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

using model chemistry: QCISD/cc-pCVTZ

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/cc-pCVTZ
 hartrees
Energy at 0K-337.842437
Energy at 298.15K 
HF Energy-336.907967
Nuclear repulsion energy134.189515
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/cc-pCVTZ
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 3181 3181 35.54      
2 A1 1176 1176 103.86      
3 A1 719 719 14.65      
4 E 1442 1442 64.52      
4 E 1442 1442 64.52      
5 E 1220 1220 263.33      
5 E 1220 1220 263.33      
6 E 521 521 3.01      
6 E 521 521 3.01      

Unscaled Zero Point Vibrational Energy (zpe) 5721.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5721.5 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/cc-pCVTZ
ABC
0.34752 0.34752 0.19054

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/cc-pCVTZ

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 1.422
F3 0.000 1.246 -0.127
F4 1.079 -0.623 -0.127
F5 -1.079 -0.623 -0.127

Atom - Atom Distances (Å)
  C1 H2 F3 F4 F5
C11.08561.32931.32931.3293
H21.08561.98791.98791.9879
F31.32931.98792.15802.1580
F41.32931.98792.15802.1580
F51.32931.98792.15802.1580

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 110.403 H2 C1 F4 110.403
H2 C1 F5 110.403 F3 C1 F4 108.523
F3 C1 F5 108.523 F4 C1 F5 108.523
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability