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/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-337.823849
Energy at 298.15K 
HF Energy-336.907071
Nuclear repulsion energy134.238072
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/cc-pVTZ
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 3185 2998 35.02      
2 A1 1181 1111 105.46      
3 A1 722 679 15.09      
4 E 1445 1360 67.72      
4 E 1445 1360 67.72      
5 E 1227 1155 263.55      
5 E 1227 1155 263.55      
6 E 523 492 3.11      
6 E 523 492 3.11      

Unscaled Zero Point Vibrational Energy (zpe) 5738.6 cm-1
Scaled (by 0.9412) Zero Point Vibrational Energy (zpe) 5401.1 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/cc-pVTZ
ABC
0.34777 0.34777 0.19065

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

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 1.421
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
C11.08541.32871.32871.3287
H21.08541.98701.98701.9870
F31.32871.98702.15742.1574
F41.32871.98702.15742.1574
F51.32871.98702.15742.1574

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 110.382 H2 C1 F4 110.382
H2 C1 F5 110.382 F3 C1 F4 108.545
F3 C1 F5 108.545 F4 C1 F5 108.545
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability