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

using model chemistry: CID/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at CID/3-21G
 hartrees
Energy at 0K-335.356850
Energy at 298.15K 
HF Energy-334.950719
Nuclear repulsion energy131.197025
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 CID/3-21G
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 3271 3048 55.38      
2 A1 1165 1085 121.41      
3 A1 684 637 25.83      
4 E 1521 1417 102.21      
4 E 1521 1417 102.21      
5 E 1267 1180 168.52      
5 E 1267 1180 168.52      
6 E 499 465 8.67      
6 E 499 465 8.67      

Unscaled Zero Point Vibrational Energy (zpe) 5846.4 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 5446.5 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 CID/3-21G
ABC
0.33199 0.33199 0.18178

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/3-21G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.347
H2 0.000 0.000 1.427
F3 0.000 1.276 -0.130
F4 1.105 -0.638 -0.130
F5 -1.105 -0.638 -0.130

Atom - Atom Distances (Å)
  C1 H2 F3 F4 F5
C11.08011.36171.36171.3617
H21.08012.01262.01262.0126
F31.36172.01262.20932.2093
F41.36172.01262.20932.2094
F51.36172.01262.20932.2094

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 110.489 H2 C1 F4 110.489
H2 C1 F5 110.489 F3 C1 F4 108.435
F3 C1 F5 108.435 F4 C1 F5 108.435
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability