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: CCSD/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-337.573464
Energy at 298.15K 
HF Energy-336.812925
Nuclear repulsion energy132.375807
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/aug-cc-pVDZ
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 3197 3080 22.28      
2 A1 1131 1090 97.03      
3 A1 684 659 13.99      
4 E 1391 1340 51.86      
4 E 1391 1340 51.86      
5 E 1170 1127 277.87      
5 E 1170 1127 277.87      
6 E 496 478 2.84      
6 E 496 478 2.84      

Unscaled Zero Point Vibrational Energy (zpe) 5563.1 cm-1
Scaled (by 0.9634) Zero Point Vibrational Energy (zpe) 5359.5 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 CCSD/aug-cc-pVDZ
ABC
0.33828 0.33828 0.18570

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/aug-cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.345
H2 0.000 0.000 1.443
F3 0.000 1.262 -0.130
F4 1.093 -0.631 -0.130
F5 -1.093 -0.631 -0.130

Atom - Atom Distances (Å)
  C1 H2 F3 F4 F5
C11.09781.34851.34851.3485
H21.09782.01662.01662.0166
F31.34852.01662.18592.1859
F41.34852.01662.18592.1859
F51.34852.01662.18592.1859

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 110.625 H2 C1 F4 110.625
H2 C1 F5 110.625 F3 C1 F4 108.293
F3 C1 F5 108.293 F4 C1 F5 108.293
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability