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

using model chemistry: CISD/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 CISD/Def2TZVPP
 hartrees
Energy at 0K-337.730970
Energy at 298.15K 
HF Energy-336.927291
Nuclear repulsion energy135.318648
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 CISD/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 3292 3292 33.75      
2 A1 1223 1223 115.92      
3 A1 747 747 16.91      
4 E 1497 1497 71.28      
4 E 1497 1497 71.28      
5 E 1270 1270 289.16      
5 E 1270 1270 289.16      
6 E 541 541 3.53      
6 E 541 541 3.53      

Unscaled Zero Point Vibrational Energy (zpe) 5938.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5938.0 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 CISD/Def2TZVPP
ABC
0.35342 0.35342 0.19381

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.334
H2 0.000 0.000 1.411
F3 0.000 1.235 -0.126
F4 1.070 -0.618 -0.126
F5 -1.070 -0.618 -0.126

Atom - Atom Distances (Å)
  C1 H2 F3 F4 F5
C11.07711.31831.31831.3183
H21.07711.97211.97221.9722
F31.31831.97212.13972.1397
F41.31831.97222.13972.1397
F51.31831.97222.13972.1397

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 110.432 H2 C1 F4 110.432
H2 C1 F5 110.432 F3 C1 F4 108.494
F3 C1 F5 108.494 F4 C1 F5 108.494
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability