      
3 A1 634 611 23.10      
4 E 1404 1353 67.17      
4 E 1404 1353 67.17      
5 E 1145 1103 199.83      
5 E 1145 1103 199.83      
6 E 453 437 7.86      
6 E 453 437 7.86      

Unscaled Zero Point Vibrational Energy (zpe) 5453.2 cm-1
Scaled (by 0.9636) Zero Point Vibrational Energy (zpe) 5254.7 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 QCISD/6-31G
ABC
0.31701 0.31701 0.17354

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.357
H2 0.000 0.000 1.448
F3 0.000 1.306 -0.133
F4 1.131 -0.653 -0.133
F5 -1.131 -0.653 -0.133

Atom - Atom Distances (Å)
  C1 H2 F3 F4 F5
C11.09041.39461.39461.3946
H21.09042.05022.05022.0502
F31.39462.05022.26122.2612
F41.39462.05022.26122.2612
F51.39462.05022.26122.2612

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 110.588 H2 C1 F4 110.588
H2 C1 F5 110.588 F3 C1 F4 108.332
F3 C1 F5 108.332 F4 C1 F5 108.332
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability