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

using model chemistry: QCISD/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-337.841827
Energy at 298.15K 
HF Energy-336.926118
Nuclear repulsion energy134.092891
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/Def2TZVPP
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 3191 3191 32.41      
2 A1 1174 1174 103.12      
3 A1 717 717 14.54      
4 E 1442 1442 62.08      
4 E 1442 1442 62.08      
5 E 1216 1216 275.66      
5 E 1216 1216 275.66      
6 E 520 520 2.96      
6 E 520 520 2.96      

Unscaled Zero Point Vibrational Energy (zpe) 5719.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5719.2 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/Def2TZVPP
ABC
0.34704 0.34704 0.19031

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/Def2TZVPP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.337
H2 0.000 0.000 1.422
F3 0.000 1.247 -0.128
F4 1.080 -0.623 -0.128
F5 -1.080 -0.623 -0.128

Atom - Atom Distances (Å)
  C1 H2 F3 F4 F5
C11.08471.33051.33051.3305
H21.08471.98891.98891.9889
F31.33051.98892.15932.1593
F41.33051.98892.15932.1593
F51.33051.98892.15932.1593

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 110.454 H2 C1 F4 110.454
H2 C1 F5 110.454 F3 C1 F4 108.470
F3 C1 F5 108.470 F4 C1 F5 108.470
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability