return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: QCISD(T)=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 QCISD(T)=FULL/cc-pVTZ
 hartrees
Energy at 0K-337.907427
Energy at 298.15K 
HF Energy-336.906784
Nuclear repulsion energy134.001286
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(T)=FULL/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 3179 3042 0.00      
2 A1 1165 1115 0.00      
3 A1 713 682 0.00      
4 E 1434 1372 0.00      
4 E 1434 1372 0.00      
5 E 1207 1155 0.00      
5 E 1207 1155 0.00      
6 E 517 495 0.00      
6 E 517 495 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 5685.7 cm-1
Scaled (by 0.9569) Zero Point Vibrational Energy (zpe) 5440.7 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(T)=FULL/cc-pVTZ
ABC
0.34653 0.34653 0.18990

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.336
H2 0.000 0.000 1.418
F3 0.000 1.248 -0.127
F4 1.081 -0.624 -0.127
F5 -1.081 -0.624 -0.127

Atom - Atom Distances (Å)
  C1 H2 F3 F4 F5
C11.08221.33131.33131.3313
H21.08221.98661.98661.9866
F31.33131.98662.16162.1616
F41.33131.98662.16162.1616
F51.33131.98662.16162.1616

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 110.370 H2 C1 F4 110.370
H2 C1 F5 110.370 F3 C1 F4 108.558
F3 C1 F5 108.558 F4 C1 F5 108.558
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability