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

using model chemistry: MP4/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 MP4/cc-pVTZ
 hartrees
Energy at 0K-337.858567
Energy at 298.15K-337.861091
Nuclear repulsion energy133.449904
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 MP4/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 3162 3065        
2 A1 1148 1112        
3 A1 702 681        
4 E 1414 1370        
4 E 1413 1370        
5 E 1186 1149        
5 E 1185 1149        
6 E 510 494        
6 E 509 494        

Unscaled Zero Point Vibrational Energy (zpe) 5614.7 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 5441.8 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 MP4/cc-pVTZ
ABC
0.34370 0.34370 0.18837

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.338
H2 0.000 0.000 1.425
F3 0.000 1.253 -0.128
F4 1.085 -0.627 -0.128
F5 -1.085 -0.627 -0.128

Atom - Atom Distances (Å)
  C1 H2 F3 F4 F5
C11.08731.33681.33681.3368
H21.08731.99551.99551.9955
F31.33681.99552.17042.1704
F41.33681.99552.17042.1704
F51.33681.99552.17042.1704

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 110.389 H2 C1 F4 110.389
H2 C1 F5 110.389 F3 C1 F4 108.538
F3 C1 F5 108.538 F4 C1 F5 108.538
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability