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

using model chemistry: CCSD/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at CCSD/6-31G(2df,p)
 hartrees
Energy at 0K-337.629460
Energy at 298.15K 
HF Energy-336.789810
Nuclear repulsion energy134.541563
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 CCSD/6-31G(2df,p)
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 3174 3001 41.06      
2 A1 1192 1128 98.52      
3 A1 724 685 14.32      
4 E 1466 1386 77.44      
4 E 1466 1386 77.44      
5 E 1248 1180 215.69      
5 E 1248 1180 215.69      
6 E 521 493 3.15      
6 E 521 493 3.15      

Unscaled Zero Point Vibrational Energy (zpe) 5780.8 cm-1
Scaled (by 0.9455) Zero Point Vibrational Energy (zpe) 5465.7 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 CCSD/6-31G(2df,p)
ABC
0.34941 0.34941 0.19167

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-31G(2df,p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.335
H2 0.000 0.000 1.425
F3 0.000 1.242 -0.127
F4 1.076 -0.621 -0.127
F5 -1.076 -0.621 -0.127

Atom - Atom Distances (Å)
  C1 H2 F3 F4 F5
C11.09041.32541.32541.3254
H21.09041.98841.98841.9884
F31.32541.98842.15162.1516
F41.32541.98842.15162.1516
F51.32541.98842.15162.1516

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 110.409 H2 C1 F4 110.409
H2 C1 F5 110.409 F3 C1 F4 108.517
F3 C1 F5 108.517 F4 C1 F5 108.517
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability