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

using model chemistry: QCISD/aug-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 QCISD/aug-cc-pVTZ
 hartrees
Energy at 0K-337.852885
Energy at 298.15K 
HF Energy-336.911799
Nuclear repulsion energy133.945258
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/aug-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 3181 3061 24.09      
2 A1 1167 1123 96.53      
3 A1 711 684 14.18      
4 E 1425 1371 54.24      
4 E 1425 1371 54.24      
5 E 1203 1157 279.01      
5 E 1203 1157 279.01      
6 E 515 496 2.86      
6 E 515 496 2.86      

Unscaled Zero Point Vibrational Energy (zpe) 5671.5 cm-1
Scaled (by 0.9624) Zero Point Vibrational Energy (zpe) 5458.2 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/aug-cc-pVTZ
ABC
0.34632 0.34632 0.19003

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.339
H2 0.000 0.000 1.426
F3 0.000 1.248 -0.128
F4 1.080 -0.624 -0.128
F5 -1.080 -0.624 -0.128

Atom - Atom Distances (Å)
  C1 H2 F3 F4 F5
C11.08651.33231.33231.3323
H21.08651.99281.99281.9928
F31.33231.99282.16092.1609
F41.33231.99282.16092.1609
F51.33231.99282.16092.1609

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 110.543 H2 C1 F4 110.543
H2 C1 F5 110.543 F3 C1 F4 108.379
F3 C1 F5 108.379 F4 C1 F5 108.379
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability