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All results from a given calculation for CF3OH (trifluoromethanol)

using model chemistry: QCISD(T)/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD(T)/6-31G*
 hartrees
Energy at 0K-412.488498
Energy at 298.15K-412.491568
HF Energy-411.643471
Nuclear repulsion energy204.466433
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(T)/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3743 3591        
2 A' 1477 1417        
3 A' 1352 1297        
4 A' 1163 1116        
5 A' 903 866        
6 A' 630 604        
7 A' 597 572        
8 A' 437 419        
9 A" 1260 1209        
10 A" 620 594        
11 A" 453 435        
12 A" 249 239        

Unscaled Zero Point Vibrational Energy (zpe) 6442.0 cm-1
Scaled (by 0.9593) Zero Point Vibrational Energy (zpe) 6179.8 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 QCISD(T)/6-31G*
ABC
0.18837 0.18519 0.18454

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.004 0.022 0.000
O2 -1.047 0.876 0.000
F3 1.127 0.740 0.000
F4 0.004 -0.786 1.083
F5 0.004 -0.786 -1.083
H6 -1.867 0.348 0.000

Atom - Atom Distances (Å)
  C1 O2 F3 F4 F5 H6
C11.35391.33251.35191.35191.8988
O21.35392.17762.24532.24530.9754
F31.33252.17762.18282.18283.0189
F41.35192.24532.18282.16652.4411
F51.35192.24532.18282.16652.4411
H61.89880.97543.01892.44112.4411

picture of trifluoromethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H6 108.108 O2 C1 F3 108.307
O2 C1 F4 112.159 O2 C1 F5 112.159
F3 C1 F4 108.808 F3 C1 F5 108.808
F4 C1 F5 106.510
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability