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

using model chemistry: QCISD/TZVP

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/TZVP
 hartrees
Energy at 0K-337.670421
Energy at 298.15K 
HF Energy-336.908205
Nuclear repulsion energy133.664531
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/TZVP
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 3195 3052 36.67      
2 A1 1169 1116 114.84      
3 A1 717 685 16.10      
4 E 1455 1390 71.60      
4 E 1455 1390 71.60      
5 E 1204 1150 294.95      
5 E 1204 1150 294.95      
6 E 522 499 3.48      
6 E 522 499 3.48      

Unscaled Zero Point Vibrational Energy (zpe) 5721.6 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 5465.9 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/TZVP
ABC
0.34481 0.34481 0.18906

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/TZVP

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 1.426
F3 0.000 1.251 -0.128
F4 1.083 -0.625 -0.128
F5 -1.083 -0.625 -0.128

Atom - Atom Distances (Å)
  C1 H2 F3 F4 F5
C11.08751.33481.33481.3348
H21.08751.99451.99451.9945
F31.33481.99452.16642.1664
F41.33481.99452.16642.1664
F51.33481.99452.16642.1664

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 110.433 H2 C1 F4 110.433
H2 C1 F5 110.433 F3 C1 F4 108.492
F3 C1 F5 108.492 F4 C1 F5 108.492
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability